MRS. ELIZABETH REICHERT WILLIAMS MD
NPI 1790802429
Urology in Saint Louis, MO

NPI Status: Active since March 26, 2007

Contact Information

12855 N 40 DR STE 350
SAINT LOUIS, MO
ZIP 63141
Phone: (314) 567-6071
Fax: (314) 567-3321

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  • Individual
  • Female
  • Years of Experience 22
  • Urology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About ELIZABETH WILLIAMS

This page provides the complete NPI Profile along with additional information for Elizabeth Williams, a provider established in Saint Louis, Missouri with a medical specialization in Urology and more than 22 years of experience. She graduated from Saint Louis University School Of Medicine in 2004. The healthcare provider is registered in the NPI registry with number 1790802429 assigned on March 2007. The practitioner's primary taxonomy code is 208800000X with license number 2009030113 (MO). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1790802429
Provider Name
MRS. ELIZABETH REICHERT WILLIAMS MD
Other Name
ELIZABETH REICHERT
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
12855 N 40 DR STE 350 SAINT LOUIS, MO 63141
Location Phone
(314) 567-6071
Location Fax
(314) 567-3321
Mailing Address
12855 N. FORTY DR. STE 375 ST. LOUIS, MO 63141
Mailing Phone
(314) 567-6071
Mailing Fax
(314) 567-3321
Medical School Name
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2004
Is Sole Proprietor?
No
Enumeration Date
03-26-2007
Last Update Date
01-15-2026
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
2009030113
License State
MO
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208800000XAllopathic & Osteopathic Physicians

Urology

036.124392 (IL)
22088F0040XAllopathic & Osteopathic Physicians

Urology
Urogynecology and Reconstructive Pelvic Surgery

2009030113 (MO)
32088F0040XAllopathic & Osteopathic Physicians

Urology
Urogynecology and Reconstructive Pelvic Surgery

036124392 (IL)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Catastrophic Pathway (+ Incentives) - EPO
  • Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Bronze Essential (No Referrals) - EPO
  • UHC Bronze Standard (No Referrals) - EPO
  • UHC Bronze Standard+ (Dental + Vision, No Referrals) - EPO
  • UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) - EPO
  • UHC Gold Standard (No Referrals) - EPO
  • UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Silver Standard (No Referrals) - EPO
  • UHC Silver Standard+ (Dental + Vision, No Referrals) - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Elizabeth Williams is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Elizabeth Williams is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8325199888

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20100806000837, I20101014001466

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Medical/Surgical Supplies (DA000N)

    Lubricant, individual sterile packet, each (HCPCS:A4332)

    4 DME suppliers used 25 Medicare Claims 5750 Services Paid

Orthotic Devices

  • DME-Orthotic Devices (DF008N)

    Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each (HCPCS:A4351)

    5 DME suppliers used 55 Medicare Claims 13490 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Automated urinalysis test

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

This service was performed 972 times for 705 patients

Blood creatinine level

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

This service was performed 20 times for 20 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

This service was performed 39 times for 30 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

This service was performed 91 times for 51 patients

Complete ultrasound scan behind abdominal cavity

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

This service was performed 97 times for 94 patients

Complex measurement of pressure of urine flow in bladder with voiding pressure studies

This procedure measures the pressure in your bladder as it fills and empties. It helps to understand how well your bladder is functioning. Sensors record pressure levels during these processes, providing valuable data for your doctor.

This service was performed 224 times for 170 patients

Creation of sling around urethra in female to control leakage

This procedure involves creating a supportive loop around a tube in your lower body that carries liquid waste. This helps manage any unwanted leakage, providing you with better control and comfort.

This service was performed 17 times for 17 patients

Ct scan of abdomen and pelvis before and after contrast

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

This service was performed 32 times for 32 patients

Ct scan of abdomen and pelvis without contrast

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

This service was performed 16 times for 15 patients

Diagnostic exam of bladder and urethra using an endoscope

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

This service was performed 278 times for 270 patients

Electronic assessment of bladder emptying

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

This service was performed 209 times for 157 patients

Established patient office or other outpatient visit, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 126 times for 118 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 298 times for 270 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 269 times for 237 patients

Exam with injections of chemical for destruction of bladder using an endoscope

This procedure involves the use of a thin, flexible tube with a light (endoscope) for internal examination. A chemical is then injected to help eliminate specific issues in the bladder. It's a standard and safe process.

This service was performed 109 times for 60 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 27 times for 17 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 16 times for 16 patients

Injection, onabotulinumtoxina, 1 unit

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

This service was performed 14,450 times for 60 patients

Insertion of device into abdomen with pressure and urine flow rate study

This procedure involves placing a small device into your abdomen to monitor pressure and urine flow rates. It helps in understanding how well your body is processing and eliminating liquid waste. It's a safe procedure, typically performed under local anesthesia.

This service was performed 223 times for 169 patients

Insertion of peripheral or gastric neurostimulator generator

The insertion of a peripheral or gastric neurostimulator generator is a procedure that helps manage chronic pain or gastric conditions. A small device is surgically placed under the skin, which sends mild electrical signals to the nerves involved.

This service was performed 22 times for 22 patients

Insertion of sacral nerve neurostimulator electrode array

The insertion of a sacral nerve neurostimulator electrode array is a procedure where a small device is placed under your skin. This device sends mild electrical pulses to your sacral nerves, which can help manage certain body functions and alleviate symptoms.

This service was performed 30 times for 19 patients

Insertion of temporary bladder tube

This procedure involves placing a small tube into your lower abdomen to help drain urine from your bladder. It's a temporary measure, often used when normal urination is not possible. The tube remains in place until you can urinate on your own again.

This service was performed 161 times for 159 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

This service was performed 4,355 times for 44 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 48 times for 48 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 202 times for 202 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

This service was performed 214 times for 163 patients

Ultrasound measurement of bladder capacity after voiding

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

This service was performed 136 times for 135 patients

X-ray of abdomen, 1 view

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

This service was performed 46 times for 36 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $32.07 for a new patient copayment and $17.37 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 63141 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $128.28
  • Minimum New Patient Price $55.65
  • Maximum New Patient Price $169.38
  • Average New Patient Copayment $32.07
  • Minimum New Patient Copayment $13.91
  • Maximum New Patient Copayment $42.34

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $69.5
  • Minimum Established Patient Price $17.76
  • Maximum Established Patient Price $137.92
  • Average Established Patient Copayment $17.37
  • Minimum Established Patient Copayment $4.44
  • Maximum Established Patient Copayment $34.48

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Breast Cancer Screening 63% 1084
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
Colorectal Cancer Screening 66% 1175
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
Documentation of Current Medications in the Medical Record 97% 2495
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter. This list must include ALL known prescriptions, over-the-counters, herbals, and vitamin/mineral/dietary (nutritional) supplements AND must contain the medications' name, dosage, frequency and route of administration
e-Prescribing 92% 795
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
Health Information Exchange 17% 23
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for at least one transition of care or referral.
Implementation of improvements that contribute to more timely communication of test resultsYesN/A
Timely communication of test results defined as timely identification of abnormal test results with timely follow-up.
Medication Reconciliation 92% 223
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
Patient-Specific Education 100% 717
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
Pneumococcal Vaccination Status for Older Adults 77% 1155
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
Preventive Care and Screening: Influenza Immunization 19% 844
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
Provide 24/7 Access to MIPS Eligible Clinicians or Groups Who Have Real-Time Access to Patient's Medical RecordYesN/A
• Provide 24/7 access to MIPS eligible clinicians, groups, or care teams for advice about urgent and emergent care (e.g., MIPS eligible clinician and care team access to medical record, cross-coverage with access to medical record, or protocol-driven nurse line with access to medical record) that could include one or more of the following: • Expanded hours in evenings and weekends with access to the patient medical record (e.g., coordinate with small practices to provide alternate hour office visits and urgent care); • Use of alternatives to increase access to care team by MIPS eligible clinicians and groups, such as e-visits, phone visits, group visits, home visits and alternate locations (e.g., senior centers and assisted living centers); and/or Provision of same-day or next-day access to a consistent MIPS eligible clinician, group or care team when needed for urgent care or transition management.
Provide Patient Access 100% 717
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold certain information.
Regularly assess the patient experience of care through surveys, advisory councils and/or other mechanisms.YesN/A
Regularly assess the patient experience of care through surveys, advisory councils and/or other mechanisms.
Secure Messaging 21% 717
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure message sent by the patient (or the patient-authorized representative) during the performance period.
Security Risk AnalysisYesN/A
Conduct or review a security risk analysis in accordance with the requirements in 45 CFR 164.308(a)(1), including addressing the security (to include encryption) of ePHI data created or maintained by certified EHR technology in accordance with requirements in 45 CFR164.312(a)(2)(iv) and 45 CFR 164.306(d)(3), and implement security updates as necessary and correct identified security deficiencies as part of the MIPS eligible clinician's risk management process.
Specialized Registry ReportingYesN/A
The MIPS eligible clinician is in active engagement to submit data to specialized registry. To earn a 5 % bonus in the promoting interoperability performance category score for submitting to one or more public health or clinical data registries also attest to PI_TRANS_PHCDRR_3_MULTI.
Use of High-Risk Medications in the Elderly 1% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
1155
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication. 2) Percentage of patients who were ordered at least two of the same high-risk medication

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Elizabeth Williams is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ALTON MEMORIAL HOSPITALONE MEMORIAL DRIVE
ALTON, IL 62002
(618) 463-7311Acute Care Hospitals
MISSOURI BAPTIST MEDICAL CENTER3015 N BALLAS RD
TOWN AND COUNTRY, MO 63131
(314) 996-5000Acute Care Hospitals
BARNES-JEWISH WEST COUNTY HOSPITAL12634 OLIVE BOULEVARD
CREVE COEUR, MO 63141
(314) 996-8000Acute Care Hospitals
ST LUKES HOSPITAL232 S WOODS MILL RD
CHESTERFIELD, MO 63017
(314) 434-1500Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1790802429, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 8 → 16 → 7 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 1 + 8 + 0 + 1 + 6 + 0 + 4 + 4 + 4 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1790802429.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Physician Assistant
12855 N 40 DR STE 350
SAINT LOUIS, MO 63141
Urology
12855 N 40 DR STE 350
SAINT LOUIS, MO 63141
Physician Assistant (Medical)
12855 N 40 DR STE 350
SAINT LOUIS, MO 63141
Urology
12855 N 40 DR STE 350
SAINT LOUIS, MO 63141

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790802429, enumerated as an "individual" on March 26, 2007.

The provider is located at 12855 N 40 DR STE 350 SAINT LOUIS, MO 63141 and the phone number is (314) 567-6071.

Urology with taxonomy code 208800000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield and. Please consult your insurance carrier or call the provider to verify.

Elizabeth Williams is affiliated with: ALTON MEMORIAL HOSPITAL, MISSOURI BAPTIST MEDICAL CENTER, BARNES-JEWISH WEST COUNTY HOSPITAL and ST LUKES HOSPITAL.