LAUREN FITZGERALD UNDERWOOD M.D.
NPI 1871854885
Urology in San Antonio, TX

Q: What is Lauren Underwood's NPI number?

The NPI number for Lauren Underwood is 1871854885. It was assigned to this individual provider in the NPPES registry on June 6, 2012.

Q: What is Lauren Underwood's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for Lauren Underwood was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 06, 2012PECOS EnrolledAccepts Medicare Assignment

78.04/100

CMS Quality Rating

1303 MCCULLOUGH AVE STE 270, SAN ANTONIO, TX 78212(210) 474-7020(210) 679-3733 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Sep 11, 2017 (2 updates tracked since 2017).

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About Lauren Fitzgerald Underwood M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAUREN FITZGERALD UNDERWOOD M.D. (NPI 1871854885) is an individual urology provider in San Antonio, Texas, licensed in Texas (R3448) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Northwest Texas Hospital, and is a graduate of Louisiana State University School Of Medicine In Shreveport (2012).

NPPES Registry Identity

NPI1871854885

Entity TypeIndividualFemale

Primary Taxonomy208800000X

Provider Legal NameLAUREN FITZGERALD UNDERWOODCredential: M.D.

Location Address1303 MCCULLOUGH AVE STE 270San Antonio, TX 78212-5604

Mailing Address7909 Fredericksburg Rd Ste 110San Antonio, TX 78229-3400 · (210) 614-4544 · Fax (210) 679-3936

Phone(210) 474-7020

Fax(210) 679-3733

Sole ProprietorYes

Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 2012

Enumeration DateJune 6, 2012

Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration

✔ NPI 1871854885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in TX · R3448

Definition

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.

Also ListedSurgeryTaxonomy 208600000X · License BP10043376 (TX)

1303 MCCULLOUGH AVE STE 270, San Antonio, TX 78212

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lauren Fitzgerald Underwood M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486929320

PECOS Enrollment IDI20171003007015

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Underwood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Amarillo Urology Associates LLP

444 mi

Specialist

1900 MEDI PARK DR
Amarillo, TX 79106

Reassigned Medicare billing, Texas enrollment
19 clinicians in this Medicare group

NPI 1740373976 (806) 355-9447

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

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.

1,900 services19 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

608 services344 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

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.

531 services310 patients

Ultrasound measurement of bladder capacity after voiding 51798

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.

401 services284 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

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.

122 services122 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

86 services74 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

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.

71 services65 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

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.

68 services63 patients

Complete ultrasound scan behind abdominal cavity 76770

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.

60 services58 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 51784

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.

42 services42 patients

Electronic assessment of bladder emptying 51741

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.

41 services41 patients

Complex measurement of pressure of urine flow in bladder with voiding pressure studies 51728

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.

38 services38 patients

Insertion of device into abdomen with pressure and urine flow rate study 51797

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.

38 services38 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

35 services25 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

27 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

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.

26 services26 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

26 services24 patients

Psa (prostate specific antigen) measurement, free 84154

A PSA measurement, free, is a simple blood test that checks for a specific protein produced by your body. Higher levels may indicate a health concern that needs further investigation. This test is often used to monitor overall wellness.

22 services19 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

21 services21 patients

Biopsy of prostate gland 55700

A biopsy of the prostate gland is a procedure where a small sample of tissue is taken from your body's internal gland, located near the bladder, for testing. This helps in diagnosing potential health issues. It's usually done with a fine needle and imaging technology for accuracy.

19 services19 patients

Ct scan of abdomen and pelvis without contrast 74176

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.

19 services18 patients

Blood creatinine level 82565

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.

17 services17 patients

Ct scan of abdomen and pelvis before and after contrast 74178

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.

16 services16 patients

Insertion of stent in ureter using an endoscope 52332

This procedure involves placing a small, flexible tube (stent) in your body's drainage system to help urine flow from the kidneys to the bladder. An endoscope, a thin tube with a light and camera, is used for precise placement.

15 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

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.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwest Texas Hospital

Acute Care Hospitals · Amarillo, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450209

Location1501 S Coulter StAmarillo, TX 79106 · Potter County

Emergency services Birthing friendly

Bsa Hospital

Acute Care Hospitals · Amarillo, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450231

Location1600 Wallace BlvdAmarillo, TX 79106 · Potter County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.04/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

72.21

Promoting Interoperability

Improvement Activities

Cost

59.59

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

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

DME-Orthotic Devices · category DF008N

4 suppliers14 claims2,220 services$1.74 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SALMA G BARRIENTOS FNP

Nurse Practitioner (Family)

1303 MCCULLOUGH AVE STE 270
SAN ANTONIO, TX 78212

Bexar County (210) 614-4544

DR. MAURILIO GARCIA-GIL MD

Urology

1303 MCCULLOUGH AVE STE 270
SAN ANTONIO, TX 78212

Bexar County (210) 474-7020

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lauren Underwood's NPI number?

The NPI number for Lauren Underwood is 1871854885. It was assigned to this individual provider in the NPPES registry on June 6, 2012.

Where is Lauren Underwood located?

Lauren Underwood practices at 1303 Mccullough Ave Ste 270, San Antonio, TX 78212. The listed phone number is (210) 474-7020.

What is Lauren Underwood's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Lauren Underwood enrolled in Medicare?

Yes. Lauren Underwood is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lauren Underwood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Underwood reassigns Medicare benefits to Amarillo Urology Associates LLP (Amarillo, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lauren Underwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Underwood accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Lauren Underwood as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Lauren Underwood affiliated with any hospitals?

According to CMS data, Lauren Underwood is affiliated with Northwest Texas Hospital and Bsa Hospital.

When was this NPI record last updated?

The NPPES record for Lauren Underwood was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.