ALLISON NICHELLE WILLIAMS MD
NPI 1477545077
Family Medicine in Crofton, MD

NPI Status: Active since August 19, 2005

Contact Information

1684 VILLAGE GRN LOWR LEVEL
CROFTON, MD
ZIP 21114
Phone: (410) 721-3822
Fax: (410) 451-0960

NPI Profile Information
Primary Taxonomy
Medicare Participation & PECOS Status
Areas of Expertise
Durable Medical Equipment
Physician Visit Costs
Quality Reporting
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Years of Experience 26
Family Medicine
Accepts Medicare Approved Payment
PECOS Enrolled
Medicare Quality Reporting

About ALLISON WILLIAMS

This page provides the complete NPI Profile along with additional information for Allison Williams, a primary care provider established in Crofton, Maryland with a medical specialization in Family Medicine and more than 26 years of experience. She graduated from Howard University College Of Medicine in 2000. The healthcare provider is registered in the NPI registry with number 1477545077 assigned on August 2005. The practitioner's primary taxonomy code is 207Q00000X with license number D0061041 (MD). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI: 1477545077
Provider Name: ALLISON NICHELLE WILLIAMS MD
Gender: Female
Entity Type: Individual
Location Address: 1684 VILLAGE GRN LOWR LEVEL CROFTON, MD 21114
Location Phone: (410) 721-3822
Location Fax: (410) 451-0960
Mailing Address: 1684 VILLAGE GRN LOWR LEVEL CROFTON, MD 21114
Mailing Phone: (410) 721-3822
Mailing Fax: (410) 451-0960
Medical School Name: HOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduation Year: 2000
Is Sole Proprietor?: Yes
Enumeration Date: 08-19-2005
Last Update Date: 04-29-2019
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A primary care provider (PCP) like Allison Williams sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

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: Family Medicine
Taxonomy Code: 207Q00000X
Type: Allopathic & Osteopathic Physicians
License No.: D0061041
License State: MD
Taxonomy Description: Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Medicare Participation & PECOS Enrollment Status

Allison 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.

Allison 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: 7214920131
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: I20050615000190
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-Other DME (DE017N)
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)
4 DME suppliers used 11 Medicare Claims 27 Services Paid
DME-Oxygen and Supplies (DC002N)
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)
1 DME suppliers used 11 Medicare Claims 11 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.

Adm sarscov2 30mcg/0.3ml bst
Administration of influenza virus vaccine
Advance care planning, first 30 minutes
Annual depression screening, 15 minutes
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
Blood test, clotting time
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 40-54 minutes
Fee covid-19 vac 13 res
Fee covid-19 vac 14 res
Influenza vaccine, quadrivalent, 0.5 ml dosage
Insertion of needle into vein for collection of blood sample
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes
Manual urinalysis test with examination using microscope, non-automated
Psa (prostate specific antigen) measurement, total
Red blood cell sedimentation rate, to detect inflammation, non-automated
Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
Telephone medical discussion with physician, 11-20 minutes
Telephone medical discussion with physician, 21-30 minutes
Transitional care management services for problem of high complexity
Transitional care management services for problem of moderate complexity

Physician Visit Costs

The typical physician office visit costs for Medicare beneficiaries in this area are: $23.52 for a new patient copayment and $26.64 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 21114 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

Average New Patient Price $94.08
Minimum New Patient Price $60.73
Maximum New Patient Price $183.44

Average New Patient Copayment $23.52
Minimum New Patient Copayment $15.18
Maximum New Patient Copayment $45.86

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

Average Established Patient Price $106.59
Minimum Established Patient Price $19.6
Maximum Established Patient Price $149.17

Average Established Patient Copayment $26.64
Minimum Established Patient Copayment $4.9
Maximum Established Patient Copayment $37.29

* 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
Care Plan	43%	514
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker or provide an advance care plan
Colorectal Cancer Screening	24%	535
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
Diabetes: Eye Exam	88%	26
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
Documentation of Current Medications in the Medical Record	95%	3110
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	38%	1743
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
Falls: Plan of Care	6%	32
Percentage of patients aged 65 years and older with a history of falls that had a plan of care for falls documented within 12 months
Falls: Risk Assessment	94%	33
Percentage of patients aged 65 years and older with a history of falls that had a risk assessment for falls completed within 12 months
Health Information Exchange	3%	63
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.
Immunization Registry Reporting	Yes	N/A
The MIPS eligible clinician is in active engagement with a public health agency to submit immunization data.
Medication Reconciliation	44%	25
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	3%	530
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	76%	276
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan	95%	370
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous twelve months of the current encounter Normal Parameters: Age 18 years and older BMI >= 18.5 and < 25 kg/m2
Preventive Care and Screening: Screening for Depression and Follow-Up Plan	23%	964
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention	11%	112
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling	3%	768
Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user
Provide 24/7 Access to MIPS Eligible Clinicians or Groups Who Have Real-Time Access to Patient's Medical Record	Yes	N/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	73%	530
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.
Secure Messaging	13%	530
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 Analysis	Yes	N/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.

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 1477545077, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 7 → 14 → 5 5 → 10 → 1 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 1 + 0 + 4 + 1 + 0 + 0 + 1 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1477545077.

Other Providers at the Same Location

The following 1 provider is registered at the same or a nearby location.

VILLAGE GREEN PRIMARY CARE, LLC

Family Medicine

1684 VILLAGE GRN LOWR LEVEL
CROFTON, MD 21114

Anne Arundel County (410) 721-3822

About ALLISON WILLIAMS

Location Map

Specialty - Primary Taxonomy

Family Medicine

Medicare Participation & PECOS Enrollment Status

Is the provider registered in PECOS? Yes

PECOS PAC ID: 7214920131

PECOS Enrollment ID: I20050615000190

Accepts Medicare Assignment? Yes

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

Durable Medical Equipment

Areas of Expertise

Adm sarscov2 30mcg/0.3ml bst

Administration of influenza virus vaccine

Advance care planning, first 30 minutes

Annual depression screening, 15 minutes

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit

Blood test, clotting time

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus

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

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

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

Established patient office or other outpatient visit, 40-54 minutes

Fee covid-19 vac 13 res

Fee covid-19 vac 14 res

Influenza vaccine, quadrivalent, 0.5 ml dosage

Insertion of needle into vein for collection of blood sample

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes

Manual urinalysis test with examination using microscope, non-automated

Psa (prostate specific antigen) measurement, total

Red blood cell sedimentation rate, to detect inflammation, non-automated

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

Telephone medical discussion with physician, 11-20 minutes

Telephone medical discussion with physician, 21-30 minutes

Transitional care management services for problem of high complexity

Transitional care management services for problem of moderate complexity

Physician Visit Costs

New Patients Visit Costs *

Established Patients Visit Costs *

Quality Reporting

Reviews for ALLISON NICHELLE WILLIAMS MD

NPI NPI Number Validation

How NPI Validation Works

Digit-by-digit view

Step 1: Double every other digit from the right

Step 2: Add all digits plus the NPI constant

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

Other Providers at the Same Location

Frequently Asked Questions

What is Allison Williams's NPI number?

Where is the provider located?

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