1. Home
  2. Directory
  3. District Of Columbia
  4. Washington
  5. Family Medicine
  6. NPI Profile

HEATHER ELISABETH WALKER M.D.
NPI 1407085996
Family Medicine in Washington, DC

Active since July 07, 2009PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
40 PATTERSON ST NE, WASHINGTON, DC 20002(202) 354-1120(202) 478-0606 Get Directions Write a Review

NPPES record last updated: December 23, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Heather Elisabeth Walker M.d. NPPES

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

HEATHER ELISABETH WALKER M.D. (NPI 1407085996) is an individual family medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD038158) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (2006).

NPPES Registry Identity

NPI1407085996
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameHEATHER ELISABETH WALKERCredential: M.D.
Location Address40 PATTERSON ST NEWashington, DC 20002-3334
Mailing Address40 Patterson St NeWashington, DC 20002-3334 · (202) 354-1120 · Fax (202) 478-0606
Phone(202) 354-1120
Fax(202) 478-0606
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2006
Enumeration DateJuly 7, 2009
Last NPPES UpdateDecember 23, 2009
✔ NPI 1407085996 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in DC · MD038158✔ Licensed in MD · D0069310
Definition
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.
40 PATTERSON ST NE, Washington, DC 20002
Open in Google Maps ↗

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

Heather Elisabeth Walker 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 ID6204952336
PECOS Enrollment IDI20141107000759
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 Heather Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medstar Medical Group II LLC
1.9 mi
Internal Medicine
1145 19TH ST NW, SUITE 311
Washington, DC 20036
  • Reassigned Medicare billing, Maryland enrollment
  • 2,602 clinicians in this Medicare group
NPI 1376887844 (202) 429-2401

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 8

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.

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.
405 services163 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
119 services119 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.
59 services51 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
51 services51 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
44 services44 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.
24 services23 patients

Hospital Affiliations CMS Care Compare

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

Medstar Saint Mary's Hospital

Acute Care Hospitals · Leonardtown, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210028
Location25500 Point Lookout RoadLeonardtown, MD 20650 · St. Marys County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20002 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers22 claims33 services$6.00 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 6

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

DR. NIKKI HARRIS DO
Family Medicine
40 PATTERSON ST NE
WASHINGTON, DC 20002
District of Columbia (202) 354-1120
DR. MICHELE LORAINE PARKER-LOCKETT DDS
Dentist (Dental Public Health)
40 PATTERSON ST NE
WASHINGTON, DC 20002
District of Columbia (202) 478-4718
KATE SUGARMAN M.D.
Family Medicine
40 PATTERSON ST NE
WASHINGTON, DC 20002
District of Columbia (202) 478-4734
MRS. NEKIA WHITE LICSW
Social Worker (Clinical)
40 PATTERSON ST NE
WASHINGTON, DC 20002
District of Columbia (202) 354-1120
UNITY HEALTH CARE, INC
Clinic/Center (Federally Qualified Health Center (FQHC))
40 PATTERSON ST NE
WASHINGTON, DC 20002
District of Columbia (202) 354-1120
DR. REGGIE C ELLIOTT MD
Family Medicine
40 PATTERSON ST NE
WASHINGTON, DC 20002
District of Columbia (202) 216-0245

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 Heather Walker's NPI number?

The NPI number for Heather Walker is 1407085996. It was assigned to this individual provider in the NPPES registry on July 7, 2009.

Where is Heather Walker located?

Heather Walker practices at 40 Patterson St NE, Washington, DC 20002. The listed phone number is (202) 354-1120.

What is Heather Walker's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Heather Walker enrolled in Medicare?

Yes. Heather Walker 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 Heather Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Walker reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). 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 Heather Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Heather Walker affiliated with any hospitals?

According to CMS data, Heather Walker is affiliated with Medstar Saint Mary's Hospital.

When was this NPI record last updated?

The NPPES record for Heather Walker was last updated on December 23, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.