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DR. ANNA ZAMSKAYA M.D.
NPI 1659418903
Internal Medicine in Washington, DC

Active since January 30, 2007PECOS Enrolled
660 PENNSYLVANIA AVE SE, SUITE 100, WASHINGTON, DC 20003(202) 546-4504(202) 544-6136 Get Directions Write a Review

NPPES record last updated: August 31, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Anna Zamskaya M.d. NPPES

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

DR. ANNA ZAMSKAYA M.D. (NPI 1659418903) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD038305) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659418903
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANNA ZAMSKAYACredential: M.D.
Location Address660 PENNSYLVANIA AVE SE, SUITE 100Washington, DC 20003-4346
Mailing AddressPo Box 631481Baltimore, MD 21263-1481 · (443) 725-8214 · Fax (410) 780-8790
Phone(202) 546-4504
Fax(202) 544-6136
Sole ProprietorNo
Enumeration DateJanuary 30, 2007
Last NPPES UpdateAugust 31, 2009
✔ NPI 1659418903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · MD038305
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
660 PENNSYLVANIA AVE SE, Washington, DC 20003
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Anna Zamskaya M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Anna Zamskaya reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Physician Partners, LLC
23 mi
Family Medicine
3914 CENTREVILLE RD, SUITE 250
Chantilly, VA 20151
  • Reassigned Medicare billing, Virginia enrollment
  • 229 clinicians in this Medicare group
NPI 1215264916 (703) 321-2609

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20003 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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.

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. DANIEL H WATERMAN M.D.
Internal Medicine
660 PENNSYLVANIA AVE SE, SUITE 100
WASHINGTON, DC 20003
District of Columbia (202) 546-4504
DR. MELIS OKYAR SENER M.D.
Internal Medicine
660 PENNSYLVANIA AVE SE, SUITE #100
WASHINGTON, DC 20003
District of Columbia (202) 546-4504
DR. FRANK ANTHONY SPELLMAN M.D.
Ophthalmology (Retina Specialist)
660 PENNSYLVANIA AVE SE
WASHINGTON, DC 20003
District of Columbia (201) 331-1188
DR. JUANITA SONYA BRYANT M.D.
Ophthalmology (Retina Specialist)
660 PENNSYLVANIA AVE SE
WASHINGTON, DC 20003
District of Columbia (202) 331-1188
DR. SUNIL KALRA MD
Internal Medicine
660 PENNSYLVANIA AVE SE, SUITE 100
WASHINGTON, DC 20003
District of Columbia (202) 546-4504
DR. PETER BASCH M.D.
Internal Medicine
660 PENNSYLVANIA AVE SE, SUITE 100
WASHINGTON, DC 20003
District of Columbia (202) 546-4504

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 Anna Zamskaya's NPI number?

The NPI number for Anna Zamskaya is 1659418903. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is Anna Zamskaya located?

Anna Zamskaya practices at 660 Pennsylvania Ave SE Suite 100, Washington, DC 20003. The listed phone number is (202) 546-4504.

What is Anna Zamskaya's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Anna Zamskaya enrolled in Medicare?

Yes. Anna Zamskaya is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anna Zamskaya's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Zamskaya reassigns Medicare benefits to Inova Physician Partners, LLC (Chantilly, VA). 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 Anna Zamskaya's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anna Zamskaya was last updated on August 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.