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COLIN S WALTERS MD P C
NPI 1831950625
Obstetrics & Gynecology in Alexandria, VA

Active since January 18, 2024
4320 SEMINARY RD, ALEXANDRIA, VA 22304(703) 725-0128 Get Directions Write a Review

NPPES record last updated: February 7, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Colin S Walters Md P C NPPES

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

COLIN S WALTERS MD P C (NPI 1831950625) is a healthcare organization registered as an obstetrics & gynecology in Alexandria, Virginia and active in the NPI registry since January 2024. The organization lists Colin S Walters, President/owner, as its authorized official.

NPPES Registry Identity

NPI1831950625
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameCOLIN S WALTERS MD P C
Location Address4320 SEMINARY RDAlexandria, VA 22304-1535
Mailing Address4622 Fieldstone Ln NwWashington, DC 20008-1001 · (703) 504-3314
Phone(703) 725-0128
Organization SubpartNo
Authorized OfficialColin S WaltersPresident/owner · (703) 725-0128
Enumeration DateJanuary 18, 2024
Last NPPES UpdateFebruary 7, 2024
NPPES CertifiedJanuary 18, 2024
✔ NPI 1831950625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4320 SEMINARY RD, Alexandria, VA 22304
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Other Identifiers 1

Other0101058261VA · State License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Colin S Walters Md P C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Colin S Walters MD P C, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Ekta Srikumar, M.D.
Obstetrics/Gynecology
NPI 1669600862
4320 SEMINARY RD LABOR AND DELIVERY C/O DR. THOMAS BURNS
Alexandria, VA 22304
(703) 504-3314
✔ PECOS✔ Accepts MedicareSame address
Kristina Hibshman, M.D.
Obstetrics/Gynecology
NPI 1124100169
4660 KENMORE AVE SUITE 1100
Alexandria, VA 22304
(703) 370-0400
✔ PECOS✔ Accepts Medicare0.5 mi
Samrawit Berhanu, M.D.
Obstetrics/Gynecology
NPI 1396069985
2800 S SHIRLINGTON RD
Arlington, VA 22206
(571) 777-2410
✔ PECOS✔ Accepts Medicare1.7 mi
Sonia Salgado, M.D.
Obstetrics/Gynecology
NPI 1457404766
5901 KINGSTOWNE VILLAGE PKWY STE 200
Alexandria, VA 22315
(701) 922-3434
✔ PECOS✔ Accepts Medicare3.8 mi
Colin Walters, MD
Obstetrics/Gynecology
NPI 1538263199
1108 16TH ST NW
Washington, DC 20036
(202) 347-8500
✔ PECOS✔ Accepts Medicare6.7 mi
Omotomilade Olopoenia, MD
Obstetrics/Gynecology
NPI 1164046587
3300 GALLOWS RD
Falls Church, VA 22042
(703) 776-2745
✔ PECOS✔ Accepts Medicare7.0 mi

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

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 Colin S Walters MD P C's NPI number?

The NPI number for Colin S Walters MD P C is 1831950625. It was assigned to this organization in the NPPES registry on January 18, 2024.

Where is Colin S Walters MD P C located?

Colin S Walters MD P C is located at 4320 Seminary Rd, Alexandria, VA 22304. The listed phone number is (703) 725-0128.

What is Colin S Walters MD P C's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Colin S Walters MD P C enrolled in Medicare?

Yes. Colin S Walters MD P C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Colin S Walters MD P C?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Colin S Walters MD P C. A 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 the clinician's services. Of these, 1 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Colin S Walters MD P C was last updated on February 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.