Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANH THI NGUYEN DO
NPI 1275154866
Obstetrics & Gynecology in Rockville, MD

Active since May 05, 2020PECOS EnrolledAccepts Medicare Assignment
15204 OMEGA DR STE 200, ROCKVILLE, MD 20850(301) 330-7007 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 3, 2026, May 5, 2020 (2 updates tracked since 2020).

About Anh Thi Nguyen Do NPPES

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

ANH THI NGUYEN DO (NPI 1275154866) is an individual obstetrics & gynecology provider in Rockville, Maryland, licensed in Maryland (H0099938) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS and is a graduate of Liberty Univ College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1275154866
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameANH THI NGUYENCredential: DO
Location Address15204 OMEGA DR STE 200Rockville, MD 20850-4814
Mailing Address15204 Omega Dr Ste 200Rockville, MD 20850-4814 · (301) 330-7007
Sole ProprietorNo
Medical School CMSLiberty Univ College Of Osteopathic MedicineGraduated 2020
Enumeration DateMay 5, 2020
Last NPPES UpdateSeptember 3, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
✔ NPI 1275154866 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · H0099938
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.
15204 OMEGA DR STE 200, Rockville, MD 20850

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

Anh Thi Nguyen Do 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 ID6507304888
PECOS Enrollment IDI20240818000033
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 Reassignments

2

Medicare enrollment records show Anh Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obstetrics & Gynecology
15204 OMEGA DR STE 200
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia enrollment
  • 6 clinicians in this Medicare group
Obstetrics & Gynecology
8110 MAPLE LAWN BLVD STE 235
Fulton, MD 20759
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Capital Womens Care LLC
  • 186 clinicians in this Medicare group

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 20850 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

Other Providers at the Same Location NPPES 7

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

Nurse Practitioner (Family)
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850
Obstetrics & Gynecology
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850
Obstetrics & Gynecology
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850
Obstetrics & Gynecology
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850
Advanced Practice Midwife
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850
Physician Assistant
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850
Obstetrics & Gynecology
15204 OMEGA DR STE 200
ROCKVILLE, MD 20850

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 Anh Nguyen's NPI number?

The NPI number for Anh Nguyen is 1275154866. It was assigned to this individual provider in the NPPES registry on May 5, 2020.

Where is Anh Nguyen located?

Anh Nguyen practices at 15204 Omega Dr Ste 200, Rockville, MD 20850. The listed phone number is (301) 330-7007.

What is Anh Nguyen's specialty?

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

Is Anh Nguyen enrolled in Medicare?

Yes. Anh Nguyen 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 organizations bill Medicare for Anh Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anh Nguyen reassigns Medicare benefits to 2 organizations: Rockville Gynecology LLC (Rockville, MD) and Capital Women's Care, L.L.C. (Fulton, MD). Each 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 Anh Nguyen'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 Anh Nguyen was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.