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SUSIE AHN MD
NPI 1265966113
Obstetrics & Gynecology in Antioch, CA

Active since April 18, 2017PECOS EnrolledAccepts Medicare Assignment
3624 DELTA FAIR BLVD BLDG E, ANTIOCH, CA 94509(925) 779-5090 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 11, 2022, Aug 24, 2021, Apr 18, 2017 (3 updates tracked since 2017).

About Susie Ahn Md NPPES

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

SUSIE AHN MD (NPI 1265966113) is an individual obstetrics & gynecology provider in Antioch, California, licensed in California (A173255) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (2017).

NPPES Registry Identity

NPI1265966113
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSUSIE AHNCredential: MD
Location Address3624 DELTA FAIR BLVD BLDG EAntioch, CA 94509-4006
Mailing Address3624 Delta Fair Blvd Bldg EAntioch, CA 94509-4006
Phone(925) 779-5090
Sole ProprietorYes
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2017
Enumeration DateApril 18, 2017
Last NPPES UpdateFebruary 11, 20223 updates tracked since enumeration
NPPES CertifiedAugust 24, 2021
✔ NPI 1265966113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A173255
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 226724 (NC)
3624 DELTA FAIR BLVD BLDG E, Antioch, CA 94509
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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 and accepts Medicare assignment

Susie Ahn Md 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 ID4183992183
PECOS Enrollment IDI20240918003446
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 Susie Ahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
24 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000

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 94509 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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 Susie Ahn's NPI number?

The NPI number for Susie Ahn is 1265966113. It was assigned to this individual provider in the NPPES registry on April 18, 2017.

Where is Susie Ahn located?

Susie Ahn practices at 3624 Delta Fair Blvd Bldg E, Antioch, CA 94509. The listed phone number is (925) 779-5090.

What is Susie Ahn's specialty?

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

Is Susie Ahn enrolled in Medicare?

Yes. Susie Ahn 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 Susie Ahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Susie Ahn reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). 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 Susie Ahn'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 Susie Ahn was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.