TARIKA WILLIAMS M.D.
NPI 1235404427
Obstetrics & Gynecology in San Francisco, CA
About Tarika Williams M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TARIKA WILLIAMS M.D. (NPI 1235404427) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in Maryland (D83824) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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
Tarika Williams 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.
Medicare Billing Reassignment
Medicare enrollment records show Tarika Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gaithersburg, MD 20879
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Tarika Williams's NPI number?
The NPI number for Tarika Williams is 1235404427. It was assigned to this individual provider in the NPPES registry on March 20, 2012.
Where is Tarika Williams located?
Tarika Williams practices at 513 Parnassus Ave Suite 321, San Francisco, CA 94143. The listed phone number is (415) 476-2773.
What is Tarika Williams's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tarika Williams enrolled in Medicare?
Yes. Tarika Williams 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 Tarika Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tarika Williams reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD). 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 Tarika Williams'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 Tarika Williams was last updated on March 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Tarika Williams, M.D. · NPI 1235404427
Obstetrics & Gynecology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 20, 2012.
## Identity
- **NPI:** 1235404427 (Entity type: Individual)
- **Enumerated:** March 20, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D83824 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 513 PARNASSUS AVE, SUITE 321, San Francisco, CA 94143-0470
- **Phone:** (415) 476-2773
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1831471713, Gaithersburg, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** March 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1235404427) · Data from the CMS NPPES public registry.