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

MERCEDES FORSTER MD
NPI 1710662192
Family Medicine in Oakland, CA

Active since June 21, 2023PECOS Enrolled
1030 INTERNATIONAL BLVD, OAKLAND, CA 94606(510) 238-5400(510) 238-5437 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 25, 2026, Jun 21, 2023 (2 updates tracked since 2023).

About Mercedes Forster Md NPPES

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

MERCEDES FORSTER MD (NPI 1710662192) is an individual family medicine provider in Oakland, California, licensed in California (A197496) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710662192
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMERCEDES FORSTERCredential: MD
Location Address1030 INTERNATIONAL BLVDOakland, CA 94606-3730
Mailing AddressPo Box 22210Oakland, CA 94623-2210 · (510) 535-4000 · Fax (510) 535-4189
Phone(510) 238-5400
Fax(510) 238-5437
Sole ProprietorNo
Enumeration DateJune 21, 2023
Last NPPES UpdateSeptember 25, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2026
✔ NPI 1710662192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A197496
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1030 INTERNATIONAL BLVD, Oakland, CA 94606
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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)

Mercedes Forster Md 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 Mercedes Forster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Contra Costa County
12 mi
Family Planning, Non-Surgical
13601 SAN PABLO AVE
San Pablo, CA 94806
  • Reassigned Medicare billing, California enrollment
  • 530 clinicians in this Medicare group
NPI 1417036484 (925) 957-5429

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 94606 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 20

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

EMILY DUANE LLOYD NPF
Nurse Practitioner
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 238-5400
MONIQUE THIRY-ZARAGOZA MD
Family Medicine
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 238-5400
VIVIAN YU
Registered Nurse (General Practice)
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 238-5400
MOLLY GOODKIND LCSW
Social Worker (Clinical)
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 535-6200
MS. NANG KIT WONG R.D.
Dietitian, Registered
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 238-5400
PETER MADRIL RDN
Dietitian, Registered
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 535-1508
SUK-CHONG CHEUNG MSW
Social Worker (Clinical)
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 238-5400
JORGE LUIS ROSALES RN
Registered Nurse (Community Health)
1030 INTERNATIONAL BLVD
OAKLAND, CA 94606
Alameda County (510) 238-5400

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 Mercedes Forster's NPI number?

The NPI number for Mercedes Forster is 1710662192. It was assigned to this individual provider in the NPPES registry on June 21, 2023.

Where is Mercedes Forster located?

Mercedes Forster practices at 1030 International Blvd, Oakland, CA 94606. The listed phone number is (510) 238-5400.

What is Mercedes Forster's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mercedes Forster enrolled in Medicare?

Yes. Mercedes Forster is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mercedes Forster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Forster reassigns Medicare benefits to Contra Costa County (San Pablo, 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 Mercedes Forster'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 Mercedes Forster was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.