GERIN F. RIVER MD
NPI 1831408921
Emergency Medicine in Oakland, CA

Q: What is Gerin River's NPI number?

The NPI number for Gerin River is 1831408921. It was assigned to this individual provider in the NPPES registry on October 7, 2010.

Q: What is Gerin River's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Gerin River was last updated on January 21, 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.

Active since October 07, 2010PECOS Enrolled

275 W MACARTHUR, OAKLAND, CA 94611(510) 752-1000 Get Directions Write a Review

NPPES record last updated: January 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Gerin F. River Md NPPES

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

GERIN F. RIVER MD (NPI 1831408921) is an individual emergency medicine provider in Oakland, California, licensed in California (A116048) and active in the NPI registry since October 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831408921

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameGERIN F. RIVERCredential: MD

Location Address275 W MACARTHUROakland, CA 94611-5641

Mailing Address275 W MacarthurOakland, CA 94611-5641 · (510) 752-1000

Phone(510) 752-1000

Sole ProprietorYes

Enumeration DateOctober 7, 2010

Last NPPES UpdateJanuary 21, 2022

NPPES CertifiedJanuary 21, 2022

✔ NPI 1831408921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A116048

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

275 W MACARTHUR, Oakland, CA 94611

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gerin F. River 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94611 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.

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