RUSSELL YAMAMOTO MD
NPI 1184366957
Internal Medicine in Stockton, CA

Q: What is Russell Yamamoto's NPI number?

The NPI number for Russell Yamamoto is 1184366957. It was assigned to this individual provider in the NPPES registry on April 11, 2022.

Q: What is Russell Yamamoto's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Russell Yamamoto was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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 April 11, 2022PECOS EnrolledAccepts Medicare Assignment

1800 N CALIFORNIA ST, STOCKTON, CA 95204(209) 547-7177 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 6, 2025, Apr 11, 2022 (2 updates tracked since 2022).

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About Russell Yamamoto Md NPPES

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

RUSSELL YAMAMOTO MD (NPI 1184366957) is an individual internal medicine provider in Stockton, California, licensed in California (A200048) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1184366957

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameRUSSELL YAMAMOTOCredential: MD

Location Address1800 N CALIFORNIA STStockton, CA 95204-6019

Mailing Address1800 N California StStockton, CA 95204-6019

Phone(209) 547-7177

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateApril 11, 2022

Last NPPES UpdateAugust 6, 20252 updates tracked since enumeration

NPPES CertifiedAugust 6, 2025

✔ NPI 1184366957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A200048

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1800 N CALIFORNIA ST, Stockton, CA 95204

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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 and accepts Medicare assignment

Russell Yamamoto 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 ID2264936939

PECOS Enrollment IDI20250916003383

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 95204 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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.

MONICA CHAPPIDI DO

Student in an Organized Health Care Education/Training Program