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DR. JOHN M. BERRY M.D.
NPI 1942236997
Internal Medicine - Medical Oncology in San Francisco, CA

Active since June 23, 2006PECOS Enrolled
1600 DIVISADERO ST, SAN FRANCISCO, CA 94115(415) 353-7100(415) 353-7150 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. John M. Berry M.d. NPPES

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

DR. JOHN M. BERRY M.D. (NPI 1942236997) is an individual medical oncology provider in San Francisco, California, licensed in California (G52443) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942236997
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. JOHN M. BERRYCredential: M.D.
Location Address1600 DIVISADERO STSan Francisco, CA 94115-3010
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001 · (415) 476-4029 · Fax (415) 476-4150
Phone(415) 353-7100
Fax(415) 353-7150
Sole ProprietorNo
Enumeration DateJune 23, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1942236997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CA · G52443
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License G52443 (CA)

Other Identifiers 1

Medicaid00G524430CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John M. Berry M.d. 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 Reassignments

3

Medicare enrollment records show John Berry reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California
Endocrinology, Diabetes & Metabolism
1600 DIVISADERO ST
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1235322348 (415) 353-9720
Ucsf Medical Group Business Services
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Of California San Francisco
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1164512851 (415) 476-1000

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 94115 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
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.

DR. PATRICIA J MORAN PSY
Psychologist
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-9745
DR. ERIC KAORU NAKAKURA MD
Surgery
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-9846
DR. HOPE S. RUGO MD
Internal Medicine (Hematology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7070
RONALD BALASSANIAN MD
Pathology (Anatomic Pathology & Clinical Pathology)
1600 DIVISADERO ST, UCSF/MT. ZION MEDICAL CENTER, ROOM 200 FNA CLINIC
SAN FRANCISCO, CA 94115
San Francisco County (415) 514-6642
DR. JOHN W PARK MD
Internal Medicine (Medical Oncology)
1600 DIVISADERO ST, 2ND FLOOR, BOX 1710
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7070
MARYLOU LOUISE ERNEST NP
Nurse Practitioner
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7035
DR. RICHARD M. KRIEG MD
Radiology (Therapeutic Radiology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7175
DR. I-CHOW JOE HSU M.D.
Radiology (Radiation Oncology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-7175

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 John Berry's NPI number?

The NPI number for John Berry is 1942236997. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is John Berry located?

John Berry practices at 1600 Divisadero St, San Francisco, CA 94115. The listed phone number is (415) 353-7100.

What is John Berry's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is John Berry enrolled in Medicare?

Yes. John Berry is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Berry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Berry reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (San Francisco, CA). Each 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 John Berry'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 John Berry was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.