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DR. PETER MAXWELL FERREN MD
NPI 1013947597
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since July 03, 2006PECOS Enrolled
1001 POTRERO AVE, RM 7M, SAN FRANCISCO, CA 94110(415) 206-5612(415) 206-8942 Get Directions Write a Review

NPPES record last updated: December 22, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Peter Maxwell Ferren Md NPPES

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

DR. PETER MAXWELL FERREN MD (NPI 1013947597) is an individual psychiatry provider in San Francisco, California, licensed in California (A79672) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013947597
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. PETER MAXWELL FERRENCredential: MD
Location Address1001 POTRERO AVE, RM 7MSan Francisco, CA 94110-3518
Mailing AddressPo Box 7464San Francisco, CA 94120-7464 · (415) 206-3103 · Fax (415) 206-3872
Phone(415) 206-5612
Fax(415) 206-8942
Sole ProprietorNo
Enumeration DateJuly 3, 2006
Last NPPES UpdateDecember 22, 2011
✔ NPI 1013947597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A79672
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1001 POTRERO AVE, San Francisco, CA 94110
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Other Identifiers 2

Medicare ID-Type Unspecified00A796720CA
Medicare UPINH81655

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Maxwell Ferren 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 94110 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

ROCIO C AGRAZ-LARA RN, PHN
Registered Nurse
1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8524
DR. SUSAN WLODARCZYK MD
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5164
AMY DINER PSY.D.
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
CHRISTOPHER RUIZ
Case Manager/Care Coordinator
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-3950
C. STIRLING SOMERS
Counselor
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
WILLIAM RUSSEL CARPENTER FNP-C
Nurse Practitioner (Family)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8000
REGENTS OF THE UNIVERSITY OF CALIFORNIA
Clinical Medical Laboratory
1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110
San Francisco County (415) 502-4775
DR. DENISE RENEE GONZALEZ MD
Internal Medicine
1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-6075

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 Peter Ferren's NPI number?

The NPI number for Peter Ferren is 1013947597. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Peter Ferren located?

Peter Ferren practices at 1001 Potrero Ave Rm 7M, San Francisco, CA 94110. The listed phone number is (415) 206-5612.

What is Peter Ferren's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Peter Ferren enrolled in Medicare?

Yes. Peter Ferren is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Peter Ferren was last updated on December 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.