Dr Peter Maxwell Ferren, MD - Medicare Psychiatry & Neurology in San Francisco, CA

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Dr Peter Maxwell Ferren, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in San Francisco, California. His current practice location is 1001 Potrero Ave, Rm 7m, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 206-5612.

Dr Peter Maxwell Ferren is licensed to practice in California (license number A79672) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1013947597.

Contact Information

Dr Peter Maxwell Ferren, MD
1001 Potrero Ave, Rm 7m,
San Francisco, CA 94110-3518
(415) 206-5612
(415) 206-8942

Map and Direction




Physician's Profile

Full NameDr Peter Maxwell Ferren
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location1001 Potrero Ave, San Francisco, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1013947597
  • Provider Enumeration Date: 07/03/2006
  • Last Update Date: 12/22/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 4587712773
  • Enrollment ID: I20090427000624

Medical Identifiers

Medical identifiers for Dr Peter Maxwell Ferren such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013947597NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry A79672 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Peter Maxwell Ferren allows following entities to bill medicare on his behalf.
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861578973
PECOS PAC ID: 4486567229
Enrollment ID: O20031212000897
Entity NameUcsf Medical Group Business Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477624104
PECOS PAC ID: 3779497870
Enrollment ID: O20040622001513
Entity NameUcsf Psychiatry
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427105279
PECOS PAC ID: 4981680832
Enrollment ID: O20040629001513
Entity NameCity & County Of San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982737524
PECOS PAC ID: 1658280748
Enrollment ID: O20050309000770
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104992817
PECOS PAC ID: 3678547304
Enrollment ID: O20090403000024

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Peter Maxwell Ferren is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Peter Maxwell Ferren, MD
Po Box 7464,
San Francisco, CA 94120-7464

Ph: (415) 206-3103		Dr Peter Maxwell Ferren, MD
1001 Potrero Ave, Rm 7m,
San Francisco, CA 94110-3518

Ph: (415) 206-5612

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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