Ms Rosemary De Perez, NP MSN - Medicare Registered Nurse in San Francisco, CA

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Ms Rosemary De Perez, NP MSN is a medicare enrolled "Registered Nurse - Ambulatory Care" in San Francisco, California. Her current practice location is 995 Potrero Ave Bldg.80 Wd 86, Sfgh Aids - Php Clinic, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (415) 206-8676.

Ms Rosemary De Perez is licensed to practice in California (license number RN394241) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1114128386.

Contact Information

Ms Rosemary De Perez, NP MSN
995 Potrero Ave Bldg.80 Wd 86, Sfgh Aids - Php Clinic,
San Francisco, CA 94110
(415) 206-8676
(415) 502-4777

Map and Direction




Provider's Profile

Full NameMs Rosemary De Perez
GenderFemale
SpecialityRegistered Nurse - Ambulatory Care
Location995 Potrero Ave Bldg.80 Wd 86, 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: 1114128386
  • Provider Enumeration Date: 05/29/2007
  • Last Update Date: 09/11/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2264565241
  • Enrollment ID: I20100727000909

Medical Identifiers

Medical identifiers for Ms Rosemary De Perez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114128386NPI-NPPES
029470OtherSFGH INTERNAL USE ONLY-COMMERCIAL NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WP2201XRegistered Nurse - Ambulatory Care RN394241 (California)Primary
363LA2200XNurse Practitioner - Adult Health NPF4709 (California)Secondary

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. Ms Rosemary De Perez allows following entities to bill medicare on her behalf.
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760552343
PECOS PAC ID: 4284547274
Enrollment ID: O20031106000389
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861578973
PECOS PAC ID: 4486567229
Enrollment ID: O20031212000897

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. Ms Rosemary De Perez 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
Ms Rosemary De Perez, NP MSN
995 Potrero Ave Bldg.80 Wd 86, Sfgh Aids - Php Clinic,
San Francisco, CA 94110

Ph: (415) 206-8676		Ms Rosemary De Perez, NP MSN
995 Potrero Ave Bldg.80 Wd 86, Sfgh Aids - Php Clinic,
San Francisco, CA 94110

Ph: (415) 206-8676

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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