Dr Patrick Treseler, MD - Medicare Pathology in San Francisco, CA

Dr Patrick Treseler, MD is a medicare enrolled "Pathology - Hematology" physician in San Francisco, California. His current practice location is 505 Parnassus Ave, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 514-1641.

Dr Patrick Treseler is licensed to practice in California (license number G80895) 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 1801847181.

Contact Information

Dr Patrick Treseler, MD
505 Parnassus Ave,
San Francisco, CA 94143-2204
(415) 514-1641
(415) 353-1200

Map and Direction




Physician's Profile

Full NameDr Patrick Treseler
GenderMale
SpecialityPathology - Hematology
Location505 Parnassus 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: 1801847181
  • Provider Enumeration Date: 05/12/2006
  • Last Update Date: 07/22/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 0042395758
  • Enrollment ID: I20080305000385

Medical Identifiers

Medical identifiers for Dr Patrick Treseler such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801847181NPI-NPPES
00G808950MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZH0000XPathology - Hematology G80895 (California)Primary
207ZP0104XPathology - Chemical Pathology G80895 (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. Dr Patrick Treseler allows following entities to bill medicare on his behalf.
Entity NameContra Costa Pathology Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437211646
PECOS PAC ID: 6608893128
Enrollment ID: O20051024001172

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 Patrick Treseler 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 Patrick Treseler, MD
1635 Divisadero St, Ste 625, Box 1821,
San Francisco, CA 94143-0001

Ph: () -
Dr Patrick Treseler, MD
505 Parnassus Ave,
San Francisco, CA 94143-2204

Ph: (415) 514-1641

Reviews and Comments


Pathology Doctors in San Francisco, CA

Dr. Elliott Scott Seeley, M.D., PH.D.
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Phone: 415-600-2200    Fax: 415-750-5001
Karthik A Ganapathi, MD, PHD
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Dr. Scott R. Vandenberg, MD
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Practice Location: 513 Parnassus Ave, San Francisco, CA 94143
Phone: 415-502-7796    Fax: 415-476-1963
Ronald Balassanian, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1600 Divisadero St, Ucsf/mt. Zion Medical Center, Room 200 Fna Clinic, San Francisco, CA 94115
Phone: 415-514-6642    Fax: 415-353-7676

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.