Lorna R Thomson, MD - Medicare Internal Medicine in San Francisco, CA

Lorna R Thomson, MD is a medicare enrolled "Hospitalist" physician in San Francisco, California. She went to Northwestern University Feinberg Medical School and graduated in 1998 and has 26 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 2200 Ofarrell St, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (415) 833-2000.

Lorna R Thomson is licensed to practice in California (license number A71823) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1972681591.

Contact Information

Lorna R Thomson, MD
2200 Ofarrell St,
San Francisco, CA 94115-3357
(415) 833-2000
Not Available

Map and Direction




Physician's Profile

Full NameLorna R Thomson
GenderFemale
SpecialityInternal Medicine
Experience26 Years
Location2200 Ofarrell St, San Francisco, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Lorna R Thomson attended and graduated from Northwestern University Feinberg Medical School in 1998
  NPI Data:
  • NPI Number: 1972681591
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9335335645
  • Enrollment ID: I20101129001011

Medical Identifiers

Medical identifiers for Lorna R Thomson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972681591NPI-NPPES
00A718230MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A71823 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - San FranciscoSan francisco, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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. Lorna R Thomson allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Lorna R Thomson 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
Lorna R Thomson, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Lorna R Thomson, MD
2200 Ofarrell St,
San Francisco, CA 94115-3357

Ph: (415) 833-2000

Reviews and Comments


Hospitalist Doctors in San Francisco, CA

Elizabeth A. Andrews, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2200 Ofarrell St, San Francisco, CA 94115
Phone: 415-833-2000    
Yu-chen Hu, M.D.
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Medicare: Accepting Medicare Assignments
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James Harding,
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Phone: 925-389-6906    
Deborah Chiarucci, MD
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Medicare: Medicare Enrolled
Practice Location: 2200 Ofarrell St, San Francisco, CA 94115
Phone: 415-833-2000    
Dr. Sneha Kemkar,
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 3700 California St, San Francisco, CA 94118
Phone: 423-309-6170    
Dr. Fiona Henderson,
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Medicare: Medicare Enrolled
Practice Location: 3555 Cesar Chavez Street, San Francisco, CA 94110
Phone: 415-647-8600    Fax: 415-641-6823
Todd A. Levine, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2200 Ofarrell St, San Francisco, CA 94115
Phone: 415-833-2000    

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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