NPPES file of Aug 9, 2026

Stephanie Rennke, MD

Internal Medicine Physician · San Francisco, CA

Stephanie Rennke, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1770520884, issued on May 31, 2006. Check the license (California A90616, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770520884
Name
Stephanie Rennke
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A90616 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 Divisadero St, San Francisco, CA 94115
Phone
(415) 885-3724
Enumerated
May 31, 2006
Record last updated
Jun 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(415) 885-3727
Medicaid ID
00A906160 CA
Medicare enrollment
Enrolled (PECOS I20051208000487); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1600 Divisadero St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Betsy Althaus, PHARM.D.Pharmacist1366650657
  2. Mehrdad Arjomandi, MDCritical Care Medicine (Internal Medicine) Physician1912951153
  3. Chloe Atreya, MD, PHDMedical Oncology Physician1326058777
  4. Ronald Balassanian, MDAnatomic Pathology & Clinical Pathology Physician1043282379
  5. Christopher Benz, M.D.Medical Oncology Physician1457381014
  6. Emily Bergsland, MDMedical Oncology Physician1295792729

Verify Stephanie Rennke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A90616
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

195 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Stephanie Rennke195
  2. Specialty average3,176

Most prescribed

  1. Prednisone14 claims
  2. Darunavir11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephanie Rennke among 17,696 internal medicine physician records in California

Stephanie Rennke, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2000 · median 2004 among the 11,065 with a school on file
  • Record last updated2008 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,318 internal medicine physician records list a practice address in San Francisco

They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gary Arsham, M.D.San Francisco, CA 941151487646758
  2. Richard Caplin, M.D.San Francisco, CA 941151568443455
  3. C Cooney, M.D.San Francisco, CA 941151255332094
  4. Sarita Dubey, MDSan Francisco, CA 941151316905466
  5. Meredith Heller, M.D.San Francisco, CA 941151073562096
  6. Alan Leung, MDSan Francisco, CA 941151245222330
  7. Susan Nguyen, MDSan Francisco, CA 941151164470696
  8. Daniel Null, MDSan Francisco, CA 941151689638744

Common questions

What is Stephanie Rennke, MD's NPI number?

Stephanie Rennke, MD's National Provider Identifier (NPI) is 1770520884, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Rennke, MD located?

The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94115. Phone: (415) 885-3724. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Rennke, MD's license?

NPPES lists California license number A90616, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephanie Rennke, MD prescribe under Medicare Part D?

In 2024, Stephanie Rennke, MD had 195 Medicare Part D claims for 48 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.