NPPES file of Aug 9, 2026

Michael John Geske, M.D.

Student in an Organized Health Care Education/Training Program · San Francisco, CA

Michael John Geske, M.D. is a student in an organized health care education/training program with a practice address in San Francisco, California, and NPI 1619294220, issued on Apr 23, 2010. Check the license with the California board that licenses this profession; 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
1619294220
Name
Michael John Geske
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
513 Parnassus Ave # 321, San Francisco, CA 94143
Phone
(415) 476-1239
Enumerated
Apr 23, 2010
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140716002753); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2010
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 513 Parnassus Ave # 321

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

  1. John FaragStudent in an Organized Health Care Education/Training Program1467912154
  2. Jennifer Howell-Clark, MDStudent in an Organized Health Care Education/Training Program1215875661
  3. Lucy Kornblith, MDSurgery Physician1942536727
  4. Patience OdeleStudent in an Organized Health Care Education/Training Program1861717803
  5. Schneider Rancy, MDStudent in an Organized Health Care Education/Training Program1639758378
  6. David Tsung, M.D.Surgery Physician1609036250

Verify Michael John Geske in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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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3.3 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

614 Medicare Part D claims for 205 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Michael Geske614
  2. Specialty average185

Most prescribed

  1. Prednisolone Acetate120 claims
  2. Latanoprost98 claims
  3. Fluorometholone75 claims
  4. Cyclosporine51 claims
  5. Dorzolamide-Timolol41 claims
  6. Timolol Maleate32 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.

Industry payments in 2024: $160.26

3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Geske$160.26
  2. Specialty average$608.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncOakland, CA

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

Michael John Geske among 40,652 student in an organized health care education/training program records in California

Michael John Geske, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 3% of them.

  • NPI issued2010 · 3% of these records are older, 96% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2010 · median 2017 among the 2,409 with a school on file
  • Record last updated2021 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,035 student in an organized health care education/training program records list a practice address in San Francisco

They are 3,035 of the 38,143 NPPES records with a practice address in San Francisco, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Andrew Bellinger, M.D., PH.D.San Francisco, CA 941431831327402
  2. Molly Burnett, MDSan Francisco, CA 941431619107638
  3. Sheila Chan, M.D.San Francisco, CA 941431487895793
  4. Fred Chen, M.D.San Francisco, CA 941431932390325
  5. Jeffrey Ghassemi, M.D., M.P.H.San Francisco, CA 941431972746253
  6. Vasantha Jotwani, M.D.San Francisco, CA 941431043448996
  7. Vy-Van Le, MDSan Francisco, CA 941431265661136
  8. Katherine Naidu, M.D.San Francisco, CA 941431265668115

Common questions

What is Michael John Geske, M.D.'s NPI number?

Michael John Geske, M.D.'s National Provider Identifier (NPI) is 1619294220, issued on Apr 23, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Michael John Geske, M.D. located?

The NPPES record lists a practice address at 513 Parnassus Ave # 321, San Francisco, CA, 94143. Phone: (415) 476-1239. Providers update this record themselves, so call before visiting.

How can I verify Michael John Geske, M.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Michael John Geske, M.D. prescribe under Medicare Part D?

In 2024, Michael John Geske, M.D. had 614 Medicare Part D claims for 205 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.