NPPES file of Aug 9, 2026

Eric Lipsitt, MD

Internal Medicine Physician · Oakland, CA

Eric Lipsitt, MD is an internal medicine physician with a practice address in Oakland, California, and NPI 1174601975, issued on Nov 1, 2006. Check the license (California G59139, 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
1174601975
Name
Eric Lipsitt
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G59139 CA
Self-reported in NPPES; status is on the state search
Practice location
275 W Macarthur, Oakland, CA 94611
Phone
(510) 752-1000
Enumerated
Nov 1, 2006
Record last updated
Oct 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid ID
00G591390 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 275 W Macarthur

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

  1. Aalia Akber, MDPediatric Nephrology Physician1790050193
  2. Garrick Amgott-Kwan, MDNeurology Physician1295813061
  3. Terry Anderson, MDCardiovascular Disease Physician1912085705
  4. Richard Aptaker, DOPhysical Medicine & Rehabilitation Physician1962580761
  5. Leslie Aria, PHDHealth Psychologist1194879528
  6. Michele Arnold, MDAnesthesiology Physician1851525083

Verify Eric Lipsitt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G59139
    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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100% fewer Medicare Part D claims than the average internal medicine physician in 2024

11 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Eric Lipsitt11
  2. Specialty average3,176

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.

Eric Lipsitt among 17,696 internal medicine physician records in California

Eric Lipsitt, 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 fileNo · 63% of these records are
  • Record last updated2014 · 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).

432 internal medicine physician records list a practice address in Oakland

They are 432 of the 18,558 NPPES records with a practice address in Oakland, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Baudendistel, MDOakland, CA 946111801820436
  2. Rachel Canning, MDOakland, CA 946111386657609
  3. Howard Chang, MDOakland, CA 946111700845336
  4. Roopal Desai, MDOakland, CA 946111699861484
  5. Matthew Frankel, M.D., M.B.AOakland, CA 946111568542405
  6. Thomas Hackford, M.D.Oakland, CA 946111972598639
  7. Jacqueline Kiang, MDOakland, CA 946111376506600
  8. Katherine McLane, MDOakland, CA 946111447270186

Common questions

What is Eric Lipsitt, MD's NPI number?

Eric Lipsitt, MD's National Provider Identifier (NPI) is 1174601975, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric Lipsitt, MD located?

The NPPES record lists a practice address at 275 W Macarthur, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.

How can I verify Eric Lipsitt, MD's license?

NPPES lists California license number G59139, 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 Eric Lipsitt, MD prescribe under Medicare Part D?

In 2024, Eric Lipsitt, MD had 11 Medicare Part D claims for 11 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.