NPPES file of Aug 9, 2026

Eric O. Eisemon, MD

Orthopaedic Surgery Physician · Oakland, CA

Eric O. Eisemon, MD is an orthopaedic surgery physician with a practice address in Oakland, California, and NPI 1093988974, issued on Apr 10, 2008. Check the license (California A131741, 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
1093988974
Name
Eric O. Eisemon
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A131741 CA
Self-reported in NPPES; status is on the state search
Practice location
275 W Macarthur Blvd, Oakland, CA 94611
Phone
(510) 752-1000
Enumerated
Apr 10, 2008
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
46516874164487674198 NY
Medicare enrollment
Enrolled (PECOS I20141113000004); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 275 W Macarthur Blvd

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

  1. David Aaronson, MDUrology Physician1215053129
  2. Paul-Andre Abboud, M.D.Emergency Medicine Physician1710065503
  3. Brittany Abeldt, MDPsychiatry Physician1982353884
  4. Bilal Abu-Alrub, DOStudent in an Organized Health Care Education/Training Program1609760768
  5. Walter Acuna, MDInternal Medicine Physician1972655108
  6. Brett Adams, MDStudent in an Organized Health Care Education/Training Program1841731098

Verify Eric O. Eisemon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A131741
    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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59% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

142 Medicare Part D claims for 81 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 62 claims were for opioids.

  1. Eric Eisemon142
  2. Specialty average346

Most prescribed

  1. Oxycodone Hcl30 claims
  2. Amoxicillin19 claims
  3. Meloxicam19 claims
  4. Hydrocodone-Acetaminophen13 claims
  5. Hydromorphone Hcl12 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. Permanente Medical Group IncOakland, CA

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

Eric O. Eisemon among 2,276 orthopaedic surgery physician records in California

Eric O. Eisemon, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.

  • NPI issued2008 · 65% of these records are older, 31% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2005 · median 2003 among the 1,347 with a school on file
  • Record last updated2021 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Thomas Barber, MDOakland, CA 946111760560569
  2. Stefano Bini, MDOakland, CA 946111619055415
  3. Robert Burri, MDOakland, CA 946111861570467
  4. John Cummins, MDOakland, CA 946111558449322
  5. Joshua Hatch, MDOakland, CA 946111881772689
  6. Robert Hoffman, MDOakland, CA 946111699854398
  7. Todd Lincoln, MDOakland, CA 946111245318021
  8. Kamran Majid, MDOakland, CA 946111528266178

Common questions

What is Eric O. Eisemon, MD's NPI number?

Eric O. Eisemon, MD's National Provider Identifier (NPI) is 1093988974, issued on Apr 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Eric O. Eisemon, MD located?

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

How can I verify Eric O. Eisemon, MD's license?

NPPES lists California license number A131741, 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 O. Eisemon, MD prescribe under Medicare Part D?

In 2024, Eric O. Eisemon, MD had 142 Medicare Part D claims for 81 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.