Jeffrey Barnum, MD
Hospitalist Physician · Monterey, CA
Jeffrey Barnum, MD is a hospitalist physician with a practice address in Monterey, California, and NPI 1912932211, issued on Jul 12, 2006. Check the license (California G27231, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Barnum
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- G27231 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23625 WR Holman Highway, Monterey, CA 93940
- Phone
- (831) 622-2708
- Enumerated
- Jul 12, 2006
- Record last updated
- Oct 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (831) 622-2709
- Medicaid ID
- 00G272310 CA
- Medicare enrollment
- Enrolled (PECOS I20061106000382); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1973
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 23625 WR Holman Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Barth, M.S., R.D., C.D.E.Registered Dietitian1902908205
- Ann Bispo, C.N.S., M.S.N., R.N.Psychiatric/Mental Health Clinical Nurse Specialist1073615381
- Alain Claudel, P.T.Physical Therapist1487700050
- John Ellison, M.D.Emergency Medicine Physician1093845943
- Jack English, M.D.Anatomic Pathology & Clinical Pathology Physician1982772414
- William Fithian, M.D.Psychiatry Physician1316001159
Verify Jeffrey Barnum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G27231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average hospitalist physician in 2024
104 Medicare Part D claims for 48 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone11 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.
The MIPS final score for 2023 (Medicare payment program): 87.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $574.66
8 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Monterey Hospitalist Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Barnum among 3,099 hospitalist physician records in California
Jeffrey Barnum, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1973 · median 2010 among the 2,505 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 hospitalist physician records list a practice address in Monterey
They are 30 of the 1,945 NPPES records with a practice address in Monterey, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Monterey → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Charles Bates, MDMonterey, CA 939401356411268
- Michael Davis, DOMonterey, CA 939401548259435
- David Eikenberry, MDMonterey, CA 939401679661409
- Sergio Garcia-Toledo, M.D.Monterey, CA 939401831329192
- Mikko Helenius, M.D.Monterey, CA 939401962431940
- Tanvir Khera, M.D.Monterey, CA 939401750598348
- Mitsuyo Kohama, M.D.Monterey, CA 939401013145267
- Michael Lawson, M.D.Monterey, CA 939401760579684
Common questions
What is Jeffrey Barnum, MD's NPI number?
Jeffrey Barnum, MD's National Provider Identifier (NPI) is 1912932211, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Barnum, MD located?
The NPPES record lists a practice address at 23625 WR Holman Highway, Monterey, CA, 93940. Phone: (831) 622-2708. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Barnum, MD's license?
NPPES lists California license number G27231, 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 Jeffrey Barnum, MD prescribe under Medicare Part D?
In 2024, Jeffrey Barnum, MD had 104 Medicare Part D claims for 48 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Jeffrey Barnum, MD's MIPS final score?
The 2023 MIPS final score is 87.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.