NPPES file of Aug 9, 2026

Michael Sepulveda, MD

Internal Medicine Physician · San Juan Bautista, CA

Michael Sepulveda, MD is an internal medicine physician with a practice address in San Juan Bautista, California, and NPI 1164425757, issued on May 27, 2005. Check the license (California A64123, 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
1164425757
Name
Michael Sepulveda
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A64123 CA
Self-reported in NPPES; status is on the state search
Practice location
342 Via Vaquero Sur, San Juan Bautista, CA 95045
Phone
(831) 325-6459
Enumerated
May 27, 2005
Record last updated
Mar 24, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040417000231); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1996
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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Verify Michael Sepulveda in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64123
    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

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

230 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 34 claims were for opioids.

  1. Michael Sepulveda230
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium27 claims
  2. Losartan Potassium18 claims
  3. Amlodipine Besylate14 claims
  4. Morphine Sulfate Er11 claims
  5. Oxycodone Hcl11 claims
  6. Oxycodone-Acetaminophen11 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: $740.34

43 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Sepulveda$740.34
  2. Specialty average$1,303.06

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

2 hospitals and group practices

  1. Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospitals
  2. Svmhs ClinicsSalinas, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Michael Sepulveda among 17,696 internal medicine physician records in California

Michael Sepulveda, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1996 · median 2004 among the 11,065 with a school on file
  • Record last updated2015 · 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 internal medicine physician record lists a practice address in San Juan Bautista

They are 1 of the 13 NPPES records with a practice address in San Juan Bautista, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rand Barnard, MDSan Jose, CA 950461790866838
  2. Ki Cho, M.D.Santa Clara, CA 950501225122880
  3. Yoon Cho, M.D.Santa Clara, CA 950501447330394
  4. Hessam Noralahi, MDSanta Clara, CA 950501306875596
  5. Curtis Rollins, M.D., D.M.D.Santa Clara, CA 950501265548382
  6. Anthony Saglimbeni, M.D.Santa Clara, CA 950501922053776
  7. Khaliq Shah, M.D.Santa Clara, CA 950501568479327
  8. James Son, M.D.Santa Clara, CA 950501972535680

Common questions

What is Michael Sepulveda, MD's NPI number?

Michael Sepulveda, MD's National Provider Identifier (NPI) is 1164425757, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Sepulveda, MD located?

The NPPES record lists a practice address at 342 Via Vaquero Sur, San Juan Bautista, CA, 95045. Phone: (831) 325-6459. Providers update this record themselves, so call before visiting.

How can I verify Michael Sepulveda, MD's license?

NPPES lists California license number A64123, 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 Michael Sepulveda, MD prescribe under Medicare Part D?

In 2024, Michael Sepulveda, MD had 230 Medicare Part D claims for 63 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.