NPPES file of Aug 9, 2026

John Henson Rivera Caparas, DO

Family Medicine Physician · Pinole, CA

John Henson Rivera Caparas, DO is a family medicine physician with a practice address in Pinole, California, and NPI 1962730002, issued on Dec 1, 2009. Check the license (California 20A20979, 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
1962730002
Name
John Henson Rivera Caparas
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A20979 CA
Self-reported in NPPES; status is on the state search
Practice location
1301 Pinole Valley RD, Pinole, CA 94564
Phone
(510) 243-4000
Enumerated
Dec 1, 2009
Record last updated
Jun 12, 2025
Medicare enrollment
Enrolled (PECOS I20230828003714); accepts Medicare assignment
Medical or professional school
Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2020
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 1301 Pinole Valley RD

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

  1. Maihan Amiryar, M.D.Family Medicine Physician1427298199
  2. Caleb Arthur, MDFamily Medicine Physician1518583301
  3. Joann Cheung, PHARMDPharmacotherapy Pharmacist1639106339
  4. Christine ChoiPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1265725618
  5. Preeti Dave, MDPediatrics Physician1619242708
  6. Jessamine Faustino-Wong, MDPediatrics Physician1134582265

Verify John Henson Rivera Caparas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A20979
    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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48% fewer Medicare Part D claims than the average family medicine physician in 2024

1,831 Medicare Part D claims for 400 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 31 claims were for opioids.

  1. John Henson Caparas1,831
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium195 claims
  2. Losartan Potassium107 claims
  3. Albuterol Sulfate Hfa70 claims
  4. Amlodipine Besylate66 claims
  5. Levothyroxine Sodium60 claims
  6. Tamsulosin Hcl57 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 IncSouth San Francisco, CA

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

John Henson Rivera Caparas among 17,133 family medicine physician records in California

John Henson Rivera Caparas, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2020 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 family medicine physician records list a practice address in Pinole

They are 13 of the 370 NPPES records with a practice address in Pinole, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Maihan Amiryar, M.D.Pinole, CA 945641427298199
  2. Elizabeth Anthony, MDPinole, CA 945641164441663
  3. Caleb Arthur, MDPinole, CA 945641518583301
  4. Elizabeth Casey, DOPinole, CA 945641295231314
  5. Miriam Dunham, MDPinole, CA 945641306026505
  6. Faith Cheryle Merino, MDPinole, CA 945641144515792
  7. Arwen Mohr, M.D.Pinole, CA 945641740311885
  8. Patricia Oconnor, M.D.Pinole, CA 945641720006380

Common questions

What is John Henson Rivera Caparas, DO's NPI number?

John Henson Rivera Caparas, DO's National Provider Identifier (NPI) is 1962730002, issued on Dec 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is John Henson Rivera Caparas, DO located?

The NPPES record lists a practice address at 1301 Pinole Valley RD, Pinole, CA, 94564. Phone: (510) 243-4000. Providers update this record themselves, so call before visiting.

How can I verify John Henson Rivera Caparas, DO's license?

NPPES lists California license number 20A20979, 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 John Henson Rivera Caparas, DO prescribe under Medicare Part D?

In 2024, John Henson Rivera Caparas, DO had 1,831 Medicare Part D claims for 400 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.