Jonathan B. C. Humphrey, M.D.
Family Medicine Physician · Danville, CA
Jonathan B. C. Humphrey, M.D. is a family medicine physician with a practice address in Danville, California, and NPI 1689644866, issued on Jan 23, 2006. Check the license (California G66292, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan B. C. Humphrey
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G66292 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4165 Blackhawk Plaza Cir, Danville, CA 94506
- Phone
- (925) 736-7070
- Enumerated
- Jan 23, 2006
- Record last updated
- Feb 7, 2025
- Fax
- (925) 736-7075
- Medicare enrollment
- Enrolled (PECOS I20080721000716); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4165 Blackhawk Plaza Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christine Chang, M.D.Internal Medicine Physician1770696056
- Chester Cheng, M.D.Plastic and Reconstructive Surgery Physician1497892640
Verify Jonathan B. C. Humphrey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66292Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average family medicine physician in 2024
11,480 Medicare Part D claims for 2,043 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 237 claims were for opioids.
Most prescribed
- Atorvastatin Calcium591 claims
- Levothyroxine Sodium493 claims
- Amlodipine Besylate413 claims
- Rosuvastatin Calcium411 claims
- Zolpidem Tartrate238 claims
- Gabapentin228 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: $3,610.18
155 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan B. C. Humphrey among 17,133 family medicine physician records in California
Jonathan B. C. Humphrey, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1989 · 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).
17 family medicine physician records list a practice address in Danville
They are 17 of the 897 NPPES records with a practice address in Danville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Danville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mallory Cless, MDDanville, CA 945061649847203
- Magdy Danial, MDDanville, CA 945061306865753
- Nathalie Michaud, M.D.Danville, CA 945061467460022
- John Roberts, M.D.Danville, CA 945061700856978
- Michael Schierman, M.D.Danville, CA 945061427128131
- Sheetal Shah, D.O.Danville, CA 945061861620072
- Matthew Swartz, DODanville, CA 945061497800916
- Cathrien Abdelnor, MDAlamo, CA 945071033783246
Common questions
What is Jonathan B. C. Humphrey, M.D.'s NPI number?
Jonathan B. C. Humphrey, M.D.'s National Provider Identifier (NPI) is 1689644866, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan B. C. Humphrey, M.D. located?
The NPPES record lists a practice address at 4165 Blackhawk Plaza Cir, Danville, CA, 94506. Phone: (925) 736-7070. Providers update this record themselves, so call before visiting.
How can I verify Jonathan B. C. Humphrey, M.D.'s license?
NPPES lists California license number G66292, 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 Jonathan B. C. Humphrey, M.D. prescribe under Medicare Part D?
In 2024, Jonathan B. C. Humphrey, M.D. had 11,480 Medicare Part D claims for 2,043 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jonathan B. C. Humphrey, M.D.'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.