Gregory Dean Jenkins, M.D.
Family Medicine Physician · Newhall, CA
Gregory Dean Jenkins, M.D. is a family medicine physician with a practice address in Newhall, California, and NPI 1215018502, issued on Oct 17, 2006. Check the license (California A40935, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Dean Jenkins
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A40935 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24355 Lyons Ave, Newhall, CA 91321
- Phone
- (661) 255-9440
- Enumerated
- Oct 17, 2006
- Record last updated
- Aug 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (661) 255-7591
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
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Verify Gregory Dean Jenkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A40935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family medicine physician in 2024
1,428 Medicare Part D claims for 212 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Atorvastatin Calcium80 claims
- Levothyroxine Sodium79 claims
- Amlodipine Besylate76 claims
- Rosuvastatin Calcium62 claims
- Lisinopril47 claims
- Losartan Potassium45 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.
Gregory Dean Jenkins among 17,133 family medicine physician records in California
Gregory Dean Jenkins, 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 fileNo · 62% of these records are
- Record last updated2010 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Newhall → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Vaheh Shirvanian, M.D.Santa Clarita, CA 913211467862920
- Phet Yoon Tejavanija, M.D.Newhall, CA 913211578554986
- Nicola Azar, M.D.Thousand Oaks, CA 913201922259787
- Donald Chen, M.D.Newbury Park, CA 913201659432268
- Anjani Hagan, MDNewbury Park, CA 913201043873185
- Angela Sepulveda Velez, MDNewbury Park, CA 913201922505494
- Donnelly WilkesNewbury Park, CA 913201033111836
- Albert Askarinam, M.D.Northridge, CA 913241346305422
Common questions
What is Gregory Dean Jenkins, M.D.'s NPI number?
Gregory Dean Jenkins, M.D.'s National Provider Identifier (NPI) is 1215018502, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Dean Jenkins, M.D. located?
The NPPES record lists a practice address at 24355 Lyons Ave, Newhall, CA, 91321. Phone: (661) 255-9440. Providers update this record themselves, so call before visiting.
How can I verify Gregory Dean Jenkins, M.D.'s license?
NPPES lists California license number A40935, 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 Gregory Dean Jenkins, M.D. prescribe under Medicare Part D?
In 2024, Gregory Dean Jenkins, M.D. had 1,428 Medicare Part D claims for 212 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.