James Earl Pennington, M.D.
Infectious Disease Physician · Lafayette, CA
James Earl Pennington, M.D. is an infectious disease physician with a practice address in Lafayette, California, and NPI 1184962144, issued on Jan 26, 2013. Check the license (California G59543, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Earl Pennington
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- G59543 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4 Toledo Dr, Lafayette, CA 94549
- Phone
- (925) 899-5922
- Enumerated
- Jan 26, 2013
- Record last updated
- Jan 26, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (925) 283-7876
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify James Earl Pennington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Earl Pennington among 1,119 infectious disease physician records in California
James Earl Pennington, M.D. is one of 1,119 infectious disease 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 not. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,119 in California → Every provider in Lafayette → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Michael Ascher, M.D.Lafayette, CA 945491033427505
- Loretta Obrien, MDLivermore, CA 945501750379657
- Harkiran Grewal, MDCastro Valley, CA 945461790022416
- Steven Oppenheimer, MDCastro Valley, CA 945461962435396
- Thuy-Trang Dang, MDMartinez, CA 945531407871478
- Mark Finch, M.D.Hayward, CA 945451730248196
- Daniel Klein, MDHayward, CA 945451245318096
- Shobha Sharma, DOMartinez, CA 945531326118290
Common questions
What is James Earl Pennington, M.D.'s NPI number?
James Earl Pennington, M.D.'s National Provider Identifier (NPI) is 1184962144, issued on Jan 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is James Earl Pennington, M.D. located?
The NPPES record lists a practice address at 4 Toledo Dr, Lafayette, CA, 94549. Phone: (925) 899-5922. Providers update this record themselves, so call before visiting.
How can I verify James Earl Pennington, M.D.'s license?
NPPES lists California license number G59543, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.