Ernest Lincoln Bonner, MD
Internal Medicine Physician · Alameda, CA
Ernest Lincoln Bonner, MD is an internal medicine physician with a practice address in Alameda, California, and NPI 1992785703, issued on Jan 18, 2006. Check the license (California A30477, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ernest Lincoln Bonner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A30477 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1406 Park St, Alameda, CA 94501
- Phone
- (810) 864-9600
- Enumerated
- Jan 18, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (510) 864-9690
- Medicaid ID
- 00A304771 CA
- Medicare enrollment
- Enrolled (PECOS I20061102000221); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Ernest Lincoln Bonner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A30477Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,513 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 269 claims were for opioids.
Most prescribed
- Oxycodone Hcl148 claims
- Omeprazole100 claims
- Gabapentin67 claims
- Levothyroxine Sodium65 claims
- Atorvastatin Calcium64 claims
- Hydrocodone-Acetaminophen63 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.
Ernest Lincoln Bonner among 17,696 internal medicine physician records in California
Ernest Lincoln Bonner, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1975 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
31 internal medicine physician records list a practice address in Alameda
They are 31 of the 2,492 NPPES records with a practice address in Alameda, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Alameda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lorraine Bonner, M.D.Alameda, CA 945011033188149
- Jenna Brimmer, M.D.Alameda, CA 945011295703775
- Joanne Dephillips, M.D.Alameda, CA 945011538137963
- Robbin Green-Yeh, DOAlameda, CA 945011740290329
- Jagmohan Khaira, M.D.Alameda, CA 945011801864988
- James Kong, M.D.Alameda, CA 945011366426470
- Elpidio Magalong, M.D.Alameda, CA 945011992773279
- Catherine PyunAlameda, CA 945011154390144
Common questions
What is Ernest Lincoln Bonner, MD's NPI number?
Ernest Lincoln Bonner, MD's National Provider Identifier (NPI) is 1992785703, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernest Lincoln Bonner, MD located?
The NPPES record lists a practice address at 1406 Park St, Alameda, CA, 94501. Phone: (810) 864-9600. Providers update this record themselves, so call before visiting.
How can I verify Ernest Lincoln Bonner, MD's license?
NPPES lists California license number A30477, 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 Ernest Lincoln Bonner, MD prescribe under Medicare Part D?
In 2024, Ernest Lincoln Bonner, MD had 1,513 Medicare Part D claims for 51 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.