Edward Lenord Chamberlain, M.D.
Internal Medicine Physician · San Diego, CA
Edward Lenord Chamberlain, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1457336349, issued on Dec 13, 2005. Check the license (California C52191, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Edward Lenord Chamberlain
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C52191 CA
10193 NV
MD063953L PA
0101231184 VA
Self-reported in NPPES; status is on the state search - Practice location
- 5370 Toscana Way Apt H302, San Diego, CA 92122
- Phone
- (858) 457-1256
- Enumerated
- Dec 13, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Edward Lenord Chamberlain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C52191Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average internal medicine physician in 2024
5,918 Medicare Part D claims for 158 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium695 claims
- Lisinopril251 claims
- Gabapentin250 claims
- Tamsulosin Hcl245 claims
- Amlodipine Besylate221 claims
- Alendronate Sodium196 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.
Edward Lenord Chamberlain among 17,696 internal medicine physician records in California
Edward Lenord Chamberlain, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Roozbeh Badii, M.D.San Diego, CA 921221205023512
- Sruthi Buddai, MDSan Diego, CA 921221346985793
- Andrew-Huy Dang, MDSan Diego, CA 921221710560404
- Kenneth Doan, M.D.San Diego, CA 921221932119120
- Robert Fox, MDSan Diego, CA 921221740305432
- Andrew Greenspan, MDSan Diego, CA 921221629229281
- Daniel Grosu, M.D.San Diego, CA 921221316145295
- Anastasia Khadjinova, MDSan Diego, CA 921221396323952
Common questions
What is Edward Lenord Chamberlain, M.D.'s NPI number?
Edward Lenord Chamberlain, M.D.'s National Provider Identifier (NPI) is 1457336349, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edward Lenord Chamberlain, M.D. located?
The NPPES record lists a practice address at 5370 Toscana Way Apt H302, San Diego, CA, 92122. Phone: (858) 457-1256. Providers update this record themselves, so call before visiting.
How can I verify Edward Lenord Chamberlain, M.D.'s license?
NPPES lists California license number C52191, 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 Edward Lenord Chamberlain, M.D. prescribe under Medicare Part D?
In 2024, Edward Lenord Chamberlain, M.D. had 5,918 Medicare Part D claims for 158 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.