Douglas Malcom Middleton, M.D.
Emergency Medicine Physician · San Diego, CA
Douglas Malcom Middleton, M.D. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1427138791, issued on Oct 17, 2006. Check the license (California C39843, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Douglas Malcom Middleton
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- C39843 CA
MD2005-0086 NM
F6954 TX
Self-reported in NPPES; status is on the state search - Practice location
- 10243 Genetic Center Dr, San Diego, CA 92121
- Phone
- (619) 446-1861
- Enumerated
- Oct 17, 2006
- Record last updated
- Oct 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 10243 Genetic Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eli BesserEmergency Medicine Physician1659843738
- Stanley Besser, M.D.Family Medicine Physician1760490031
Verify Douglas Malcom Middleton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C39843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
11 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Douglas Malcom Middleton among 7,751 emergency medicine physician records in California
Douglas Malcom Middleton, M.D. is one of 7,751 emergency 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2020 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Eli BesserSan Diego, CA 921211659843738
- Dennis Chan, M.D.San Diego, CA 921211366410912
- William Christiansen, M.D.San Diego, CA 921211831107952
- David Clark, M.D.San Diego, CA 921211225046196
- Gary Gluck, M.D.San Diego, CA 921211184603110
- Diane Gottschalk, M.D.San Diego, CA 921211376881078
- Khan Ha, M.D.San Diego, CA 921211184625212
- Eric Lovell, M.D.San Diego, CA 921211346240967
Common questions
What is Douglas Malcom Middleton, M.D.'s NPI number?
Douglas Malcom Middleton, M.D.'s National Provider Identifier (NPI) is 1427138791, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Malcom Middleton, M.D. located?
The NPPES record lists a practice address at 10243 Genetic Center Dr, San Diego, CA, 92121. Phone: (619) 446-1861. Providers update this record themselves, so call before visiting.
How can I verify Douglas Malcom Middleton, M.D.'s license?
NPPES lists California license number C39843, 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 Douglas Malcom Middleton, M.D. prescribe under Medicare Part D?
In 2024, Douglas Malcom Middleton, M.D. had 11 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.