Debra S. London, M.D.
Psychiatry Physician · Ojai, CA
Debra S. London, M.D. is a psychiatry physician with a practice address in Ojai, California, and NPI 1437371960, issued on May 3, 2007. Check the license (California G88823, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Debra S. London
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- G88823 CA
MD27210 OR
MD-034871-E PA
Self-reported in NPPES; status is on the state search - Practice location
- 811 EL Camino RD, Ojai, CA 93023
- Phone
- (805) 272-8039
- Enumerated
- May 3, 2007
- Record last updated
- Dec 3, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Debra S. London in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G88823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average psychiatry physician in 2024
1,327 Medicare Part D claims for 51 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Quetiapine Fumarate172 claims
- Olanzapine124 claims
- Trazodone Hcl111 claims
- Aripiprazole70 claims
- Divalproex Sodium Er68 claims
- Mirtazapine66 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.
Debra S. London among 8,673 psychiatry physician records in California
Debra S. London, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 psychiatry physician records list a practice address in Ojai
They are 5 of the 271 NPPES records with a practice address in Ojai, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Ojai → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Margaret Coffey, MDOjai, CA 930231750480224
- John Nelson, M.D.Ojai, CA 930231083632061
- Lakshman Rasiah, MDOjai, CA 930231366523441
- Sharon WestOjai, CA 930231366074650
- Atman Reyes, MD INCMoorpark, CA 930211033228382
- Arjun Reyes, MDMoorpark, CA 930211194834424
- Brittney Diebold, D.O.Oxnard, CA 930331699201004
- Larry Lawrence, M.D.Oxnard, CA 930331528167061
Common questions
What is Debra S. London, M.D.'s NPI number?
Debra S. London, M.D.'s National Provider Identifier (NPI) is 1437371960, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Debra S. London, M.D. located?
The NPPES record lists a practice address at 811 EL Camino RD, Ojai, CA, 93023. Phone: (805) 272-8039. Providers update this record themselves, so call before visiting.
How can I verify Debra S. London, M.D.'s license?
NPPES lists California license number G88823, 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 Debra S. London, M.D. prescribe under Medicare Part D?
In 2024, Debra S. London, M.D. had 1,327 Medicare Part D claims for 51 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.