Diane Barbara Harris, MD
Psychiatry Physician · Fountain Valley, CA
Diane Barbara Harris, MD is a psychiatry physician with a practice address in Fountain Valley, California, and NPI 1225041023, issued on Aug 14, 2006. Check the license (California G51414, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diane Barbara Harris
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G51414 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11770 Warner Avenue, Fountain Valley, CA 92708
- Phone
- (714) 967-0660
- Enumerated
- Aug 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080220000264); may accept Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Diane Barbara Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average psychiatry physician in 2024
614 Medicare Part D claims for 39 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Escitalopram Oxalate50 claims
- Alprazolam48 claims
- Zolpidem Tartrate42 claims
- Clonazepam40 claims
- Duloxetine Hcl39 claims
- Trazodone Hcl39 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.
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Diane Barbara Harris among 8,673 psychiatry physician records in California
Diane Barbara Harris, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1982 · median 2005 among the 3,295 with a school on file
- Record last updated2007 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Fountain Valley → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Samuel Albert, M.D.Fountain Valley, CA 927081649560137
- Gina Ferrara, MDFountain Valley, CA 927081164638201
- Renuka Patel, M.D.Fountain Valley, CA 927081104817147
- Craig Ross, M.D.Fountain Valley, CA 927081215928221
- Alexander TruongFountain Valley, CA 927081457918559
- William Young, M.D.Fountain Valley, CA 927081073537098
- Vijay Chandran, MD,RN,MBA.;Santa Ana, CA 927071801283692
- Sharon ChenSanta Ana, CA 927071417410713
Common questions
What is Diane Barbara Harris, MD's NPI number?
Diane Barbara Harris, MD's National Provider Identifier (NPI) is 1225041023, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Barbara Harris, MD located?
The NPPES record lists a practice address at 11770 Warner Avenue, Fountain Valley, CA, 92708. Phone: (714) 967-0660. Providers update this record themselves, so call before visiting.
How can I verify Diane Barbara Harris, MD's license?
NPPES lists California license number G51414, 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 Diane Barbara Harris, MD prescribe under Medicare Part D?
In 2024, Diane Barbara Harris, MD had 614 Medicare Part D claims for 39 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.