Naiyar U. Zaman, MD MHA
Psychiatry Physician · Fairfield, CA
Naiyar U. Zaman, MD MHA is a psychiatry physician with a practice address in Fairfield, California, and NPI 1558383380, issued on Jul 24, 2006. Check the license (California A89682, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Naiyar U. Zaman
- Credential
- MD MHA
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A89682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 Chadbourne RD, Fairfield, CA 94534
- Phone
- (707) 366-3600
- Enumerated
- Jul 24, 2006
- Record last updated
- Mar 21, 2024
- Medicare enrollment
- Enrolled (PECOS I20100430000608); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 520 Chadbourne RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexus Broom, LMFTMarriage & Family Therapist1700357241
- Amanda Devane, PHDPsychologist1619689023
- Joya DhaliwalClinical Psychologist1306714720
- Kara Emery, PSY.D.Clinical Psychologist1164887949
- Hillary KingmanPsychologist1477128734
- Rachel Morton, PSYDPsychologist1053286575
Verify Naiyar U. Zaman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average psychiatry physician in 2024
284 Medicare Part D claims for 49 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Sertraline Hcl25 claims
- Trazodone Hcl23 claims
- Venlafaxine Hcl Er22 claims
- Aripiprazole19 claims
- Lamotrigine17 claims
- Invega Sustenna15 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.
Bills Medicare through one group practice
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Naiyar U. Zaman among 8,673 psychiatry physician records in California
Naiyar U. Zaman, MD MHA 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
- Graduated1993 · median 2005 among the 3,295 with a school on file
- Record last updated2024 · 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 Fairfield → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Brian Halevie-Goldman, M.D.Fairfield, CA 945341669694857
- Lester Ryan, M.D.Fairfield, CA 945341487716718
- Artoteles Tandinco, MDFairfield, CA 945341629147533
- Nataliya Ables, D.O.Travis Afb, CA 945351205102431
- Nicole Baker, M.D.Travis Afb, CA 945351689011462
- Steven Ciric, M.D.Fairfield, CA 945331679612626
- Jocelyn Cruz, MDFairfield, CA 945331033270400
- Homayoun Faghihi-Shirazi, M.D.Fairfield, CA 945331235244294
Common questions
What is Naiyar U. Zaman, MD MHA's NPI number?
Naiyar U. Zaman, MD MHA's National Provider Identifier (NPI) is 1558383380, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Naiyar U. Zaman, MD MHA located?
The NPPES record lists a practice address at 520 Chadbourne RD, Fairfield, CA, 94534. Phone: (707) 366-3600. Providers update this record themselves, so call before visiting.
How can I verify Naiyar U. Zaman, MD MHA's license?
NPPES lists California license number A89682, 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 Naiyar U. Zaman, MD MHA prescribe under Medicare Part D?
In 2024, Naiyar U. Zaman, MD MHA had 284 Medicare Part D claims for 49 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.