NPPES file of Aug 9, 2026

Roya Noorishad, MD

Psychiatry Physician · Antioch, CA

Roya Noorishad, MD is a psychiatry physician with a practice address in Antioch, California, and NPI 1790195634, issued on Apr 30, 2014. Check the license (California A144804, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790195634
Name
Roya Noorishad
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A144804 CA
Self-reported in NPPES; status is on the state search
Practice location
3454 Hillcrest Ave, Antioch, CA 94531
Phone
(925) 777-6300
Enumerated
Apr 30, 2014
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190208002123); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3454 Hillcrest Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha Aguilar, PSYDClinical Psychologist1467310151
  2. Melanie Akalal, M.D.Psychiatry Physician1386723971
  3. Arwin Angelae Cotas-Girard, PSY.D.Clinical Psychologist1649539503
  4. Jared Cozen, LMHCClinical Psychologist1235206806
  5. Natalia Diavatis, PSYDClinical Psychologist1316647027
  6. Staci Digioia, PSY.D.Clinical Psychologist1558709600

Verify Roya Noorishad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A144804
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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18% more Medicare Part D claims than the average psychiatry physician in 2024

1,183 Medicare Part D claims for 122 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Roya Noorishad1,183
  2. Specialty average1,000

Most prescribed

  1. Quetiapine Fumarate79 claims
  2. Trazodone Hcl69 claims
  3. Buspirone Hcl61 claims
  4. Duloxetine Hcl51 claims
  5. Divalproex Sodium49 claims
  6. Escitalopram Oxalate44 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

  1. Permanente Medical Group IncOakland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Roya Noorishad among 8,673 psychiatry physician records in California

Roya Noorishad, 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2014 · median 2005 among the 3,295 with a school on file
  • Record last updated2021 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Melanie Akalal, M.D.Antioch, CA 945311386723971
  2. Li Lan, M.D.Antioch, CA 945311366683112
  3. Ronald Leon, M.D.Antioch, CA 945311467418830
  4. Christine Lim, M.D.Antioch, CA 945311639321771
  5. Nnennaya Nwokeji, M.D.Antioch, CA 945311366737652
  6. Michael Rogers, M.D.El Cerrito, CA 945301891085510
  7. Jocelyn Cruz, MDFairfield, CA 945331033270400
  8. Homayoun Faghihi-Shirazi, M.D.Fairfield, CA 945331235244294

Common questions

What is Roya Noorishad, MD's NPI number?

Roya Noorishad, MD's National Provider Identifier (NPI) is 1790195634, issued on Apr 30, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Roya Noorishad, MD located?

The NPPES record lists a practice address at 3454 Hillcrest Ave, Antioch, CA, 94531. Phone: (925) 777-6300. Providers update this record themselves, so call before visiting.

How can I verify Roya Noorishad, MD's license?

NPPES lists California license number A144804, 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 Roya Noorishad, MD prescribe under Medicare Part D?

In 2024, Roya Noorishad, MD had 1,183 Medicare Part D claims for 122 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.