Shilpa Diwan, M.D, M.P.H
Psychiatry Physician · Irvine, CA
Shilpa Diwan, M.D, M.P.H is a psychiatry physician with a practice address in Irvine, California, and NPI 1942457999, issued on Aug 21, 2008. Check the license (California C134348, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shilpa Diwan
- Credential
- M.D, M.P.H
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C134348 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19772 Macarthur Blvd Ste 220, Irvine, CA 92612
- Phone
- (949) 304-6727
- Enumerated
- Aug 21, 2008
- Record last updated
- Jun 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (949) 312-5638
- Medicare enrollment
- Enrolled (PECOS I20150709002687); 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 19772 Macarthur Blvd Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victoria AgeeChild & Adolescent Psychiatry Physician1659900306
- Karlayren Rojo-Chand, LPCCProfessional Counselor1922686591
- Adeline Sadipe, PA-CPhysician Assistant1942062757
Verify Shilpa Diwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C134348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average psychiatry physician in 2024
1,470 Medicare Part D claims for 150 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Sertraline Hcl185 claims
- Mirtazapine145 claims
- Trazodone Hcl111 claims
- Duloxetine Hcl104 claims
- Bupropion Xl100 claims
- Escitalopram Oxalate86 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: $443.03
21 payments; by number, the most common kind was 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.
Bills Medicare through one group practice
- Shilpa Diwan MD IncIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shilpa Diwan among 8,673 psychiatry physician records in California
Shilpa Diwan, M.D, M.P.H 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2000 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 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).
54 psychiatry physician records list a practice address in Irvine
They are 54 of the 7,778 NPPES records with a practice address in Irvine, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Irvine → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Bahman Amadi, M.D.Irvine, CA 926121346660925
- Arde Anoshivani, M.D.Irvine, CA 926121396845186
- Gezelle Azar, M.D.Irvine, CA 926121861954687
- Yujuan Choy, MDIrvine, CA 926121750467148
- Roula Creighton, M.D.Irvine, CA 926121821142373
- Laurence Greenberg, MDIrvine, CA 926121831390103
- Kiefer GreenspanIrvine, CA 926121629573464
- Parisa Hashemi, DOIrvine, CA 926121013410588
Common questions
What is Shilpa Diwan, M.D, M.P.H's NPI number?
Shilpa Diwan, M.D, M.P.H's National Provider Identifier (NPI) is 1942457999, issued on Aug 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Shilpa Diwan, M.D, M.P.H located?
The NPPES record lists a practice address at 19772 Macarthur Blvd Ste 220, Irvine, CA, 92612. Phone: (949) 304-6727. Providers update this record themselves, so call before visiting.
How can I verify Shilpa Diwan, M.D, M.P.H's license?
NPPES lists California license number C134348, 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 Shilpa Diwan, M.D, M.P.H prescribe under Medicare Part D?
In 2024, Shilpa Diwan, M.D, M.P.H had 1,470 Medicare Part D claims for 150 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.