Owrang Dastmalchi, D.O.
Internal Medicine Physician · Laguna Hills, CA
Owrang Dastmalchi, D.O. is an internal medicine physician with a practice address in Laguna Hills, California, and NPI 1922049188, issued on Jun 9, 2006. Check the license (California 20A369, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Owrang Dastmalchi
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A369 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23141 Verdugo Dr Ste 201, Laguna Hills, CA 92653
- Phone
- (949) 215-5055
- Enumerated
- Jun 9, 2006
- Record last updated
- Jun 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20040903000273); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 23141 Verdugo Dr Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Owrang Dastmalchi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,158 Medicare Part D claims for 207 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Atorvastatin Calcium50 claims
- Tamsulosin Hcl48 claims
- Amlodipine Besylate41 claims
- Furosemide35 claims
- Eliquis34 claims
- Metoprolol Tartrate34 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: $123.86
1 payment: food and beverage; the largest payer was Shionogi Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Paloma IncareSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Owrang Dastmalchi among 17,696 internal medicine physician records in California
Owrang Dastmalchi, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 internal medicine physician records list a practice address in Laguna Hills
They are 56 of the 2,069 NPPES records with a practice address in Laguna Hills, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Laguna Hills → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ali Ghazvini, M.D.Laguna Hills, CA 926531104865153
- Brian HenryLaguna Hills, CA 926531629047824
- Robert Lazatin, M.D.Laguna Hills, CA 926531700865755
- Alan Lo, MDLaguna Hills, CA 926531982683637
- Lawrence Luppi, M.D.Laguna Hills, CA 926531952356727
Common questions
What is Owrang Dastmalchi, D.O.'s NPI number?
Owrang Dastmalchi, D.O.'s National Provider Identifier (NPI) is 1922049188, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Owrang Dastmalchi, D.O. located?
The NPPES record lists a practice address at 23141 Verdugo Dr Ste 201, Laguna Hills, CA, 92653. Phone: (949) 215-5055. Providers update this record themselves, so call before visiting.
How can I verify Owrang Dastmalchi, D.O.'s license?
NPPES lists California license number 20A369, 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 Owrang Dastmalchi, D.O. prescribe under Medicare Part D?
In 2024, Owrang Dastmalchi, D.O. had 1,158 Medicare Part D claims for 207 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.