NPPES file of Aug 9, 2026

Nastran Hashemi, M.D.

Internal Medicine Physician · Valencia, CA

Nastran Hashemi, M.D. is an internal medicine physician with a practice address in Valencia, California, and NPI 1891009163, issued on Jul 29, 2010. Check the license (California A118407, 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
1891009163
Name
Nastran Hashemi
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A118407 CA
Self-reported in NPPES; status is on the state search
Practice location
23838 Valencia Blvd Ste 304, Valencia, CA 91355
Phone
(310) 954-7740
Enumerated
Jul 29, 2010
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20170728001410); accepts Medicare assignment
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 23838 Valencia Blvd Ste 304

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

  1. Catalin Nicola, M.D., PH.D.Pulmonary Disease Physician1558519470
  2. Mostafa Tabassomi, MDPulmonary Disease Physician1003042342

Verify Nastran Hashemi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A118407
    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

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81% more Medicare Part D claims than the average internal medicine physician in 2024

5,745 Medicare Part D claims for 365 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 178 claims were for opioids.

  1. Nastran Hashemi5,745
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium321 claims
  2. Gabapentin201 claims
  3. Metformin Hcl167 claims
  4. Pantoprazole Sodium142 claims
  5. Amlodipine Besylate133 claims
  6. Eliquis133 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: $500.78

11 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.

  1. Nastran Hashemi$500.78
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nastran Hashemi among 17,696 internal medicine physician records in California

Nastran Hashemi, M.D. 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2003 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 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).

38 internal medicine physician records list a practice address in Valencia

They are 38 of the 2,083 NPPES records with a practice address in Valencia, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Christopher Avelino, MDValencia, CA 913551649298738
  2. David Campa, M.D.Valencia, CA 913551639170228
  3. Arousha Davatgarzadeh, M.D.Valencia, CA 913551033213111
  4. Lakhbinder Dhanda, M.D.Valencia, CA 913551104867555
  5. Eugene Dorio, M.D.Valencia, CA 913551912956434
  6. Eric Fernandez, M.D.Valencia, CA 913551326052887
  7. Bhuvaneswari Gowthaman, M.D.Valencia, CA 913551467435107
  8. Clement Kim, M.D.Valencia, CA 913551558474262

Common questions

What is Nastran Hashemi, M.D.'s NPI number?

Nastran Hashemi, M.D.'s National Provider Identifier (NPI) is 1891009163, issued on Jul 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nastran Hashemi, M.D. located?

The NPPES record lists a practice address at 23838 Valencia Blvd Ste 304, Valencia, CA, 91355. Phone: (310) 954-7740. Providers update this record themselves, so call before visiting.

How can I verify Nastran Hashemi, M.D.'s license?

NPPES lists California license number A118407, 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 Nastran Hashemi, M.D. prescribe under Medicare Part D?

In 2024, Nastran Hashemi, M.D. had 5,745 Medicare Part D claims for 365 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.