NPPES file of Aug 9, 2026

Reza Bashtar

Hospitalist Physician · Irvine, CA

Reza Bashtar is a hospitalist physician with a practice address in Irvine, California, and NPI 1285868729, issued on May 12, 2009. Check the license (California A119388, 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
1285868729
Name
Reza Bashtar
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
A119388 CA
2019042451 MO
Self-reported in NPPES; status is on the state search
Practice location
13204 Telmo, Irvine, CA 92618
Phone
(858) 208-6550
Enumerated
May 12, 2009
Record last updated
Dec 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130802000332); 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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Verify Reza Bashtar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119388
    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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1% more Medicare Part D claims than the average hospitalist physician in 2024

525 Medicare Part D claims for 205 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Reza Bashtar525
  2. Specialty average521

Most prescribed

  1. Pantoprazole Sodium55 claims
  2. Eliquis28 claims
  3. Atorvastatin Calcium27 claims
  4. Amoxicillin-Clavulanate Potass26 claims
  5. Cefuroxime25 claims
  6. Furosemide21 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: $429.39

8 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Reza Bashtar$429.39
  2. Specialty average$494.84

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

Bills Medicare through 2 group practices

  1. County OF Santa ClaraSan Jose, CA
  2. Hospitalists OF Modesto Medical Group IncModesto, CA

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

Reza Bashtar among 3,099 hospitalist physician records in California

Reza Bashtar is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 39% of them.

  • NPI issued2009 · 39% of these records are older, 56% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2004 · median 2010 among the 2,505 with a school on file
  • Record last updated2019 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Ali Ahoui, MDIrvine, CA 926181093964769
  2. Robert Cho, M.D.Irvine, CA 926181760578512
  3. Scott Derkum, MDIrvine, CA 926181588660849
  4. John Dieckhoff, M.D.Irvine, CA 926181700068152
  5. Veejay Geria, M.D.Irvine, CA 926181821193467
  6. Derrick Hong, M.DIrvine, CA 926181124040696
  7. Nam Kim, MDIrvine, CA 926181861572513
  8. Ewa Kontny, M.D.Irvine, CA 926181598916587

Common questions

What is Reza Bashtar's NPI number?

Reza Bashtar's National Provider Identifier (NPI) is 1285868729, issued on May 12, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Reza Bashtar located?

The NPPES record lists a practice address at 13204 Telmo, Irvine, CA, 92618. Phone: (858) 208-6550. Providers update this record themselves, so call before visiting.

How can I verify Reza Bashtar's license?

NPPES lists California license number A119388, 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 Reza Bashtar prescribe under Medicare Part D?

In 2024, Reza Bashtar had 525 Medicare Part D claims for 205 beneficiaries; the average among hospitalist physician prescribers was 521. 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.