NPPES file of Aug 9, 2026

Arbi Khodadadi, M.D.

Infectious Disease Physician · Pasadena, CA

Arbi Khodadadi, M.D. is an infectious disease physician with a practice address in Pasadena, California, and NPI 1730271099, issued on Sep 28, 2006. Check the license (California A83304, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730271099
Name
Arbi Khodadadi
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
A83304 CA
Self-reported in NPPES; status is on the state search
Practice location
959 E Walnut St, Pasadena, CA 91106
Phone
(626) 304-0782
Enumerated
Sep 28, 2006
Record last updated
Apr 19, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(626) 795-8603
Medicare enrollment
Enrolled (PECOS I20040728001661); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2001
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 959 E Walnut St

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

  1. Brian Adams, P.T.Physical Therapist1356885586
  2. John Carmody, M.D.Pulmonary Disease Physician1598732448
  3. Elaine Eaton, PHDPsychologist1174552160
  4. Anthony Koerner, M.D.Internal Medicine Physician1487620357
  5. Donald Kroe, M.D.Pulmonary Disease Physician1811963762
  6. Erik Landswick, MPTOrthopedic Physical Therapist1518062801

Verify Arbi Khodadadi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A83304
    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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57% fewer Medicare Part D claims than the average infectious disease physician in 2024

298 Medicare Part D claims for 78 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Arbi Khodadadi298
  2. Specialty average689

Most prescribed

  1. Cephalexin39 claims
  2. Doxycycline Hyclate29 claims
  3. Vancomycin Hcl29 claims
  4. Azithromycin20 claims
  5. Amoxicillin-Clavulanate Potass13 claims
  6. Levofloxacin13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 58.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score30.0
  2. Costout of 100 · 30%22.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Arbi Khodadadi among 1,119 infectious disease physician records in California

Arbi Khodadadi, M.D. is one of 1,119 infectious disease 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2001 · median 2003 among the 735 with a school on file
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Elisa Chang, M.D.Pasadena, CA 911061811284193
  2. David Delbello, M.D.Pasadena, CA 911061790988269
  3. Ryan Joo, M.D.Pasadena, CA 911061639301922
  4. Praneet Kalkat, MDPasadena, CA 911061013440114
  5. Joseph Kim, M.D.Pasadena, CA 911061568623049
  6. Paul Nieberg, MDPasadena, CA 911061902909187
  7. Luong Ly, MDPasadena, CA 911051538101670
  8. David Man, MDPasadena, CA 911051366450637

Common questions

What is Arbi Khodadadi, M.D.'s NPI number?

Arbi Khodadadi, M.D.'s National Provider Identifier (NPI) is 1730271099, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arbi Khodadadi, M.D. located?

The NPPES record lists a practice address at 959 E Walnut St, Pasadena, CA, 91106. Phone: (626) 304-0782. Providers update this record themselves, so call before visiting.

How can I verify Arbi Khodadadi, M.D.'s license?

NPPES lists California license number A83304, 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 Arbi Khodadadi, M.D. prescribe under Medicare Part D?

In 2024, Arbi Khodadadi, M.D. had 298 Medicare Part D claims for 78 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Arbi Khodadadi, M.D.'s MIPS final score?

The 2023 MIPS final score is 58.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.