NPPES file of Aug 9, 2026

Farnoosh Farshidi, M.D.

Internal Medicine Physician · Corona, CA

Farnoosh Farshidi, M.D. is an internal medicine physician with a practice address in Corona, California, and NPI 1841722899, issued on Mar 29, 2017. Check the license (California A164004, 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
1841722899
Name
Farnoosh Farshidi
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A164004 CA
Self-reported in NPPES; status is on the state search
Practice location
800 S Main St, Corona, CA 92882
Phone
(951) 737-4343
Enumerated
Mar 29, 2017
Record last updated
Jul 25, 2024
Fax
(951) 736-4861
Medicare enrollment
Enrolled (PECOS I20200808000166); 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 800 S Main St

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

  1. Charles Addo-Yobo, DOEmergency Medicine Physician1821625955
  2. James Ahn, M.D.Anesthesiology Physician1588641963
  3. Julie Ahn, PA-CPhysician Assistant1346802543
  4. Thomas Assali, DOInternal Medicine Physician1598225062
  5. Cynthia Bailey, P.A.-CPhysician Assistant1316053036
  6. David Bear, M.D.Emergency Medicine Physician1114033883

Verify Farnoosh Farshidi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A164004
    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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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

242 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Farnoosh Farshidi242
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass16 claims
  2. Levothyroxine Sodium14 claims
  3. Atorvastatin Calcium13 claims
  4. Cefdinir12 claims
  5. Donepezil Hcl12 claims
  6. Eliquis12 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): 94.9 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%69.7
  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).

Industry payments in 2024: $261.13

3 payments; by number, the most common kind was 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.

  1. Farnoosh Farshidi$261.13
  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.

Bills Medicare through 2 group practices

  1. Corona Hospitalist Medical Group, IncCorona, CA
  2. Paloma IncareMission Viejo, CA

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

Farnoosh Farshidi among 17,696 internal medicine physician records in California

Farnoosh Farshidi, 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 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

52 internal medicine physician records list a practice address in Corona

They are 52 of the 3,731 NPPES records with a practice address in Corona, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Assali, DOCorona, CA 928821598225062
  2. Patrick Bonaparte, M.D.Corona, CA 928821508260340
  3. Christos Bovetas, M.D.Corona, CA 928821487740262
  4. Adriane DullCorona, CA 928821538665773
  5. Ramesh Gupta, M.D.Corona, CA 928821255527685
  6. Mowbray Hagan, MDCorona, CA 928821235145590
  7. Imran Hasnain, MDCorona, CA 928821003850553
  8. Rishi Patel, M.D.Corona, CA 928821528557865

Common questions

What is Farnoosh Farshidi, M.D.'s NPI number?

Farnoosh Farshidi, M.D.'s National Provider Identifier (NPI) is 1841722899, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Farnoosh Farshidi, M.D. located?

The NPPES record lists a practice address at 800 S Main St, Corona, CA, 92882. Phone: (951) 737-4343. Providers update this record themselves, so call before visiting.

How can I verify Farnoosh Farshidi, M.D.'s license?

NPPES lists California license number A164004, 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 Farnoosh Farshidi, M.D. prescribe under Medicare Part D?

In 2024, Farnoosh Farshidi, M.D. had 242 Medicare Part D claims for 103 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Farnoosh Farshidi, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.9 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.