Dr. Eric R. Panahi, MD

  • Fountain Valley, CA
  • Internist
NPI1619110830PAC ID5193995322
Medicare services, 2024
61,518
Medicare patients, 2024
264
Part D claims, 2024
2,213
Publications
2
MIPS score, 2024
12
Practice address
11180 Warner Ave, Fountain Valley, CA 92708
Practice phone
Call (714) 825-0891
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Gharoon Panahi MD Inc

Fountain Valley, California

See all 5 affiliations

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Dr. Eric R. Panahi is an internist in Fountain Valley, California

Dr. Panahi practices at Gharoon Panahi MD Inc in Fountain Valley, California.

Dr. Panahi's NPI, 1619110830, was assigned on April 17, 2009. Dr. Panahi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2007. Dr. Panahi holds California license A106966.

NPI and contact details
Medicare PAC ID
5193995322
NPI enumeration date
April 17, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 825-0891
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Eric R. Panahi practices at Gharoon Panahi MD Inc in Fountain Valley, California

Dr. Panahi's primary practice is Gharoon Panahi MD Inc, at 11180 Warner Ave, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 825-0891.

  • Gharoon Panahi MD Inc
    11180 Warner Ave, Fountain Valley, CA 92708 · Orange CountyPhone(714) 825-0891

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Eric R. Panahi is affiliated with 4 sites of care and 1 medical group

Dr. Panahi's primary practice is Gharoon Panahi MD Inc in Fountain Valley, California. Dr. Panahi is also affiliated with Orange Coast Medical Center. The medical group on file is Gharoon Panahi MD. Dmand AI also links Dr. Panahi to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Panahi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Eric R. Panahi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Panahi practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gharoon Panahi MD IncAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric R. Panahi is one of 16,751 internists in California

Internal medicine is Dr. Panahi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Panahi is board certified in rheumatology by the American Board of Internal Medicine. Dmand AI has Dr. Panahi's licenses on file in 3 states: California, Florida and Pennsylvania.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A106966 · 2009 to 2026 · taxonomy 207R00000X
  • Florida license2016 to 2026
  • Pennsylvania license2012 to 2014

Clinical focus

Dmand AI lists arthritis, asthma, chronic hypertension, chronic inflammatory bowel disease (IBD), chronic kidney disease, gout, hand joint or tendon inflammation and high cholesterol among the conditions Dr. Panahi treats.

Internists near Dr. Panahi

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Eric R. Panahi billed Medicare for 61,518 services in 2024

CMS data shows 61,518 Medicare services from Dr. Panahi across 18 procedure codes in 2024, for 264 Medicare patients. Medicare paid $472,828 for them. Every service was in an office.

Medicare services, 202461,518
Medicare patients264
Paid by Medicare$472,828
Procedure codes18

Dr. Panahi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 59,3112024: 59,504No change
Tests and treatments
2023: 1,0882024: 1,22413%
Office and hospital visits
2023: 7342024: 7231%
Surgery
2023: 782024: 6714%
Other services
2023: 132024: 0100%

Dr. Panahi compared with the California median for internists, 2024

  • Dr. Panahi
  • California median
Medicare services
61,518vs 361170.4 times
Medicare patients
264vs 15175% above
Part D claims
1,741vs 4214.1 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Panahi's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Panahi

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Panahi and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Eric R. Panahi treated 264 Medicare patients in 2024, average age 75

CMS counts 264 Medicare patients who saw Dr. Panahi in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have arthritis, and 75% have high blood pressure. 43% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Panahi's median patient age at 70, with 72% women.

Medicare patients, 2024264
Average age75
Average risk score1.54
Also on Medicaid43%

Dr. Panahi's Medicare patients by age, 2024

Dr. Panahi's Medicare patients by sex, 2024

  • Women19775%
  • Men6725%

Chronic conditions among Dr. Panahi's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Osteoporosis47%
  5. Diabetes32%
  6. Chronic kidney disease28%
  7. Anxiety26%
  8. Ischemic heart disease26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Panahi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women72%
  • Men26%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Eric R. Panahi wrote 2,213 Medicare Part D claims in 2024

In 2024, Dr. Panahi wrote 2,213 Medicare Part D claims for 276 patients. 71% of them were for generic drugs. CMS names the drug for 1,741 of them, across 55 drugs with 11 or more claims each, at $1,847,531 in total drug cost. In 2023, CMS named 1,307 claims across 49 drugs.

Part D claims, 20242,213
Drugs named by CMS55
Total drug cost$1.8M
Part D patients276

Dr. Panahi's Part D claims by kind of drug, 2024

  • Generic1,569 claims71%
  • Brand-name and other644 claims29%

Dr. Panahi's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Panahi's Part D claims, 2024

  • Opioids3%76 of 2,213 claims
  • Antibiotics2%46 of 2,213 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,3072024: 1,74133%

Drugs named by CMS: 55 in 2024, 49 in 2023.

See all prescribing by Dr. Panahi

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Eric R. Panahi scored 12 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 12 out of 100 for Dr. Panahi for performance year 2024, reported individually. Dr. Panahi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Panahi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Panahi's MIPS scores, performance year 2024

  • 12of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 41of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Eric R. Panahi has 2 publications on record

Dmand AI links 2 papers to Dr. Panahi.

Papers2

Recent publications by Dr. Panahi

See all 2 publications and co-authors

See who Dr. Panahi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Panahi works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Eric R. Panahi received $6,392 in industry payments from 2016 to 2025

CMS Open Payments shows 354 general payments to Dr. Panahi from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,143.

General payments to Dr. Panahi by program year, 2016 to 2025

Companies that paid Dr. Panahi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Panahi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Eric R. Panahi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science

Dr. Panahi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2007.

  1. Medical schoolChicago Medical School at Rosalind Franklin University of Medicine and Science
  2. Board certified in rheumatologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineNational Board of Physicians and Surgeons
  4. Board certified in rheumatologyNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Eric R. Panahi accepts plans from 4 insurance carriers

Dr. Panahi is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Regence Health Plans. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Panahi accepts, by number of carriers

  1. Medicare4
  2. PPO3
  3. HMO1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Eric R. Panahi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Eric R. Panahi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Eric R. Panahi's NPI number?

Dr. Eric R. Panahi's NPI number is 1619110830. It was assigned on April 17, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric R. Panahi?

Dr. Eric R. Panahi is an internist in Fountain Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Eric R. Panahi practice?

Dr. Panahi practices at 11180 Warner Ave, Fountain Valley, CA 92708. Dr. Panahi's primary practice is Gharoon Panahi MD Inc in Fountain Valley, California. Dmand AI also links Dr. Panahi to 1 hospital and 1 group practice or clinic.

What is Dr. Eric R. Panahi's office phone number?

The practice phone on file for Dr. Panahi is (714) 825-0891.

What is Dr. Eric R. Panahi's medical license number?

Dr. Panahi holds California license A106966, one of the licenses on file in 3 states.

Which states has Dr. Eric R. Panahi been licensed in?

Dmand AI has state licenses on file for Dr. Panahi in California (2009 to 2026), Florida (2016 to 2026) and Pennsylvania (2012 to 2014).

Which hospitals is Dr. Eric R. Panahi affiliated with?

Dr. Panahi is affiliated with Orange Coast Medical Center. Dmand AI links Dr. Panahi to 1 more hospital.

What medical group is Dr. Eric R. Panahi part of?

Dr. Panahi is linked to Gharoon Panahi MD.

Does Dr. Eric R. Panahi accept Medicare?

Yes. CMS data shows Dr. Panahi billed Medicare for 61,518 services in 2024, and Dr. Panahi accepts Medicare assignment.

Does Dr. Eric R. Panahi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Panahi as offering telehealth services.

Show 10 more questionsShow fewer questions

What is Dr. Eric R. Panahi's MIPS score?

Dr. Panahi's MIPS final score for performance year 2024 is 12 out of 100, reported individually.

How many Medicare patients does Dr. Eric R. Panahi see?

CMS counts 264 Medicare patients who saw Dr. Panahi in 2024, with an average age of 75.

Is Dr. Eric R. Panahi board certified?

Yes. Dr. Panahi is board certified in rheumatology by the American Board of Internal Medicine.

What services does Dr. Eric R. Panahi bill to Medicare?

In 2024, Dr. Panahi's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J1602) and office visit, established patient (99214).

Where did Dr. Eric R. Panahi go to medical school?

Dr. Panahi graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2007.

What drugs does Dr. Eric R. Panahi prescribe most?

In 2024 Medicare Part D data, Dr. Panahi's most prescribed drugs by claims were Actemra, Methotrexate and Hydroxychloroquine Sulfate.

Has Dr. Eric R. Panahi received payments from drug or device companies?

CMS Open Payments shows $6,392 in general payments to Dr. Panahi from 23 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Eric R. Panahi been practicing?

Dr. Panahi graduated from medical school in 2007, 19 years ago.

Does Dr. Eric R. Panahi do research?

Dmand AI links 2 publications to Dr. Panahi.

What insurance does Dr. Eric R. Panahi accept?

Dr. Panahi is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Regence Health Plans. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

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