Michael A. Istfan, MD
Rheumatology Physician · South Charleston, WV
Michael A. Istfan, MD is a rheumatology physician with a practice address in South Charleston, West Virginia, and NPI 1386650760, issued on Jul 31, 2006. Check the license (West Virginia 14366, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael A. Istfan
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 14366 WV
Self-reported in NPPES; status is on the state search - Practice location
- 4610 Kanawha Ave SW, South Charleston, WV 25309
- Phone
- (304) 720-8701
- Enumerated
- Jul 31, 2006
- Record last updated
- Mar 7, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (304) 720-8702
- Medicaid ID
- 3910000444 WV
- Medicare enrollment
- Enrolled (PECOS I20101018000011); accepts Medicare assignment
- Medical or professional school
- Jc Edwards School Of Medicine, Marshall University, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 31 in West Virginia → Look up another NPI →
Also registered at 4610 Kanawha Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lesa Adkins, FNP-BCFamily Nurse Practitioner1497110019
- Johnna Ball, PHARMDPharmacist1114892171
- Renetta Brewer, NP-CNurse Practitioner1750733408
- Elie Gharib, MDInterventional Cardiology Physician1700845559
- Suzanne Gharib, MDRheumatology Physician1386851988
- Thomas Howard, MDRheumatology Physician1396713137
Verify Michael A. Istfan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 14366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average rheumatology physician in 2024
4,847 Medicare Part D claims for 660 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 451 claims were for opioids.
Most prescribed
- Prednisone797 claims
- Hydroxychloroquine Sulfate734 claims
- Methotrexate564 claims
- Celecoxib239 claims
- Tramadol Hcl231 claims
- Hydrocodone-Acetaminophen220 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,439.82
101 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Charleston Area Medical Center IncCharleston, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Istfan among 31 rheumatology physician records in West Virginia
Michael A. Istfan, MD is one of 31 rheumatology physician records with a practice address in West Virginia. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1984 · median 2003 among the 23 with a school on file
- Record last updated2017 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in West Virginia
There are 31 rheumatology physician records in West Virginia.
All 31 in West Virginia → Every provider in South Charleston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Suzanne Gharib, MDSouth Charleston, WV 253091386851988
- Thomas Howard, MDSouth Charleston, WV 253091396713137
- Silera Holguin Balbuena, MDCharleston, WV 253041447780614
- Charles Justice, M.D.Charleston, WV 253041114361961
- Yamini Sachan, MDCharleston, WV 253041366823783
- Leah Triplett, D.O.Charleston, WV 253011679500532
- Arash Hassantoufighi, MDMartinsburg, WV 254011962822197
- Michael Rezaian, M.D.Martinsburg, WV 254011598821449
Common questions
What is Michael A. Istfan, MD's NPI number?
Michael A. Istfan, MD's National Provider Identifier (NPI) is 1386650760, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Istfan, MD located?
The NPPES record lists a practice address at 4610 Kanawha Ave SW, South Charleston, WV, 25309. Phone: (304) 720-8701. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Istfan, MD's license?
NPPES lists West Virginia license number 14366, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael A. Istfan, MD prescribe under Medicare Part D?
In 2024, Michael A. Istfan, MD had 4,847 Medicare Part D claims for 660 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Michael A. Istfan, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.