James J. Demarco, MD
Nephrology Physician · Bridgeport, WV
James J. Demarco, MD is a nephrology physician with a practice address in Bridgeport, West Virginia, and NPI 1619946936, issued on Mar 17, 2006. Check the license (West Virginia WV17202, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- James J. Demarco
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- WV17202 WV
Self-reported in NPPES; status is on the state search - Practice location
- 1370 Johnson Ave, Bridgeport, WV 26330
- Phone
- (304) 622-5196
- Enumerated
- Mar 17, 2006
- Record last updated
- May 8, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (304) 622-2810
- Medicaid ID
- 0075650000 WV
- Medicare enrollment
- Enrolled (PECOS I20091202000249); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 66 in West Virginia → Look up another NPI →
Also registered at 1370 Johnson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Landyn BonamicoPhysician Assistant1801514658
- Justin Goff, PA-CPhysician Assistant1699420125
- Timothy Peasak, D.O.Emergency Medicine Physician1720142391
- Maria Scudere, NP-CFamily Nurse Practitioner1962036509
- Carol Shirey, MDInternal Medicine Physician1922065879
- Raetta Wentz, PA-CMedical Physician Assistant1740508779
Verify James J. Demarco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license WV17202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average nephrology physician in 2024
927 Medicare Part D claims for 142 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sevelamer Carbonate127 claims
- Auryxia52 claims
- Gentamicin Sulfate46 claims
- Calcium Acetate33 claims
- Furosemide32 claims
- Cephalexin27 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 MIPS final score for 2023 (Medicare payment program): 55.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $74.95
4 payments; by number, the most common kind was food and beverage; the largest payer was Akebia Therapeutics Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
James J. Demarco among 66 nephrology physician records in West Virginia
James J. Demarco, MD is one of 66 nephrology physician records with a practice address in West Virginia. 85% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 55% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1986 · median 2002 among the 49 with a school on file
- Record last updated2017 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in West Virginia
There are 66 nephrology physician records in West Virginia.
All 66 in West Virginia → Every provider in Bridgeport → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Marilyn Aday, M.D.Bridgeport, WV 263301306928734
- James AkersBridgeport, WV 263301649711847
- Nabeel Ghabra, MDBridgeport, WV 263301053374751
- Sharmil Suma Kumaran, M.D.Elkins, WV 262411780175844
- Sana Akbar, M.D.Morgantown, WV 265061245474303
- Arijit Chakravarty, MDMorgantown, WV 265061386778199
- Anas Diab, M.D.Morgantown, WV 265061275608663
- Dinesh Kumar Kannabhiran, MDMorgantown, WV 265061811151731
Common questions
What is James J. Demarco, MD's NPI number?
James J. Demarco, MD's National Provider Identifier (NPI) is 1619946936, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James J. Demarco, MD located?
The NPPES record lists a practice address at 1370 Johnson Ave, Bridgeport, WV, 26330. Phone: (304) 622-5196. Providers update this record themselves, so call before visiting.
How can I verify James J. Demarco, MD's license?
NPPES lists West Virginia license number WV17202, 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 James J. Demarco, MD prescribe under Medicare Part D?
In 2024, James J. Demarco, MD had 927 Medicare Part D claims for 142 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is James J. Demarco, MD's MIPS final score?
The 2023 MIPS final score is 55.5 of 100. 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.