Marshall C. Long, DO
Family Medicine Physician · Princeton, WV
Marshall C. Long, DO is a family medicine physician with a practice address in Princeton, West Virginia, and NPI 1487718672, issued on Dec 21, 2006. Check the license (West Virginia WV913, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Marshall C. Long
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- WV913 WV
Self-reported in NPPES; status is on the state search - Practice location
- 118 12TH Street Ext, Princeton, WV 24740
- Phone
- (304) 487-7936
- Enumerated
- Dec 21, 2006
- Record last updated
- Sep 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (304) 487-7835
- Medicaid ID
- 0052039000 WV
- Medicare enrollment
- Enrolled (PECOS I20080314000226); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 1983
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,122 in West Virginia → Look up another NPI →
Also registered at 118 12TH Street Ext
A shared address usually means a shared clinic or building; it does not show who employs whom.
- April Christ, FNP-BCFamily Nurse Practitioner1043628654
- Amanda Neal, FNP-BCFamily Nurse Practitioner1629365614
Verify Marshall C. Long in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license WV913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average family medicine physician in 2024
13,583 Medicare Part D claims for 529 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 238 claims were for opioids.
Most prescribed
- Levothyroxine Sodium614 claims
- Famotidine394 claims
- Omeprazole386 claims
- Rosuvastatin Calcium367 claims
- Lisinopril345 claims
- Atorvastatin Calcium296 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): 90.1 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: $109.38
1 payment: food and beverage; the largest payer was Alnylam Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Princeton Community Hospital Assn. Inc.Princeton, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marshall C. Long among 1,122 family medicine physician records in West Virginia
Marshall C. Long, DO is one of 1,122 family medicine physician records with a practice address in West Virginia. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2006 among the 702 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Princeton
They are 17 of the 1,399 NPPES records with a practice address in Princeton, and 1,122 family medicine physician records in West Virginia.
All 1,122 in West Virginia → Every provider in Princeton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Bird, MDPrinceton, WV 247401033108733
- Jamie Blankenship, DOPrinceton, WV 247401235405671
- Pamela Faulkner, D.O.Princeton, WV 247401003871401
- Nancy Lohuis, M.D.Princeton, WV 247401053376442
- Nicholas Muscari, D.O.Princeton, WV 247401548557341
- Florencio Neri, MDPrinceton, WV 247401134118524
- Jana Peters, DOPrinceton, WV 247401952444234
- Phillip Peterson, MDPrinceton, WV 247401104882596
Common questions
What is Marshall C. Long, DO's NPI number?
Marshall C. Long, DO's National Provider Identifier (NPI) is 1487718672, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marshall C. Long, DO located?
The NPPES record lists a practice address at 118 12TH Street Ext, Princeton, WV, 24740. Phone: (304) 487-7936. Providers update this record themselves, so call before visiting.
How can I verify Marshall C. Long, DO's license?
NPPES lists West Virginia license number WV913, 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 Marshall C. Long, DO prescribe under Medicare Part D?
In 2024, Marshall C. Long, DO had 13,583 Medicare Part D claims for 529 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Marshall C. Long, DO's MIPS final score?
The 2023 MIPS final score is 90.1 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.