Quick answers
- Does John Manchin Ii accept Medicare assignment?
- Yes. Medicare's clinician data says John Manchin Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does John Manchin Ii see?
- In 2024, CMS data shows 756 Original Medicare patients and 49,445 services for John Manchin Ii. This counts Original Medicare only and measures volume, not quality.
- What is John Manchin Ii's NPI number?
- 1134231640. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for John Manchin Ii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 756 |
|---|---|
| Services billed to Medicare | 49,445 |
| Different services or procedures | 99 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Injection, testosterone cypionate, 1 mg (J1071)38,200 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,695 services
- Insertion of needle into vein for collection of blood sample (36415)950 services
- Blood test, comprehensive group of blood chemicals (80053)679 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)634 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure74%
- Arthritis70%
- Diabetes29%
- Anxiety29%
- Ischemic heart disease28%
Hospitals where John Manchin Ii works
Medicare's Facility Affiliation Data lists John Manchin Ii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mon Health MarionWhitehall, WV · Acute Care Hospital · Emergency services: listed by Medicare · CCN 510093
- Mon Health Medical CenterMorgantown, WV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 510024
- United Hospital Center, IncBridgeport, WV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 510006
- West Virginia University Hospitals, IncMorgantown, WV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 510001
Practice locations
Addresses where John Manchin Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Main StFarmington, WV 26571 (304) 825‑6554
- 100 Main St, PO Box 29Farmington, WV 26571
- 181 Middletown LoopFairmont, WV 26554 (304) 367‑9170
- 409 W Main StBridgeport, WV 26330 (304) 848‑8800
- PO Box, Suite 29Farmington, WV 26571
Specialties
- Family Practiceprimary
Other family doctors in West Virginia
Clinicians with the same Medicare primary specialty in West Virginia — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134231640 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians