Marshall Long, DO
NPI 1487718672 · Family Medicine Physician · Princeton, WV
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Long, DO is a Family Medicine Physician provider in Princeton, WV (NPI 1487718672).
Provider details
- NPI number
- 1487718672
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- WV913 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,329 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 531 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 351 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 144 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 68 | $127 |
| Administration of Influenza Virus VaccineG0008 | 59 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 193 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 614 | 148 |
| Famotidine | 394 | 113 |
| Omeprazole | 386 | 115 |
| Rosuvastatin Calcium | 367 | 102 |
| Lisinopril | 345 | 93 |
| Atorvastatin Calcium | 296 | 81 |
| Amlodipine Besylate | 260 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$109 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 401 E Vermillion StAthens, WV 24712-8005Phone: (304) 384-7325Fax: (304) 384-8870
- 200 New Hope RdSte 2Princeton, WV 24740Phone: (304) 487-5854Fax: (304) 487-5518
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2018-09-24
Frequently asked questions
- What is Marshall Long's NPI number?
- Marshall Long's National Provider Identifier (NPI) is 1487718672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Long's specialty?
- Marshall Long is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Long located?
- Marshall Long's practice location on file with NPPES is 118 12th Street Ext, Princeton, WV 24740.
- What is Marshall Long's phone number?
- The practice phone number listed in the NPPES registry for Marshall Long is (304) 487-7936.
- Does Marshall Long accept Medicare?
- Marshall Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Long's NPI active?
- Yes — Marshall Long's NPI (1487718672) is active in the NPPES registry as of the last update on 2018-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.