James Marnock, M.D.
NPI 1194899617 · Family Medicine Physician · Black Mountain, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Marnock, M.D. is a Family Medicine Physician provider in Black Mountain, NC (NPI 1194899617).
Provider details
- NPI number
- 1194899617
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 9500655 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,001 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 692 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 413 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 256 | $125 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 243 | $9 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 234 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 666 | 203 |
| Atorvastatin Calcium | 512 | 151 |
| Levothyroxine Sodium | 492 | 133 |
| Amlodipine Besylate | 425 | 123 |
| Losartan Potassium | 386 | 112 |
| Lisinopril | 366 | 111 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (2)
- 333 Gashes Creek RdAsheville, NC 28803-9405Phone: (828) 298-0333Fax: (828) 298-0050
- 942 Tunnel RdAsheville, NC 28805-2025Phone: (828) 298-7972Fax: (828) 298-6637
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2021-02-02
- Certified
- 2021-02-02
Frequently asked questions
- What is James Marnock's NPI number?
- James Marnock's National Provider Identifier (NPI) is 1194899617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Marnock's specialty?
- James Marnock is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Marnock located?
- James Marnock's practice location on file with NPPES is 15 Jane Jacobs Rd Ste 101, Black Mountain, NC 28711-8308.
- What is James Marnock's phone number?
- The practice phone number listed in the NPPES registry for James Marnock is (828) 298-0333.
- Does James Marnock accept Medicare?
- James Marnock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Marnock's NPI active?
- Yes — James Marnock's NPI (1194899617) is active in the NPPES registry as of the last update on 2021-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.