Doctor profile · Federal record

Dr. James Marnock, M.D.

Family Medicine Physician (CMS: Family Practice) · Black Mountain, NC

  • NPI 1194899617
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
15 Jane Jacobs RD Ste 101
Black Mountain, NC 287118308
(828) 298-0333
fax (828) 298-0050
Additional location
333 Gashes Creek RD
Asheville, NC 288039405
Additional location
942 Tunnel RD
Asheville, NC 288052025
(828) 298-7972
fax (828) 298-6637
Mailing address
Po Box 1869
Fletcher, NC 287321869

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
February 2, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
North Carolina #9500655
Medicaid (2)
NC #790101Y · NC #8954940

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194899617. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,274
Distinct HCPCS
10
Medicare allowed
$120,914
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 738 362 $94
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 253 253 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 69 64 $64
99441 Telephone medical discussion with physician, 5-10 minutes 48 38 $34
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 28 26 $138
17000 Destruction of precancer skin growth, 1 growth 23 20 $52
99497 Advance care planning, first 30 minutes 14 14 $73
20610 Aspiration and/or injection of fluid from large joint 13 11 $43
99442 Telephone medical discussion with physician, 11-20 minutes 13 11 $64

In context: peer comparison

Among 1 peers in Black Mountain Family Medicine Physician, average services per provider: 98. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,218
Patients
1,194
Total drug cost
$213,200
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 498 140 $6,013
Rosuvastatin Calcium Generic 495 151 $7,596
Levothyroxine Sodium Generic 419 116 $5,604
Amlodipine Besylate Generic 375 106 $2,593
Losartan Potassium Generic 349 96 $4,564
Lisinopril Generic 330 92 $3,265
Metoprolol Succinate Generic 281 73 $3,896
Hydrochlorothiazide Generic 237 68 $1,194
Eliquis (Apixaban) Brand 196 32 $164,679
Omeprazole Generic 191 60 $1,638

Frequently asked questions

Auto-generated from federal data
What is Dr. James Marnock's medical specialty?
Dr. James Marnock practices Family Medicine Physician in Black Mountain, NC.
Where does Dr. James Marnock practice?
Dr. James Marnock practices at 15 Jane Jacobs RD Ste 101, Black Mountain, NC 287118308. Office phone: 8282980333.
What is Dr. James Marnock's NPI?
Dr. James Marnock's National Provider Identifier (NPI) is 1194899617, issued by NPPES.
Does Dr. James Marnock accept Medicare assignment?
Yes. Dr. James Marnock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Marnock commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.