Doctor profile · Federal record

Dr. Gannon Marsh, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Athens, TX

  • NPI 1356706907
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
115 Medical Cir Ste 100
Athens, TX 757519004
(903) 676-1144

Credentials & registration

NPPES · NUCC
NPI registered
December 2015 — 11 yrs on file
Profile last updated
June 12, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Texas #AP129169

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356706907. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
369
Distinct HCPCS
7
Medicare allowed
$20,081
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 159 46 $53
99214 Established patient office or other outpatient visit, 30-39 minutes 69 27 $80
97597 Removal of tissue from wound, 20.0 sq cm or less 62 22 $29
11042 Removal of skin and tissue, 20.0 sq cm or less 30 15 $40
99212 Established patient office or other outpatient visit, 10-19 minutes 19 17 $29
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 16 $65
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $109

In context: peer comparison

Among 5 peers in Athens Family Nurse Practitioner, average services per provider: 78. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
64
Patients
29
Total drug cost
$837
Drug Type Claims Patients Total cost
Mupirocin Generic 36 18 $311
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 0 $275
Clindamycin Hcl Generic 13 11 $251

Frequently asked questions

Auto-generated from federal data
What is Dr. Gannon Marsh's medical specialty?
Dr. Gannon Marsh practices Family Nurse Practitioner in Athens, TX.
Where does Dr. Gannon Marsh practice?
Dr. Gannon Marsh practices at 115 Medical Cir Ste 100, Athens, TX 757519004. Office phone: 9036761144.
What is Dr. Gannon Marsh's NPI?
Dr. Gannon Marsh's National Provider Identifier (NPI) is 1356706907, issued by NPPES.
Does Dr. Gannon Marsh accept Medicare assignment?
Yes. Dr. Gannon Marsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gannon Marsh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Removal of tissue from wound, 20.0 sq cm or less (HCPCS 97597). Source: CMS Medicare Physician & Other Practitioners file.