Doctor profile · Federal record

Dr. Mark Garnett, D.O.

Family Medicine Physician (CMS: Family Practice) · Spearman, TX

  • NPI 1518943158
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
712 Roland St
Spearman, TX 790813442
(806) 659-1778
fax (806) 659-1027

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 29, 2008
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #L2270
Medicaid
TX #1471765-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518943158. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
505
Distinct HCPCS
10
Medicare allowed
$48,241
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 138 47 $102
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 65 28 $76
99284 Emergency department visit with moderate level of medical decision making 44 41 $117
99238 Hospital discharge day management, 30 minutes or less 42 37 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 35 30 $102
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 33 22 $71
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 31 21 $71
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 29 27 $128
99315 Nursing facility discharge day management, 30 minutes or less 29 28 $78
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 28 28 $139

In context: peer comparison

Among 1 peers in Spearman Family Medicine Physician, average services per provider: 42. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,764
Patients
993
Total drug cost
$60,993
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 698 105 $7,912
Pantoprazole Sodium Generic 574 100 $6,197
Atorvastatin Calcium Generic 517 95 $4,949
Lisinopril Generic 509 83 $4,565
Losartan Potassium Generic 383 60 $4,457
Metformin Hcl Generic 379 66 $3,537
Furosemide Generic 344 70 $1,743
Gabapentin Generic 339 68 $4,048
Amlodipine Besylate Generic 318 56 $2,787
Hydrochlorothiazide Generic 309 55 $1,428

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Garnett's medical specialty?
Dr. Mark Garnett practices Family Medicine Physician in Spearman, TX.
Where does Dr. Mark Garnett practice?
Dr. Mark Garnett practices at 712 Roland St, Spearman, TX 790813442. Office phone: 8066591778.
What is Dr. Mark Garnett's NPI?
Dr. Mark Garnett's National Provider Identifier (NPI) is 1518943158, issued by NPPES.
Does Dr. Mark Garnett accept Medicare assignment?
Yes. Dr. Mark Garnett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Garnett commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.