Doctor profile · Federal record

Dr. William Gattis, MD

Family Medicine Physician (CMS: Family Practice) · Emergency Medicine Physician · Gunnison, CO

  • NPI 1386611465
  • Accepts Medicare
  • MIPS 38.3 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
707 N Iowa St
Gunnison, CO 812302229
(970) 642-8413
fax (970) 641-9017
Additional location
711 N Taylor St
Gunnison, CO 812302296
(970) 641-1456
fax (970) 641-4461
Mailing address
711 N Taylor St
Gunnison, CO 812302208

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 29, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #40233
Medicaid
CO #13778862

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386611465. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
428
Distinct HCPCS
9
Medicare allowed
$5,758
HCPCS Description Services Patients Avg allowed
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 100 80 $8
80047 Blood test, basic group of blood chemicals (calcium, ionized) 63 40 $13
81001 Manual urinalysis test with examination using microscope, automated 60 47 $3
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 60 50 $35
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 43 37 $8
87400 Detection test by immunoassay technique for influenza virus 37 33 $14
83036 Hemoglobin a1c level 28 24 $10
83518 Analysis of substance using immunoassay technique, single step method 21 18 $9
71046 X-ray of chest, 2 views 16 16 $35

In context: peer comparison

Among 4 peers in Gunnison Family Medicine Physician, average services per provider: 62. This provider delivers 6.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
369
Patients
43
Total drug cost
$4,250
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 63 19 $495
Lisinopril Generic 41 12 $534
Atorvastatin Calcium Generic 33 12 $439
Hydrochlorothiazide Generic 28 0 $255
Tamsulosin Hcl Generic 27 0 $291
Sertraline Hcl Generic 25 0 $246
Clonazepam Generic 21 0 $420
Rosuvastatin Calcium Generic 20 0 $310
Donepezil Hcl Generic 18 0 $174
Trazodone Hcl Generic 18 0 $316

Frequently asked questions

Auto-generated from federal data
What is Dr. William Gattis's medical specialty?
Dr. William Gattis practices Family Medicine Physician in Gunnison, CO.
Where does Dr. William Gattis practice?
Dr. William Gattis practices at 707 N Iowa St, Gunnison, CO 812302229. Office phone: 9706428413.
What is Dr. William Gattis's NPI?
Dr. William Gattis's National Provider Identifier (NPI) is 1386611465, issued by NPPES.
Does Dr. William Gattis accept Medicare assignment?
Yes. Dr. William Gattis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gattis commonly perform?
Top Medicare-reported procedures in 2023: Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Blood test, basic group of blood chemicals (calcium, ionized) (HCPCS 80047); Manual urinalysis test with examination using microscope, automated (HCPCS 81001). Source: CMS Medicare Physician & Other Practitioners file.