Doctor profile · Federal record

Dr. Steffan May, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Bozeman, MT

  • NPI 1194915397
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
937 Highland Blvd Ste 5410
Bozeman, MT 597156916
(406) 522-2400
fax (406) 587-3610
Mailing address
915 Highland Blvd
Bozeman, MT 597156902

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
April 9, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Montana #12395

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194915397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,093
Distinct HCPCS
6
Medicare allowed
$68,078
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 479 339 $64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 215 215 $32
99215 Established patient office or other outpatient visit, 40-54 minutes 212 153 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 149 138 $55
99496 Transitional care management services for problem of high complexity 25 23 $96
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 13 13 $53

In context: peer comparison

Among 11 peers in this city , average services per provider: 97. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,611
Patients
979
Total drug cost
$54,483
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 724 211 $10,591
Amlodipine Besylate Generic 478 132 $4,475
Levothyroxine Sodium Generic 376 97 $5,709
Lisinopril Generic 260 69 $3,255
Losartan Potassium Generic 254 65 $3,420
Oxycodone Hcl Generic 221 37 $5,142
Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) Brand 182 48 $2,355
Omeprazole Generic 178 52 $2,492
Gabapentin Generic 154 49 $3,315
Alfuzosin Hcl Er (Alfuzosin Hcl) Brand 149 36 $2,939

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steffan May's medical specialty?
Dr. Steffan May practices Internal Medicine Physician in Bozeman, MT.
Where does Dr. Steffan May practice?
Dr. Steffan May practices at 937 Highland Blvd Ste 5410, Bozeman, MT 597156916. Office phone: 4065222400.
What is Dr. Steffan May's NPI?
Dr. Steffan May's National Provider Identifier (NPI) is 1194915397, issued by NPPES.
Does Dr. Steffan May accept Medicare assignment?
Yes. Dr. Steffan May accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steffan May 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 99215). Source: CMS Medicare Physician & Other Practitioners file.