Doctor profile · Federal record

Dr. Troy Ahlstrom, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Traverse City, MI

  • NPI 1548265911
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1105 6Th St
Traverse City, MI 496842349
(231) 947-0673
fax (801) 740-2847
Mailing address
Po Box 107
Traverse City, MI 496850107

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
September 14, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301070208
Medicaid
MI #4724887

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548265911. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
280
Distinct HCPCS
5
Medicare allowed
$31,010
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 111 60 $115
99239 Hospital discharge day management, more than 30 minutes 69 68 $110
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 40 25 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 37 $168
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 21 15 $48

In context: peer comparison

Among 27 peers in Traverse City Internal Medicine Physician, average services per provider: 105. This provider delivers 2.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Troy Ahlstrom's medical specialty?
Dr. Troy Ahlstrom practices Internal Medicine Physician in Traverse City, MI.
Where does Dr. Troy Ahlstrom practice?
Dr. Troy Ahlstrom practices at 1105 6Th St, Traverse City, MI 496842349. Office phone: 2319470673.
What is Dr. Troy Ahlstrom's NPI?
Dr. Troy Ahlstrom's National Provider Identifier (NPI) is 1548265911, issued by NPPES.
Does Dr. Troy Ahlstrom accept Medicare assignment?
Yes. Dr. Troy Ahlstrom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Troy Ahlstrom commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.