Doctor profile · Federal record

Dr. Adam Mack, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Fort Collins, CO

  • NPI 1588601561
  • Accepts Medicare
  • MIPS 84.8 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2637 Midpoint Dr Ste B
Fort Collins, CO 805254408
(970) 488-1666
fax (970) 472-9381

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 4, 2019
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Colorado #49069
Medicaid
CO #90970730

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588601561. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
789
Distinct HCPCS
6
Medicare allowed
$84,512
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 376 180 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 117 84 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 114 112 $173
99239 Hospital discharge day management, more than 30 minutes 99 98 $116
99238 Hospital discharge day management, 30 minutes or less 63 63 $82
99291 Critical care, first 30-74 minutes 20 15 $213

In context: peer comparison

Among 17 peers in Fort Collins Hospitalist Physician, average services per provider: 113. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
221
Patients
73
Total drug cost
$35,233
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 36 0 $19,669
Furosemide Generic 36 23 $208
Atorvastatin Calcium Generic 27 0 $536
Metoprolol Succinate Generic 22 16 $410
Cefuroxime (Cefuroxime Axetil) Brand 20 20 $397
Amlodipine Besylate Generic 18 0 $146
Metoprolol Tartrate Generic 15 0 $209
Prednisone Generic 14 14 $111
Carvedilol Generic 11 0 $157
Jardiance (Empagliflozin) Brand 11 0 $13,008

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Mack's medical specialty?
Dr. Adam Mack practices Hospitalist Physician in Fort Collins, CO.
Where does Dr. Adam Mack practice?
Dr. Adam Mack practices at 2637 Midpoint Dr Ste B, Fort Collins, CO 805254408. Office phone: 9704881666.
What is Dr. Adam Mack's NPI?
Dr. Adam Mack's National Provider Identifier (NPI) is 1588601561, issued by NPPES.
Does Dr. Adam Mack accept Medicare assignment?
Yes. Dr. Adam Mack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Mack commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.