Doctor profile · Federal record

Dr. Mark Mikkelsen, MD

Pulmonary Disease Physician (CMS: Critical Care (Intensivists)) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Aurora, CO

  • NPI 1831252360
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12605 E 16Th Ave
Aurora, CO 800452545
(720) 848-0000
Additional location
3400 Civic Center Blvd Fl 1
Philadelphia, PA 191045161
(215) 662-3202
fax (215) 349-8432
Mailing address
Po Box 110429
Aurora, CO 800420429

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
December 3, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Colorado #DR.0067140 · Pennsylvania #MD426191

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831252360. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
1
Medicare allowed
$9,146
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 43 23 $213

In context: peer comparison

Among 19 peers in this city , average services per provider: 35. This provider delivers 1.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Mikkelsen's medical specialty?
Dr. Mark Mikkelsen practices Pulmonary Disease Physician in Aurora, CO.
Where does Dr. Mark Mikkelsen practice?
Dr. Mark Mikkelsen practices at 12605 E 16Th Ave, Aurora, CO 800452545. Office phone: 7208480000.
What is Dr. Mark Mikkelsen's NPI?
Dr. Mark Mikkelsen's National Provider Identifier (NPI) is 1831252360, issued by NPPES.
Does Dr. Mark Mikkelsen accept Medicare assignment?
Yes. Dr. Mark Mikkelsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Mikkelsen commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.