Doctor profile · Federal record
Dr. CHRISTOPHER ZIRKER, MD, MSC
Internal Medicine Physician (CMS: INTERNAL MEDICINE) · Student in an Organized Health Care Education/Training Program · LOVELAND, CO
- NPI 1629565890
- Accepts Medicare
- MIPS 84.8 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
2500 ROCKY MOUNTAIN AVE
LOVELAND, CO 805389004
(970) 624-2500 - Additional location
-
1024 S LeMay Ave
Fort Collins, CO 805243929
(970) 495-7000 - Additional location
-
13001 E 17th Pl
Aurora, CO 800452570
(303) 724-1792 - Additional location
-
6767 29th St
Greeley, CO 806345474
(970) 652-2000 - Mailing address
-
2637 MIDPOINT DR STE B
FORT COLLINS, CO 805254408
Show 1 more location
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- June 24, 2021
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Colorado #DR.0066504
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629565890. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
290
Distinct HCPCS
6
Medicare allowed
$44,703
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 189 | 179 | $174 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 22 | $120 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 25 | 17 | $80 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $131 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $82 | |
99291 |
Critical care, first 30-74 minutes | 11 | 11 | $213 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 104. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
17
Patients
0
Total drug cost
$373
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 17 | 0 | $373 |