Doctor profile · Federal record
Dr. Mark Sims, MD
Hospitalist Physician (CMS: Hospitalist) · Pediatrics Physician · Internal Medicine Physician · Hospice and Palliative Medicine (Internal Medicine) Physician · Salt Lake City, UT
- NPI 1376806745
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
30 N 1900 E Rm 4C104
Salt Lake City, UT 841320002
(801) 585-1686 - Additional location
-
1245 16Th St Ste 125
Santa Monica, CA 904041240
(310) 315-8900
fax (310) 315-8902 - Additional location
-
1250 16Th St # C2304
Santa Monica, CA 904041249
(310) 319-4698
fax (310) 319-4908
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- March 27, 2026
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (2)
- Utah #12229890-1205 · California #A129202
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376806745. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
201
Distinct HCPCS
5
Medicare allowed
$19,854
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 110 | 50 | $77 | |
99239 |
Hospital discharge day management, more than 30 minutes | 37 | 37 | $112 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 21 | $127 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 16 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $170 |
In context: peer comparison
Among 37 peers in this city , average services per provider: 61. This provider delivers 3.3× the peer median.Frequently asked questions
What is Dr. Mark Sims's medical specialty?
Dr. Mark Sims practices Hospitalist Physician in Salt Lake City, UT.
Where does Dr. Mark Sims practice?
Dr. Mark Sims practices at 30 N 1900 E Rm 4C104, Salt Lake City, UT 841320002. Office phone: 8015851686.
What is Dr. Mark Sims's NPI?
Dr. Mark Sims's National Provider Identifier (NPI) is 1376806745, issued by NPPES.
Does Dr. Mark Sims accept Medicare assignment?
Yes. Dr. Mark Sims accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Sims commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.