Doctor profile · Federal record
Dr. Mark Oltermann, MD
Critical Care Medicine (Internal Medicine) Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Fort Worth, TX
- NPI 1154353357
- 20 yrs on file
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1500 S Main St
Fort Worth, TX 76104
(817) 921-3431 - Additional location
-
1155 Mill St
Reno, NV 895021576
(775) 982-7878
fax (775) 982-4196 - Mailing address
-
1617 Hemphill St, Attn Credentialing
Fort Worth, TX 761044709
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 15, 2021
- Specialty taxonomy
- 207RC0200X — NUCC code
- State licenses (3)
- Texas #G8323 · Nevada #16376 · Montana #MED-PHYS-LIC-76336
- Medicaid (3)
- TX #150942401 · OK #200003780A · NM #59339837
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154353357. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
185
Distinct HCPCS
2
Medicare allowed
$32,990
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 121 | 49 | $211 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 64 | 33 | $117 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 71. This provider delivers 2.6× the peer median.Frequently asked questions
What is Dr. Mark Oltermann's medical specialty?
Dr. Mark Oltermann practices Critical Care Medicine (Internal Medicine) Physician in Fort Worth, TX.
Where does Dr. Mark Oltermann practice?
Dr. Mark Oltermann practices at 1500 S Main St, Fort Worth, TX 76104. Office phone: 8179213431.
What is Dr. Mark Oltermann's NPI?
Dr. Mark Oltermann's National Provider Identifier (NPI) is 1154353357, issued by NPPES.
What procedures does Dr. Mark Oltermann commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.