Doctor profile · Federal record
Dr. Mark Entrup, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Springfield, MO
- NPI 1841300761
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3801 S National Ave
Springfield, MO 658075210
(417) 269-7728
fax (417) 269-7729 - Mailing address
-
Po Box 4046
Springfield, MO 658084046
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 23, 2020
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #100131
- Medicaid
- MO #246655427
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841300761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
748
Distinct HCPCS
5
Medicare allowed
$66,315
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 473 | 175 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 112 | 75 | $114 | |
99238 |
Hospital discharge day management, 30 minutes or less | 65 | 62 | $76 | |
99239 |
Hospital discharge day management, more than 30 minutes | 62 | 59 | $109 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 35 | $167 |
In context: peer comparison
Among 46 peers in Springfield Internal Medicine Physician, average services per provider: 117. This provider delivers 6.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
81
Patients
39
Total drug cost
$1,811
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amantadine (Amantadine Hcl) | Brand | 15 | 0 | $624 |
| Naltrexone Hcl | Generic | 15 | 0 | $778 |
| Prednisone | Generic | 15 | 15 | $72 |
| Oxycodone Hcl | Generic | 13 | 13 | $63 |
| Pantoprazole Sodium | Generic | 12 | 0 | $163 |
| Doxycycline Hyclate | Generic | 11 | 11 | $111 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Entrup's medical specialty?
Dr. Mark Entrup practices Internal Medicine Physician in Springfield, MO.
Where does Dr. Mark Entrup practice?
Dr. Mark Entrup practices at 3801 S National Ave, Springfield, MO 658075210. Office phone: 4172697728.
What is Dr. Mark Entrup's NPI?
Dr. Mark Entrup's National Provider Identifier (NPI) is 1841300761, issued by NPPES.
Does Dr. Mark Entrup accept Medicare assignment?
Yes. Dr. Mark Entrup accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Entrup 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); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.