Doctor profile · Federal record
Dr. Mark Shell, DO
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Temple, TX
- NPI 1265097000
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1605 S 31St St
Temple, TX 765080001
(254) 215-0100
fax (254) 215-0636 - Additional location
-
2401 S 31St St
Temple, TX 765080001
(254) 215-0600 - Mailing address
-
Po Box 844658
Dallas, TX 752844658
Credentials & registration
- NPI registered
- May 2019 — 7 yrs on file
- Profile last updated
- June 20, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #T1845
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265097000. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32
Distinct HCPCS
1
Medicare allowed
$2,031
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 31 | $63 |
In context: peer comparison
Among 10 peers in Temple Gastroenterology Physician, average services per provider: 37. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$1,523
Transactions
9
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 7 | $1,334.98 | |
| Ferring Pharmaceuticals INC. | 1 | $156.11 | |
| Mallinckrodt Hospital Products INC. | 1 | $31.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
137
Patients
41
Total drug cost
$1,634
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 42 | 11 | $534 |
| Pantoprazole Sodium | Generic | 31 | 11 | $594 |
| Azithromycin | Generic | 21 | 19 | $119 |
| Amlodipine Besylate | Generic | 16 | 0 | $78 |
| Promethazine Hcl | Generic | 14 | 0 | $43 |
| Famotidine | Generic | 13 | 0 | $265 |
Frequently asked questions
What is Dr. Mark Shell's medical specialty?
Dr. Mark Shell practices Gastroenterology Physician in Temple, TX.
Where does Dr. Mark Shell practice?
Dr. Mark Shell practices at 1605 S 31St St, Temple, TX 765080001. Office phone: 2542150100.
What is Dr. Mark Shell's NPI?
Dr. Mark Shell's National Provider Identifier (NPI) is 1265097000, issued by NPPES.
Does Dr. Mark Shell accept Medicare assignment?
Yes. Dr. Mark Shell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Shell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.