Doctor profile · Federal record
Dr. Timothy Ritter, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Southlake, TX
- NPI 1235115189
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
505 S Nolen Dr
Southlake, TX 760929167
(817) 424-1525
fax (817) 424-3491 - Mailing address
-
Po Box 35629
Dallas, TX 752350629
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- May 16, 2013
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #H4650
- Medicaid
- TX #137513105
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235115189. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
103
Distinct HCPCS
3
Medicare allowed
$6,371
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
91200 |
Measurement of liver stiffness | 62 | 62 | $30 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 21 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 14 | $89 |
In context: peer comparison
Among 5 peers in Southlake Gastroenterology Physician, average services per provider: 53. This provider delivers 1.9× the peer median.Open Payments
Industry payments received
All-time total
$258,014
Transactions
273
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 44 | $68,741.75 | |
| Lilly USA, LLC | 70 | $65,881.56 | |
| Abbvie INC. | 57 | $39,104.57 | |
| Pfizer INC. | 34 | $28,435.75 | |
| Takeda Pharmaceuticals U.S.A., INC. | 5 | $14,784.81 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $10,985.32 | |
| Merck Sharp & Dohme LLC | 9 | $8,593.43 | |
| Eli Lilly and Company | 12 | $7,534.29 | |
| Pharmacosmos Therapeutics INC. | 1 | $3,340.00 | |
| Novo Nordisk INC | 1 | $2,712.50 | |
| Genentech USA, INC. | 4 | $1,628.20 | |
| Celltrion USA INC. | 8 | $1,466.73 | |
| GastroGPO, LLC | 3 | $1,406.00 | |
| Janssen Scientific Affairs, LLC | 14 | $1,186.67 | |
| Celgene Corporation | 7 | $1,108.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
143
Patients
0
Total drug cost
$556,831
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Esomeprazole Magnesium | Generic | 30 | 0 | $974 |
| Stelara (Ustekinumab) | Brand | 19 | 0 | $528,195 |
| Mesalamine | Generic | 17 | 0 | $17,357 |
| Prednisone | Generic | 16 | 0 | $82 |
| Alprazolam | Generic | 13 | 0 | $31 |
| Pantoprazole Sodium | Generic | 13 | 0 | $327 |
| Adefovir Dipivoxil | Generic | 12 | 0 | $8,872 |
| Desipramine Hcl | Generic | 12 | 0 | $631 |
| Omeprazole | Generic | 11 | 0 | $361 |
Frequently asked questions
What is Dr. Timothy Ritter's medical specialty?
Dr. Timothy Ritter practices Gastroenterology Physician in Southlake, TX.
Where does Dr. Timothy Ritter practice?
Dr. Timothy Ritter practices at 505 S Nolen Dr, Southlake, TX 760929167. Office phone: 8174241525.
What is Dr. Timothy Ritter's NPI?
Dr. Timothy Ritter's National Provider Identifier (NPI) is 1235115189, issued by NPPES.
Does Dr. Timothy Ritter accept Medicare assignment?
Yes. Dr. Timothy Ritter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Ritter commonly perform?
Top Medicare-reported procedures in 2023: Measurement of liver stiffness (HCPCS 91200); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.