Doctor profile · Federal record
Dr. Mark Jennings, MD
Internal Medicine Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Allen, TX
- NPI 1336379783
- Accepts Medicare
- MIPS 89.6 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1105 Central Expy N Ste 235
Allen, TX 750136135
(972) 747-6042
fax (972) 747-6043
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- September 12, 2012
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #P1880
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336379783. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
138,192
Distinct HCPCS
10
Medicare allowed
$2,592,768
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9299 |
Injection, nivolumab, 1 mg | 15,820 | 22 | $30 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 15,025 | 165 | $0 | |
J1439 |
Injection, ferric carboxymaltose, 1 mg | 15,000 | 20 | $1 | |
J9267 |
Injection, paclitaxel, 1 mg | 12,963 | 44 | $0 | |
J9271 |
Injection, pembrolizumab, 1 mg | 11,800 | 24 | $54 | |
J1627 |
Injection, granisetron, extended-release, 0.1 mg | 9,600 | 68 | $6 | |
J0185 |
Injection, aprepitant, 1 mg | 8,060 | 47 | $2 | |
J9144 |
Injection, daratumumab, 10 mg and hyaluronidase-fihj | 7,380 | 22 | $48 | |
J9263 |
Injection, oxaliplatin, 0.5 mg | 6,400 | 17 | $0 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,932 | 192 | $0 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 954. This provider delivers 145× the peer median.Open Payments
Industry payments received
All-time total
$738
Transactions
40
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 22 | $259.96 | |
| INTUITIVE SURGICAL, INC. | 1 | $129.89 | |
| Ipsen Biopharmaceuticals, Inc | 5 | $81.15 | |
| Bayer Healthcare Pharmaceuticals Inc. | 2 | $52.35 | |
| Novartis Pharmaceuticals Corporation | 2 | $44.24 | |
| Genmab U.S., Inc. | 1 | $33.16 | |
| GlaxoSmithKline, LLC. | 2 | $31.77 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $28.96 | |
| Merck Sharp & Dohme LLC | 1 | $22.00 | |
| ABBVIE INC. | 1 | $21.62 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $18.61 | |
| Astellas Pharma US Inc | 1 | $14.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,146
Patients
435
Total drug cost
$93,453
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 120 | 43 | $3,906 |
| Prochlorperazine Maleate | Generic | 116 | 73 | $2,107 |
| Dexamethasone | Generic | 98 | 48 | $2,209 |
| Anastrozole | Generic | 92 | 22 | $1,833 |
| Hydroxyurea | Generic | 87 | 20 | $2,430 |
| Tamoxifen Citrate | Generic | 84 | 20 | $3,711 |
| Ondansetron Hcl | Generic | 80 | 55 | $1,017 |
| Potassium Chloride | Generic | 73 | 16 | $1,498 |
| Levofloxacin | Generic | 62 | 57 | $513 |
| Prednisone | Generic | 61 | 22 | $390 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Jennings's medical specialty?
Dr. Mark Jennings practices Internal Medicine Physician in Allen, TX.
Where does Dr. Mark Jennings practice?
Dr. Mark Jennings practices at 1105 Central Expy N Ste 235, Allen, TX 750136135. Office phone: 9727476042.
What is Dr. Mark Jennings's NPI?
Dr. Mark Jennings's National Provider Identifier (NPI) is 1336379783, issued by NPPES.
Does Dr. Mark Jennings accept Medicare assignment?
Yes. Dr. Mark Jennings accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Jennings commonly perform?
Top Medicare-reported procedures in 2023: Injection, nivolumab, 1 mg (HCPCS J9299); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439). Source: CMS Medicare Physician & Other Practitioners file.