Doctor profile · Federal record
Dr. Bartlomiej Posnik, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Medical Oncology Physician · Student in an Organized Health Care Education/Training Program · Bastrop, TX
- NPI 1609286251
- Accepts Medicare
- MIPS 86.7 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3107 Highway 71 E
Bastrop, TX 786025158
(512) 308-9024
fax (512) 308-9074 - Mailing address
-
Po Box 911230
Dallas, TX 753911230
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- June 25, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Texas #S4844
- Medicaid (2)
- TX #413328202 · TX #413328201
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609286251. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
92,340
Distinct HCPCS
10
Medicare allowed
$1,351,734
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q0138 |
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 37,230 | 35 | $0 | |
J9271 |
Injection, pembrolizumab, 1 mg | 18,200 | 13 | $54 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 13,195 | 16 | $3 | |
J1756 |
Injection, iron sucrose, 1 mg | 9,000 | 13 | $0 | |
J1453 |
Injection, fosaprepitant, 1 mg | 5,400 | 13 | $0 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,140 | 35 | $0 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 986 | 253 | $8 | |
36415 |
Insertion of needle into vein for collection of blood sample | 876 | 260 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 759 | 233 | $10 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 491 | 244 | $122 |
In context: peer comparison
Among 2 peers in Bastrop Hematology & Oncology Physician, average services per provider: 1,402. This provider delivers 66× the peer median.Open Payments
Industry payments received
All-time total
$1,750
Transactions
66
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 10 | $195.63 | |
| AstraZeneca Pharmaceuticals Lp | 7 | $188.56 | |
| E.R. Squibb & Sons, L.L.C. | 11 | $131.81 | |
| Novartis Pharmaceuticals Corporation | 6 | $129.84 | |
| Eisai INC. | 5 | $102.23 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $94.84 | |
| Merck Sharp & Dohme LLC | 4 | $80.73 | |
| Astellas Pharma US INC | 4 | $74.29 | |
| Regeneron Healthcare Solutions, INC. | 3 | $65.69 | |
| Celgene Corporation | 3 | $61.87 | |
| Gilead Sciences, INC. | 2 | $52.63 | |
| Lilly USA, LLC | 2 | $44.90 | |
| Incyte Corporation | 2 | $43.71 | |
| Janssen Biotech, INC. | 2 | $41.97 | |
| Abbvie INC. | 1 | $36.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
601
Patients
133
Total drug cost
$600,170
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 168 | 40 | $3,897 |
| Eliquis (Apixaban) | Brand | 68 | 18 | $41,901 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 48 | 26 | $1,750 |
| Hydroxyurea | Generic | 35 | 0 | $1,192 |
| Ondansetron Odt (Ondansetron) | Brand | 33 | 20 | $797 |
| Gabapentin | Generic | 31 | 0 | $882 |
| Dexamethasone | Generic | 30 | 17 | $582 |
| Revlimid (Lenalidomide) | Brand | 29 | 0 | $524,163 |
| Duloxetine Hcl | Generic | 26 | 12 | $391 |
| Tamoxifen Citrate | Generic | 24 | 0 | $722 |
Frequently asked questions
What is Dr. Bartlomiej Posnik's medical specialty?
Dr. Bartlomiej Posnik practices Hematology & Oncology Physician in Bastrop, TX.
Where does Dr. Bartlomiej Posnik practice?
Dr. Bartlomiej Posnik practices at 3107 Highway 71 E, Bastrop, TX 786025158. Office phone: 5123089024.
What is Dr. Bartlomiej Posnik's NPI?
Dr. Bartlomiej Posnik's National Provider Identifier (NPI) is 1609286251, issued by NPPES.
Does Dr. Bartlomiej Posnik accept Medicare assignment?
Yes. Dr. Bartlomiej Posnik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bartlomiej Posnik commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881). Source: CMS Medicare Physician & Other Practitioners file.