Doctor profile · Federal record
Dr. Mark Geyer, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · New York, NY
- NPI 1831482561
- Accepts Medicare
- MIPS 74.0 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1275 York Ave
New York, NY 100656007
(212) 639-2000 - Mailing address
-
450 East 63Rd Street, #11-I
New York, NY 10065
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- May 8, 2020
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- New York #274263
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831482561. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
581
Distinct HCPCS
7
Medicare allowed
$69,168
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 144 | 28 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 133 | 79 | $74 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 129 | 74 | $110 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 86 | 58 | $161 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $205 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 11 | $89 | |
99238 |
Hospital discharge day management, 30 minutes or less | 20 | 20 | $91 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 411. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$10,426
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | 5 | $10,333.62 | |
| AstraZeneca Pharmaceuticals LP | 1 | $92.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
197
Patients
0
Total drug cost
$1,332,811
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Imatinib Mesylate | Generic | 38 | 0 | $39,194 |
| Imbruvica (Ibrutinib) | Brand | 33 | 0 | $513,019 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 18 | 0 | $192 |
| Acyclovir | Generic | 17 | 0 | $976 |
| Venclexta (Venetoclax) | Brand | 15 | 0 | $180,311 |
| Calquence (Acalabrutinib Maleate) | Brand | 14 | 0 | $196,041 |
| Prednisone | Generic | 14 | 0 | $67 |
| Brukinsa (Zanubrutinib) | Brand | 13 | 0 | $187,928 |
| Allopurinol | Generic | 12 | 0 | $111 |
| Methotrexate (Methotrexate Sodium) | Brand | 12 | 0 | $523 |
Frequently asked questions
What is Dr. Mark Geyer's medical specialty?
Dr. Mark Geyer practices Hematology & Oncology Physician in New York, NY.
Where does Dr. Mark Geyer practice?
Dr. Mark Geyer practices at 1275 York Ave, New York, NY 100656007. Office phone: 2126392000.
What is Dr. Mark Geyer's NPI?
Dr. Mark Geyer's National Provider Identifier (NPI) is 1831482561, issued by NPPES.
Does Dr. Mark Geyer accept Medicare assignment?
Yes. Dr. Mark Geyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Geyer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.