Doctor profile · Federal record
Dr. Sebastian Alexander Mayer, MD
Hematology & Oncology Physician (CMS: Hematopoietic Cell Transplantation and Cellular Therapy) · Hematology (Internal Medicine) Physician · New York, NY
- NPI 1982627873
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
520 E. 70Th Street, Starr 3
New York, NY 10021
(212) 241-6756
fax (212) 731-5220 - Mailing address
-
Gpo Box 5907
New York, NY 100875907
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 19, 2011
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- New York #230196
- Medicaid
- NY #02801572
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982627873. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
738
Distinct HCPCS
4
Medicare allowed
$101,495
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 282 | 46 | $136 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 264 | 41 | $162 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 167 | 56 | $110 | |
38222 |
Biopsy and aspiration of bone marrow sample for diagnosis | 25 | 15 | $85 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 411. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$101
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SANOFI-AVENTIS U.S. LLC | 2 | $80.40 | |
| JAZZ PHARMACEUTICALS INC. | 1 | $20.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
285
Patients
33
Total drug cost
$291,471
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Valacyclovir (Valacyclovir Hcl) | Brand | 96 | 21 | $5,266 |
| Pantoprazole Sodium | Generic | 47 | 12 | $667 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 46 | 0 | $378 |
| Prednisone | Generic | 24 | 0 | $230 |
| Tamsulosin Hcl | Generic | 22 | 0 | $213 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 15 | 0 | $283,329 |
| Fluconazole | Generic | 13 | 0 | $802 |
| Labetalol Hcl | Generic | 11 | 0 | $433 |
| Levofloxacin | Generic | 11 | 0 | $155 |
Hospital affiliations
Frequently asked questions
What is Dr. Sebastian Alexander Mayer's medical specialty?
Dr. Sebastian Alexander Mayer practices Hematology & Oncology Physician in New York, NY.
Where does Dr. Sebastian Alexander Mayer practice?
Dr. Sebastian Alexander Mayer practices at 520 E. 70Th Street, New York, NY 10021. Office phone: 2122416756.
What is Dr. Sebastian Alexander Mayer's NPI?
Dr. Sebastian Alexander Mayer's National Provider Identifier (NPI) is 1982627873, issued by NPPES.
Does Dr. Sebastian Alexander Mayer accept Medicare assignment?
Yes. Dr. Sebastian Alexander Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sebastian Alexander Mayer 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 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.