Doctor profile · Federal record
Dr. Marisa Siebel, M.D.
Medical Oncology Physician (CMS: Medical Oncology) · New Hyde Park, NY
- NPI 1942303094
- Accepts Medicare
- MIPS 71.2 / 100 · 2023
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
450 Lakeville RD
New Hyde Park, NY 110421118
(516) 734-7671 - Mailing address
-
440 Main Street, Northwell Health Cancer Institute, Imbert Cancer Center
Bay Shore, NY 11706
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- September 14, 2016
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- New York #240929
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942303094. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,129
Distinct HCPCS
7
Medicare allowed
$156,672
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 438 | 184 | $161 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 230 | 101 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 172 | 80 | $110 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 144 | 128 | $199 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 55 | 42 | $108 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 37 | $75 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 37 | 37 | $207 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 131. This provider delivers 8.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
18
Patients
0
Total drug cost
$325,034
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Zejula (Niraparib Tosylate) | Brand | 18 | 0 | $325,034 |
Hospital affiliations
Frequently asked questions
What is Dr. Marisa Siebel's medical specialty?
Dr. Marisa Siebel practices Medical Oncology Physician in New Hyde Park, NY.
Where does Dr. Marisa Siebel practice?
Dr. Marisa Siebel practices at 450 Lakeville RD, New Hyde Park, NY 110421118. Office phone: 5167347671.
What is Dr. Marisa Siebel's NPI?
Dr. Marisa Siebel's National Provider Identifier (NPI) is 1942303094, issued by NPPES.
Does Dr. Marisa Siebel accept Medicare assignment?
Yes. Dr. Marisa Siebel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marisa Siebel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.