Doctor profile · Federal record

Dr. Jeffrey Zwicker, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · New York, NY

  • NPI 1851330849
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
530 E 74Th St Rm 20-282
New York, NY 100213459
(646) 608-2023

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 30, 2022
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State licenses (2)
New York #319926 · Massachusetts #208750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851330849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
183
Distinct HCPCS
8
Medicare allowed
$23,898
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 42 29 $109
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $150
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 15 $89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 20 $146
99213 Established patient office or other outpatient visit, 20-29 minutes 19 17 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 19 14 $133
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $194
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $204

In context: peer comparison

Among 19 peers in this city , average services per provider: 84. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$91,196
Transactions
44
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca UK Limited 10 $49,665.00
Regeneron Pharmaceuticals, Inc. 22 $24,475.44
Celgene Corporation 9 $11,371.11
E.R. Squibb & Sons, L.L.C. 1 $4,297.50
Incyte Corporation 1 $1,370.00
Agios Pharmaceuticals, Inc. 1 $16.53

By nature of payment

Consulting Fee
$64,139
Travel and Lodging
$26,138
Food and Beverage
$902
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
36
Total drug cost
$79,027
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 50 21 $49,144
Enoxaparin Sodium Generic 23 15 $10,101
Xarelto (Rivaroxaban) Brand 19 0 $19,782

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Zwicker's medical specialty?
Dr. Jeffrey Zwicker practices Hematology (Internal Medicine) Physician in New York, NY.
Where does Dr. Jeffrey Zwicker practice?
Dr. Jeffrey Zwicker practices at 530 E 74Th St Rm 20-282, New York, NY 100213459. Office phone: 6466082023.
What is Dr. Jeffrey Zwicker's NPI?
Dr. Jeffrey Zwicker's National Provider Identifier (NPI) is 1851330849, issued by NPPES.
Does Dr. Jeffrey Zwicker accept Medicare assignment?
Yes. Dr. Jeffrey Zwicker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Zwicker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.