Doctor profile · Federal record

Dr. Leonard Naymagon, MD

Hematology (Internal Medicine) Physician (CMS: Hematology) · Student in an Organized Health Care Education/Training Program · New York, NY

  • NPI 1952712234
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
10 E 102Nd St
New York, NY 100296030
(212) 241-6756
Additional location
1 Gustave L Levy Pl
New York, NY 100296504
Additional location
550 1St Ave, NYU Langone Medical Center
New York, NY 100166402
(212) 263-5506
Mailing address
150 E 42Nd St Fl 9
Brooklyn, NY 112033047

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
July 6, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
New York #283062

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952712234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
548
Distinct HCPCS
10
Medicare allowed
$60,592
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 121 61 $107
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 85 84 $40
99214 Established patient office or other outpatient visit, 30-39 minutes 49 34 $111
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $153
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 43 $198
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 37 25 $136
99203 New patient office or other outpatient visit, 30-44 minutes 33 33 $96
99215 Established patient office or other outpatient visit, 40-54 minutes 30 16 $163
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 19 $90
99213 Established patient office or other outpatient visit, 20-29 minutes 28 24 $75

In context: peer comparison

Among 19 peers in this city , average services per provider: 84. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
SHIELD THERAPEUTICS INC 2 $41.49

By nature of payment

Food and Beverage
$41

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
587
Patients
83
Total drug cost
$1,434,151
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 239 47 $170,536
Xarelto (Rivaroxaban) Brand 155 36 $118,043
Procrit (Epoetin Alfa) Brand 30 0 $91,950
Imatinib Mesylate Generic 26 0 $55,514
Hydroxyurea Generic 19 0 $762
Pantoprazole Sodium Generic 17 0 $205
Promacta (Eltrombopag Olamine) Brand 14 0 $103,659
Tasigna (Nilotinib Hcl) Brand 14 0 $278,032
Doptelet (Avatrombopag Maleate) Brand 13 0 $319,739
Tavalisse (Fostamatinib Disodium) Brand 13 0 $182,561

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leonard Naymagon's medical specialty?
Dr. Leonard Naymagon practices Hematology (Internal Medicine) Physician in New York, NY.
Where does Dr. Leonard Naymagon practice?
Dr. Leonard Naymagon practices at 10 E 102Nd St, New York, NY 100296030. Office phone: 2122416756.
What is Dr. Leonard Naymagon's NPI?
Dr. Leonard Naymagon's National Provider Identifier (NPI) is 1952712234, issued by NPPES.
Does Dr. Leonard Naymagon accept Medicare assignment?
Yes. Dr. Leonard Naymagon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Naymagon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.