Doctor profile · Federal record

Dr. Neil Iyengar, M.D.

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

  • NPI 1194987230
  • Accepts Medicare
  • MIPS 84.6 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1275 York Ave
New York, NY 100656007
(212) 639-2000

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
August 7, 2014
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
New York #260648-1 · Illinois #125054742 · New York #260648

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194987230. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
141
Distinct HCPCS
3
Medicare allowed
$17,857
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 106 62 $109
99215 Established patient office or other outpatient visit, 40-54 minutes 20 14 $160
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $204

In context: peer comparison

Among 103 peers in New York Hematology & Oncology Physician, average services per provider: 411. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135,954
Transactions
91
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 15 $37,915.42
Gilead Sciences, INC. 24 $23,072.23
Genentech USA, INC. 19 $22,362.51
AstraZeneca Pharmaceuticals Lp 14 $21,481.92
Daiichi Sankyo Company LTD 5 $14,465.81
Novartis Pharmaceuticals Corporation 7 $8,693.44
Davol INC. 2 $2,400.00
Stemline Therapeutics INC. 1 $1,950.00
AstraZeneca Uk Limited 3 $1,899.97
Daiichi Sankyo INC. 1 $1,712.50

By nature of payment

Consulting Fee
$67,340
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$43,485
Travel and Lodging
$22,655
Food and Beverage
$2,474

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
21
Total drug cost
$2,212
Drug Type Claims Patients Total cost
Letrozole Generic 60 21 $1,190
Anastrozole Generic 17 0 $558
Tamoxifen Citrate Generic 15 0 $464

Frequently asked questions

Auto-generated from federal data
What is Dr. Neil Iyengar's medical specialty?
Dr. Neil Iyengar practices Hematology & Oncology Physician in New York, NY.
Where does Dr. Neil Iyengar practice?
Dr. Neil Iyengar practices at 1275 York Ave, New York, NY 100656007. Office phone: 2126392000.
What is Dr. Neil Iyengar's NPI?
Dr. Neil Iyengar's National Provider Identifier (NPI) is 1194987230, issued by NPPES.
Does Dr. Neil Iyengar accept Medicare assignment?
Yes. Dr. Neil Iyengar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Neil Iyengar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.