Doctor profile · Federal record

Dr. Grenye O Malley, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · New York, NY

  • NPI 1992048078
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
5 E 98Th St
New York, NY 100296501
(212) 241-3422
Additional location
1 Gustave L Levy Pl
New York, NY 100296504
(212) 241-6500
Additional location
1000 10Th Ave
New York, NY 100191147
(212) 523-4000
Show 2 more locations
Additional location
1111 Amsterdam Ave
New York, NY 100251716
(212) 523-4000
Additional location
1111 Amsterdam Ave Fl 10
New York, NY 100251716
(212) 523-8672
Mailing address
1 Gustave L Levy Pl # 3000
New York, NY 100296504

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
February 21, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
New York #285655

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992048078. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
178
Distinct HCPCS
3
Medicare allowed
$17,365
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 110 80 $147
36415 Insertion of needle into vein for collection of blood sample 50 45 $8
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 18 17 $40

In context: peer comparison

Among 92 peers in this city , average services per provider: 220. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$116
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tandem Diabetes Care, Inc. 1 $116.00

By nature of payment

Food and Beverage
$116

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
698
Patients
186
Total drug cost
$508,765
Drug Type Claims Patients Total cost
Trulicity (Dulaglutide) Brand 85 27 $161,824
Levothyroxine Sodium Generic 84 32 $1,259
Metformin Hcl Er (Metformin Hcl) Brand 81 32 $1,245
Jardiance (Empagliflozin) Brand 74 24 $102,094
Metformin Hcl Generic 56 16 $530
Novolog Flexpen (Insulin Aspart) Brand 46 15 $46,101
Alendronate Sodium Generic 42 13 $829
Rybelsus (Semaglutide) Brand 35 0 $51,308
Ozempic (Semaglutide) Brand 33 14 $62,420
Atorvastatin Calcium Generic 30 13 $538

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grenye O Malley's medical specialty?
Dr. Grenye O Malley practices Endocrinology, Diabetes & Metabolism Physician in New York, NY.
Where does Dr. Grenye O Malley practice?
Dr. Grenye O Malley practices at 5 E 98Th St, New York, NY 100296501. Office phone: 2122413422.
What is Dr. Grenye O Malley's NPI?
Dr. Grenye O Malley's National Provider Identifier (NPI) is 1992048078, issued by NPPES.
Does Dr. Grenye O Malley accept Medicare assignment?
Yes. Dr. Grenye O Malley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grenye O Malley commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451). Source: CMS Medicare Physician & Other Practitioners file.