Doctor profile · Federal record

Dr. Loren Greene, M.D.

Endocrinology, Diabetes & Metabolism Physician · New York, NY

  • NPI 1881607810
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
650 First Avenue, 7Th Floor
New York, NY 100163240
(212) 263-7449
fax (212) 263-5574
Mailing address
650 1St Ave, 7Th Floor
New York, NY 100163240

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 2, 2012
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
New York #127405

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881607810. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
303
Distinct HCPCS
4
Medicare allowed
$30,481
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 172 98 $34
99215 Established patient office or other outpatient visit, 40-54 minutes 91 84 $193
99443 Telephone medical discussion with physician, 21-30 minutes 25 24 $137
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $239

In context: peer comparison

Among 92 peers in New York Endocrinology, Diabetes & Metabolism Physician, average services per provider: 220. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$469
Transactions
15
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, INC. 7 $263.42
Pfizer INC. 3 $82.34
Amgen INC. 3 $74.48
Radius Health, INC. 1 $35.31
Abbott Laboratories 1 $13.74

By nature of payment

Food and Beverage
$469

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
871
Patients
212
Total drug cost
$143,387
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 406 103 $40,687
Rosuvastatin Calcium Generic 72 21 $1,314
Alendronate Sodium Generic 59 16 $1,546
Atorvastatin Calcium Generic 56 17 $563
Liothyronine Sodium Generic 42 12 $1,482
Levoxyl (Levothyroxine Sodium) Brand 39 13 $1,684
Metformin Hcl Generic 38 17 $545
Tresiba Flextouch U-100 (Insulin Degludec) Brand 33 13 $18,983
Mounjaro (Tirzepatide) Brand 23 0 $33,332
Fludrocortisone Acetate Generic 21 0 $490

Frequently asked questions

Auto-generated from federal data
What is Dr. Loren Greene's medical specialty?
Dr. Loren Greene practices Endocrinology, Diabetes & Metabolism Physician in New York, NY.
Where does Dr. Loren Greene practice?
Dr. Loren Greene practices at 650 First Avenue, New York, NY 100163240. Office phone: 2122637449.
What is Dr. Loren Greene's NPI?
Dr. Loren Greene's National Provider Identifier (NPI) is 1881607810, issued by NPPES.
What procedures does Dr. Loren Greene commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.