Doctor profile · Federal record

Dr. Matthew Freeby, M.D.

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

  • NPI 1013189646
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1150 Saint Nicholas Ave, 2Nd Floor
New York, NY 100323822
(212) 851-5494
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
December 11, 2024
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
New York #236454
Medicaid
NY #02981533

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013189646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,081
Distinct HCPCS
10
Medicare allowed
$78,368
HCPCS Description Services Patients Avg allowed
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 210 68 $60
99214 Established patient office or other outpatient visit, 30-39 minutes 200 128 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 113 71 $104
83036 Hemoglobin a1c level 112 80 $9
82947 Blood glucose (sugar) level 110 77 $4
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 92 28 $85
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 83 42 $37
G0109 Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes 50 15 $17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 28 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 27 24 $197

In context: peer comparison

Among 92 peers in New York Endocrinology, Diabetes & Metabolism Physician, average services per provider: 220. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$124
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Corcept Therapeutics 1 $90.39
Insulet Corporation 2 $33.23

By nature of payment

Food and Beverage
$124

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,942
Patients
519
Total drug cost
$1,327,531
Drug Type Claims Patients Total cost
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 231 66 $158,354
Metformin Hcl ER (Metformin Hcl) Brand 216 64 $4,035
Metformin Hcl Generic 203 62 $3,146
Jardiance (Empagliflozin) Brand 198 43 $230,426
Ozempic (Semaglutide) Brand 160 34 $241,941
Trulicity (Dulaglutide) Brand 151 32 $253,800
Levothyroxine Sodium Generic 138 36 $2,406
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 131 50 $15,958
Atorvastatin Calcium Generic 95 28 $1,522
Repaglinide Generic 84 23 $7,382

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Freeby's medical specialty?
Dr. Matthew Freeby practices Endocrinology, Diabetes & Metabolism Physician in New York, NY.
Where does Dr. Matthew Freeby practice?
Dr. Matthew Freeby practices at 1150 Saint Nicholas Ave, New York, NY 100323822. Office phone: 2128515494.
What is Dr. Matthew Freeby's NPI?
Dr. Matthew Freeby's National Provider Identifier (NPI) is 1013189646, issued by NPPES.
Does Dr. Matthew Freeby accept Medicare assignment?
Yes. Dr. Matthew Freeby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Freeby commonly perform?
Top Medicare-reported procedures in 2023: Diabetes outpatient self-management training services, individual, per 30 minutes (HCPCS G0108); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.