Doctor profile · Federal record

Dr. Kammi Grayson, DO

Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Sleep Medicine (Internal Medicine) Physician · Neurology Physician · New York, NY

  • NPI 1376919589
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
724 2Nd Ave
New York, NY 100162710
(929) 455-2323
Additional location
200 1St St Sw
Rochester, MN 559056402
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
August 2015 — 11 yrs on file
Profile last updated
May 3, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State licenses (2)
New York #314059 · Minnesota #66848

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376919589. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
272
Distinct HCPCS
9
Medicare allowed
$70,402
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 76 63 $146
99215 Established patient office or other outpatient visit, 40-54 minutes 45 37 $206
95800 Sleep study including heart rate, breathing, and sleep time 29 29 $109
94660 Therapy procedure using a positive pressure ventilator 25 25 $74
95810 Sleep study in sleep lab (6 years or older) 25 25 $725
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $255
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 22 22 $759
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $193
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $105

In context: peer comparison

Among 9 peers in New York Sleep Medicine (Internal Medicine) Physician, average services per provider: 53. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,789
Transactions
85
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Jazz Pharmaceuticals INC. 14 $837.32
Harmony Biosciences LLC 40 $692.33
Avadel CNS Pharmaceuticals, LLC 10 $639.25
Axsome Therapeutics, INC. 3 $277.53
Neurelis, INC. 4 $86.63
Harmony Biosciences LLC 6 $70.56
Idorsia Pharmaceuticals US INC 3 $58.73
Inspire Medical Systems, INC. 1 $39.79
Zoll Respicardia, INC. 1 $26.87
Resmed Corp 1 $21.39
Lilly USA, LLC 1 $21.36
Azurity Pharmaceuticals, INC. 1 $17.38

By nature of payment

Food and Beverage
$2,789

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
112
Patients
0
Total drug cost
$2,169
Drug Type Claims Patients Total cost
Gabapentin Generic 39 0 $832
Clonazepam Generic 28 0 $642
Zolpidem Tartrate Generic 21 0 $152
Mirtazapine Generic 13 0 $475
Alprazolam Generic 11 0 $67

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kammi Grayson's medical specialty?
Dr. Kammi Grayson practices Sleep Medicine (Internal Medicine) Physician in New York, NY.
Where does Dr. Kammi Grayson practice?
Dr. Kammi Grayson practices at 724 2Nd Ave, New York, NY 100162710. Office phone: 9294552323.
What is Dr. Kammi Grayson's NPI?
Dr. Kammi Grayson's National Provider Identifier (NPI) is 1376919589, issued by NPPES.
Does Dr. Kammi Grayson accept Medicare assignment?
Yes. Dr. Kammi Grayson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kammi Grayson 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); Sleep study including heart rate, breathing, and sleep time (HCPCS 95800). Source: CMS Medicare Physician & Other Practitioners file.