Doctor profile · Federal record

Dr. Julie Anne Gemmill, DO, MS

Hematology & Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Stony Brook, NY

  • NPI 1619313160
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Lauterbur Drive
Stony Brook, NY 117948160
(631) 722-2623
Mailing address
101 Nicolls Road, Hsc T15-040
Stony Brook, NY 117940001

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
January 18, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
New York #289334 · New York #289334-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619313160. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
422
Distinct HCPCS
7
Medicare allowed
$73,369
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 186 58 $205
99214 Established patient office or other outpatient visit, 30-39 minutes 93 61 $146
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 53 19 $136
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 14 $91
99205 New patient office or other outpatient visit, 60-74 minutes 27 27 $256
99213 Established patient office or other outpatient visit, 20-29 minutes 14 13 $106
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $199

In context: peer comparison

Among 5 peers in Stony Brook Hematology & Oncology Physician, average services per provider: 233. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$362
Transactions
10
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Intera Oncology, INC 2 $192.09
AstraZeneca Pharmaceuticals Lp 2 $44.38
TerSera Therapeutics LLC 2 $35.15
Incyte Corporation 1 $26.06
Merck Sharp & Dohme LLC 1 $25.34
Abbvie INC. 1 $24.50
Lilly USA, LLC 1 $14.73

By nature of payment

Food and Beverage
$362

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
11
Total drug cost
$15,490
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 21 0 $14,132
Prochlorperazine Maleate Generic 18 11 $446
Potassium Chloride Generic 12 0 $160
Ondansetron Odt (Ondansetron) Brand 11 0 $633
Pantoprazole Sodium Generic 11 0 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Anne Gemmill's medical specialty?
Dr. Julie Anne Gemmill practices Hematology & Oncology Physician in Stony Brook, NY.
Where does Dr. Julie Anne Gemmill practice?
Dr. Julie Anne Gemmill practices at Lauterbur Drive, Stony Brook, NY 117948160. Office phone: 6317222623.
What is Dr. Julie Anne Gemmill's NPI?
Dr. Julie Anne Gemmill's National Provider Identifier (NPI) is 1619313160, issued by NPPES.
Does Dr. Julie Anne Gemmill accept Medicare assignment?
Yes. Dr. Julie Anne Gemmill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Anne Gemmill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.