Doctor profile · Federal record

Dr. John Gullo, MD

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Brunswick, ME

  • NPI 1700865243
  • Accepts Medicare
  • MIPS 93.1 / 100 · 2023
  • 54 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
329 Maine St Ste E101
Brunswick, ME 040113310
(207) 373-2266
fax (207) 910-4413
Additional location
116 Northport Ave Ste 112
Belfast, ME 049156096
(207) 505-4163
fax (207) 613-2570
Additional location
159 Main St
Norway, ME 042685638
(207) 743-2945
fax (207) 743-2751
Show 2 more locations
Additional location
265 Western Ave Ste 2
South Portland, ME 041062458
(207) 661-0200
fax (207) 661-0299
Additional location
5008 Brittonfield Pkwy, Suite 700
East Syracuse, NY 130579248
(315) 472-7504
fax (315) 479-8639

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
April 8, 2025
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (2)
Maine #MD21675 · New York #137981-1
Medicaid
NY #00602671

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700865243. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
357
Distinct HCPCS
7
Medicare allowed
$30,926
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 162 81 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 78 43 $65
99213 Established patient office or other outpatient visit, 20-29 minutes 29 19 $63
99442 Telephone medical discussion with physician, 11-20 minutes 28 19 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 25 18 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 21 13 $142
99443 Telephone medical discussion with physician, 21-30 minutes 14 12 $91

In context: peer comparison

Among 1 peers in Brunswick Medical Oncology Physician, average services per provider: 51. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$97
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tempus Ai, INC 1 $96.51

By nature of payment

Food and Beverage
$97

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
363
Patients
79
Total drug cost
$31,756
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 47 34 $524
Oxycodone Hcl Generic 40 0 $993
Prednisone Generic 35 0 $316
Acyclovir Generic 33 11 $1,269
Morphine Sulfate ER (Morphine Sulfate) Brand 31 0 $1,043
Dexamethasone Generic 30 15 $368
Letrozole Generic 28 0 $913
Eliquis (Apixaban) Brand 21 0 $16,649
Ondansetron Hcl Generic 21 19 $329
Hydroxyurea Generic 16 0 $329

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Gullo's medical specialty?
Dr. John Gullo practices Medical Oncology Physician in Brunswick, ME.
Where does Dr. John Gullo practice?
Dr. John Gullo practices at 329 Maine St Ste E101, Brunswick, ME 040113310. Office phone: 2073732266.
What is Dr. John Gullo's NPI?
Dr. John Gullo's National Provider Identifier (NPI) is 1700865243, issued by NPPES.
Does Dr. John Gullo accept Medicare assignment?
Yes. Dr. John Gullo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Gullo 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 99213); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.