Doctor profile · Federal record

Dr. Anthony Massimillo, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Mineola, NY

  • NPI 1043277692
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Old Country RD Ste 31
Mineola, NY 115014112
(516) 294-9380
fax (516) 294-5351
Additional location
901 Stewart Ave, Suite 235
Garden City, NY 115304893
(516) 742-5252
fax (516) 742-7623

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 27, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #169701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043277692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
472
Distinct HCPCS
9
Medicare allowed
$78,416
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 176 154 $148
99204 New patient office or other outpatient visit, 45-59 minutes 93 93 $195
45378 Diagnostic exam of large bowel using a flexible endoscope 66 66 $219
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 36 35 $105
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $133
45380 Biopsy of large bowel using a flexible endoscope 21 21 $185
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 20 20 $277
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 18 18 $89
99213 Established patient office or other outpatient visit, 20-29 minutes 18 18 $106

In context: peer comparison

Among 4 peers in Mineola Gastroenterology Physician, average services per provider: 51. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pentax of America, INC. 1 $13.76

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,422
Patients
549
Total drug cost
$70,407
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 396 143 $5,545
Famotidine Generic 191 68 $2,894
Omeprazole Generic 177 68 $2,870
Amitriptyline Hcl Generic 154 44 $2,542
Dicyclomine Hcl Generic 150 57 $3,576
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 89 88 $6,230
Balsalazide Disodium Generic 49 0 $12,646
Hydrocortisone Generic 44 31 $868
Mesalamine Generic 39 13 $26,373
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 34 18 $1,154

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anthony Massimillo's medical specialty?
Dr. Anthony Massimillo practices Gastroenterology Physician in Mineola, NY.
Where does Dr. Anthony Massimillo practice?
Dr. Anthony Massimillo practices at 300 Old Country RD Ste 31, Mineola, NY 115014112. Office phone: 5162949380.
What is Dr. Anthony Massimillo's NPI?
Dr. Anthony Massimillo's National Provider Identifier (NPI) is 1043277692, issued by NPPES.
Does Dr. Anthony Massimillo accept Medicare assignment?
Yes. Dr. Anthony Massimillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Massimillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378). Source: CMS Medicare Physician & Other Practitioners file.