Doctor profile · Federal record

Dr. Brian Markowitz

Gastroenterology Physician (CMS: Gastroenterology) · Bethpage, NY

  • NPI 1073812830
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
185 Central Ave
Bethpage, NY 117143927
(516) 758-8600
Additional location
2800 Marcus Ave
New Hyde Park, NY 110421113
(516) 622-6076
Additional location
300 Community Dr
Manhasset, NY 110303816
(516) 562-0100
Mailing address
300 Community Dr
Manhasset, NY 110303816

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
November 29, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #267938

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073812830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
514
Distinct HCPCS
8
Medicare allowed
$105,196
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 118 94 $106
99203 New patient office or other outpatient visit, 30-44 minutes 85 85 $135
45380 Biopsy of large bowel using a flexible endoscope 62 62 $292
99214 Established patient office or other outpatient visit, 30-39 minutes 58 51 $151
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 53 53 $556
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 51 49 $321
36415 Insertion of needle into vein for collection of blood sample 46 40 $8
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $198

In context: peer comparison

Among 5 peers in Bethpage Gastroenterology Physician, average services per provider: 59. This provider delivers 8.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
299
Patients
140
Total drug cost
$133,100
Drug Type Claims Patients Total cost
Omeprazole Generic 56 24 $941
Famotidine Generic 51 19 $534
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 44 42 $7,143
Pantoprazole Sodium Generic 38 18 $1,559
Xifaxan (Rifaximin) Brand 37 13 $108,649
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 24 24 $1,834
Creon (Lipase/Protease/Amylase) Brand 20 0 $11,562
Sucralfate Generic 15 0 $737
Lactulose Generic 14 0 $141

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Markowitz's medical specialty?
Dr. Brian Markowitz practices Gastroenterology Physician in Bethpage, NY.
Where does Dr. Brian Markowitz practice?
Dr. Brian Markowitz practices at 185 Central Ave, Bethpage, NY 117143927. Office phone: 5167588600.
What is Dr. Brian Markowitz's NPI?
Dr. Brian Markowitz's National Provider Identifier (NPI) is 1073812830, issued by NPPES.
Does Dr. Brian Markowitz accept Medicare assignment?
Yes. Dr. Brian Markowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Markowitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.