Brian Markowitz
NPI 1073812830 · Gastroenterology Physician · Bethpage, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Markowitz is a Gastroenterology Physician provider in Bethpage, NY (NPI 1073812830).
Provider details
- NPI number
- 1073812830
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 267938 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
681 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 184 | $103 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $146 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 76 | $129 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 73 | $316 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 68 | $524 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 82 | 80 |
| Omeprazole | 76 | 32 |
| Pantoprazole Sodium | 59 | 23 |
| Famotidine | 51 | 21 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 40 | 40 |
| Lubiprostone | 27 | — |
| Sucralfate | 17 | — |
Practice location
Mailing address
Additional practice locations (2)
- 300 Community DrManhasset, NY 11030-3816Phone: (516) 562-0100
- 2800 Marcus AveNew Hyde Park, NY 11042-1113Phone: (516) 622-6076
Registry dates
- Enumerated
- 2011-03-19
- Last updated
- 2021-11-29
- Certified
- 2021-11-29
Frequently asked questions
- What is Brian Markowitz's NPI number?
- Brian Markowitz's National Provider Identifier (NPI) is 1073812830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Markowitz's specialty?
- Brian Markowitz is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Markowitz located?
- Brian Markowitz's practice location on file with NPPES is 185 Central Ave, Bethpage, NY 11714-3927.
- What is Brian Markowitz's phone number?
- The practice phone number listed in the NPPES registry for Brian Markowitz is (516) 758-8600.
- Does Brian Markowitz accept Medicare?
- Brian Markowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Markowitz's NPI active?
- Yes — Brian Markowitz's NPI (1073812830) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.