Igor Grosman, D.O.
NPI 1851506869 · Gastroenterology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Igor Grosman, D.O. is a Gastroenterology Physician provider in Brooklyn, NY (NPI 1851506869).
Provider details
- NPI number
- 1851506869
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 239458 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,381 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 594 | $103 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 147 | $191 |
| Infusion Into a Vein for Hydration, 31-60 Minutes96360 | 82 | $38 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 67 | $122 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 62 | $92 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 440 | 154 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 222 | 213 |
| Famotidine | 206 | 82 |
| Lipase/Protease/Amylasebrand: Creon | 202 | 51 |
| Sucralfate | 176 | 70 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 156 | 43 |
| Dicyclomine Hcl | 145 | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,552 across 105 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-12
- Last updated
- 2011-04-20
Frequently asked questions
- What is Igor Grosman's NPI number?
- Igor Grosman's National Provider Identifier (NPI) is 1851506869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Igor Grosman's specialty?
- Igor Grosman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Igor Grosman located?
- Igor Grosman's practice location on file with NPPES is 2015 Shore Pkwy Apt 16j, Brooklyn, NY 11214-6869.
- What is Igor Grosman's phone number?
- The practice phone number listed in the NPPES registry for Igor Grosman is (646) 207-4933.
- Does Igor Grosman accept Medicare?
- Igor Grosman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Igor Grosman's NPI active?
- Yes — Igor Grosman's NPI (1851506869) is active in the NPPES registry as of the last update on 2011-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.