GastroNYC
- Total HCPs
- 4
- Physicians (MD/DO)
- 2
- Nurses and PAs
- 2
- Practice locations
- 2
- Specialty areas
- 2
Find the right contacts among 4 HCPs
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GastroNYC is a multi-specialty medical group with 2 practice locations in New York
GastroNYC (Oleg Katcher Md PC) is based in Brooklyn, New York, part of Oleg Katcher, MD.
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; and Dmand AI Affiliation Data
GastroNYC's NPI is 1124191325 and its PAC ID is 6305917071
- Primary NPI (Type 2)
- 1124191325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305917071
- Dmand ID
- NG-MGR-073511
- Medicare enrollment
- Enrolled (PAC ID on file)
- Main site address
- 1765 E 19th St, Brooklyn, NY 10312
- Main phone
- (718) 360-5953
- Executive emails and mobiles
- Get contacts
- Group type
- Multi-specialty
- Core specialty
- Pathology and laboratory
- Specialty areas
- 2
- Site structure
- Multi-site
- Ownership model
- Clinician owned
- Leadership
- Physician-led
- Medicare Part B payments
- $587,297
- Legal name
- Oleg Katcher Md PC
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
GastroNYC is part of Oleg Katcher, MD
Dmand AI places GastroNYC under Oleg Katcher, MD, an independent practice.
- Oleg Katcher, MD
- GastroNYC
Source: Dmand AI Org Hierarchy Data
Org hierarchy
See how GastroNYC connects to Oleg Katcher, MD: its parent organizations, sister groups and every site of care in between, with the HCPs and leaders at each one.
GastroNYC has 2 physicians among 4 HCPs
GastroNYC physicians by specialty
- Anatomic pathology1
- Gastroenterology1
Share of the group's 2 physicians.
GastroNYC physicians
Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
GastroNYC has 2 practice locations in New York
GastroNYC practice locations
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Full footprint
Open all 2 practice locations with facility phones, patient visits and the HCPs at each site.
GastroNYC covers 2 specialty areas, led by pathology and laboratory
Pathology and laboratory is GastroNYC's core specialty, and its HCPs practice 2 subspecialties in all.
- Pathology and laboratoryCore
- Primary care
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR at GastroNYC
Vendor and product names for each practice location are available with a free account.
| Site | EHR vendor | Product |
|---|---|---|
| Main site | Available with a free account | Available with a free account |
| 1 other practice location | Available with a free account | Available with a free account |
Source: Dmand AI Technology Install Data
Pathology and laboratory groups in New York similar in size to GastroNYC
These pathology and laboratory groups have the closest number of HCPs to GastroNYC.
| Medical group | HCPs |
|---|---|
| AAA Gastrointestinal PCNew York, NY | 5 |
| Daniel S. Reich, MD GastroenterologyBronx, NY | 5 |
| GI HealthNew York, NY | 5 |
| Mehta & Mehta Physicians, P.C.East Moriches, NY | 5 |
| Schwarz and Ammirati GastroenterologyNew York, NY | 5 |
Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks
Sources for GastroNYC data
| Data on this page | Source |
|---|---|
| NPI, PAC ID and address | NPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Dmand ID, phone, website, LinkedIn and group profile | Dmand AI Org Hierarchy DataDmand AI Organization Profile Data |
| Medicare Part B payments | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Parent organizations and sister groups | Dmand AI Org Hierarchy Data |
| HCPs and physician specialties | NPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Specialty areas | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Practice locations and hospitals | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Similar groups | Dmand AI Affiliation DataDmand AI Peer Benchmarks |
| EHR vendors | Dmand AI Technology Install Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about GastroNYC
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is GastroNYC's NPI number?
GastroNYC's primary NPI (Type 2) is 1124191325.
What is GastroNYC's PAC ID?
GastroNYC's Medicare PAC ID is 6305917071, which means the group is enrolled in Medicare.
How many locations does GastroNYC have?
Dmand AI links GastroNYC to 2 practice locations in New York. Its main site is at 1765 E 19th St, Brooklyn, NY 10312.
What is GastroNYC's phone number?
GastroNYC's main phone number is (718) 360-5953.
Who owns GastroNYC?
Dmand AI places GastroNYC under Oleg Katcher, MD, an independent practice.
How many physicians does GastroNYC have?
Dmand AI links 2 physicians and 4 HCPs in all to GastroNYC.
What specialties does GastroNYC cover?
GastroNYC covers 2 specialty areas, led by pathology and laboratory. The largest physician specialties are anatomic pathology (1) and gastroenterology (1).
How much does GastroNYC receive from Medicare?
CMS data shows $587,297 in Medicare Part B payments to GastroNYC.
Selling to pathology and laboratory groups?
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