DAVID FRANKLYN STEIN MD
NPI 1285620237
Internal Medicine - Gastroenterology in Bronx, NY
About David Franklyn Stein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID FRANKLYN STEIN MD (NPI 1285620237) is an individual gastroenterology provider in Bronx, New York, licensed in New York (187734) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David Franklyn Stein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show David Stein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10463
- Reassigned Medicare billing, New York enrollment
- 8 clinicians in this Medicare group
Massapequa, NY 11758
- Reassigned Medicare billing, New York enrollment
- 223 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10463 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10463
BRONX, NY 10463
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Stein's NPI number?
The NPI number for David Stein is 1285620237. It was assigned to this individual provider in the NPPES registry on September 26, 2005.
Where is David Stein located?
David Stein practices at 3765 Riverdale Ave Suite #7, Bronx, NY 10463. The listed phone number is (718) 549-4267.
What is David Stein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is David Stein enrolled in Medicare?
Yes. David Stein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Stein reassigns Medicare benefits to 2 organizations: Isadore P Gutwein MD & Robert A Sable MD PC (Bronx, NY) and Gastrointestinal Care Of Long Island PLLC (Massapequa, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Stein was last updated on July 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# David Franklyn Stein, MD · NPI 1285620237
Gastroenterology physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since September 26, 2005.
## Identity
- **NPI:** 1285620237 (Entity type: Individual)
- **Enumerated:** September 26, 2005
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 187734 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3765 RIVERDALE AVE, SUITE #7, Bronx, NY 10463-1845
- **Phone:** (718) 549-4267 · **Fax:** (718) 884-4885
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Isadore P Gutwein MD & Robert A Sable MD PC (NPI 1376620476, Bronx, NY); Gastrointestinal Care Of Long Island PLLC (NPI 1265571863, Massapequa, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1990
## Record status
- **NPPES last updated:** July 22, 2010
- **Other identifiers:** Medicaid 01651261 (NY); Medicare UPIN G24580 (NY); Medicare ID-Type Unspecified 760401 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1285620237) · Data from the CMS NPPES public registry.