DR. BENJAMIN STEIN M.D.,
NPI 1245402460
Internal Medicine - Gastroenterology in Lewiston, ME
About Dr. Benjamin Stein M.d., NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENJAMIN STEIN M.D., (NPI 1245402460) is an individual gastroenterology provider in Lewiston, Maine, licensed in Maine (MD20464) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and maintains a secondary practice location in Augusta.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Dr. Benjamin Stein M.d., 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
4Medicare enrollment records show Benjamin Stein reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 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 9
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Central Maine Medical Center
Acute Care Hospitals · Lewiston, MERumford Hospital
Critical Access Hospitals · Rumford, MEBridgton Hospital
Critical Access Hospitals · Bridgton, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LEWISTON, ME 04240
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 Benjamin Stein's NPI number?
The NPI number for Benjamin Stein is 1245402460. It was assigned to this individual provider in the NPPES registry on March 27, 2008.
Where is Benjamin Stein located?
Benjamin Stein practices at 77 Bates St Ste. 202, Lewiston, ME 04240. The listed phone number is (207) 784-5784.
What is Benjamin Stein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Benjamin Stein enrolled in Medicare?
Yes. Benjamin 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 Benjamin Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Stein reassigns Medicare benefits to 4 organizations: Central Maine Medical Center (Lewiston, ME), Bridgton Hospital (Bridgton, ME), Mainegeneral Medical Center (Augusta, ME) and Rumford Hospital (Rumford, ME). 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 Benjamin Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Stein accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Benjamin Stein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Benjamin Stein affiliated with any hospitals?
According to CMS data, Benjamin Stein is affiliated with Central Maine Medical Center, Rumford Hospital and Bridgton Hospital.
When was this NPI record last updated?
The NPPES record for Benjamin Stein was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Dr. Benjamin Stein, M.D., · NPI 1245402460
Gastroenterology physician in Lewiston, Maine. Individual provider, active in the CMS NPPES registry since March 27, 2008.
## Identity
- **NPI:** 1245402460 (Entity type: Individual)
- **Enumerated:** March 27, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD20464 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 77 BATES ST, STE. 202, Lewiston, ME 04240-7637
- **Phone:** (207) 784-5784 · **Fax:** (207) 784-1477
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Central Maine Medical Center (NPI 1689653487, Lewiston, ME); Bridgton Hospital (NPI 1154370153, Bridgton, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME); Rumford Hospital (NPI 1205991122, Rumford, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** November 24, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1245402460) · Data from the CMS NPPES public registry.