SHIRLEY JOHNSON-HALL MD
NPI 1265591952
Specialist in Port Jefferson Station, NY
About Shirley Johnson-hall Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHIRLEY JOHNSON-HALL MD (NPI 1265591952) is an individual specialist in Port Jefferson Station, New York, licensed in New York (234410) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Shirley Johnson-hall 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 Shirley Johnson-hall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Gastroenterology Associates Of Suffolk PC
- 8 clinicians in this Medicare group
East Setauket, NY 11733
- Reassigned Medicare billing, New York enrollment
- 60 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 3
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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Shirley Johnson-hall's NPI number?
The NPI number for Shirley Johnson-hall is 1265591952. It was assigned to this individual provider in the NPPES registry on December 8, 2006.
Where is Shirley Johnson-hall located?
Shirley Johnson-hall practices at 931 Hallock Avenue, Port Jefferson Station, NY 11776. The listed phone number is (631) 331-7200.
What is Shirley Johnson-hall's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Shirley Johnson-hall enrolled in Medicare?
Yes. Shirley Johnson-hall 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 Shirley Johnson-hall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shirley Johnson-hall reassigns Medicare benefits to 2 organizations: Gastroenterology Associates Of Suffolk, P.C. (Port Jefferson Station, NY) and Digestive Disease Care, PC (East Setauket, 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 Shirley Johnson-hall'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 Shirley Johnson-hall was last updated on May 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Shirley Johnson-Hall, MD · NPI 1265591952
Specialist provider in Port Jefferson Station, New York. Individual provider, active in the CMS NPPES registry since December 8, 2006.
## Identity
- **NPI:** 1265591952 (Entity type: Individual)
- **Enumerated:** December 8, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 234410 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 931 HALLOCK AVENUE, Port Jefferson Station, NY 11776
- **Phone:** (631) 331-7200 · **Fax:** (631) 331-8636
## 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): Gastroenterology Associates Of Suffolk, P.C. (NPI 1083745566, Port Jefferson Station, NY); Digestive Disease Care, PC (NPI 1184871774, East Setauket, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1999
## Record status
- **NPPES last updated:** May 7, 2015
- **Other identifiers:** Medicare UPIN I29605 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1265591952) · Data from the CMS NPPES public registry.