WALTER GREEN MD
NPI 1922461805
Emergency Medicine in Phoenixville, PA
About Walter Green Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALTER GREEN MD (NPI 1922461805) is an individual emergency medicine provider in Phoenixville, Pennsylvania, licensed in Pennsylvania (MD470487) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Walter Green Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Walter Green reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 clinicians in this Medicare group
Pottstown, PA 19465
- Reassigned Medicare billing, Pennsylvania enrollment
- 474 clinicians in this Medicare group
Philadelphia, PA 19118
- Reassigned Medicare billing, Pennsylvania enrollment
- 176 clinicians in this Medicare group
West Grove, PA 19390
- Reassigned Medicare billing, Pennsylvania enrollment
- 106 clinicians in this Medicare group
Stamford, CT 06902
- Reassigned Medicare billing, Connecticut enrollment
- 63 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 69 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19460 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.
PHOENIXVILLE, PA 19460
PHOENIXVILLE, PA 19460
PHOENIXVILLE, PA 19460
PHOENIXVILLE, PA 19460
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 Walter Green's NPI number?
The NPI number for Walter Green is 1922461805. It was assigned to this individual provider in the NPPES registry on March 30, 2016.
Where is Walter Green located?
Walter Green practices at 140 Nutt Rd, Phoenixville, PA 19460. The listed phone number is (610) 983-1223.
What is Walter Green's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Walter Green enrolled in Medicare?
Yes. Walter Green is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Walter Green's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Walter Green reassigns Medicare benefits to 6 organizations: Phoenixville Clinic Company LLC (Phoenixville, PA), Pottstown Clinic Company LLC (Pottstown, PA), Chestnut Hill Clinic Company, LLC (Philadelphia, PA), West Grove Clinic Company LLC (West Grove, PA), Emergency Medicine Physicians Of Fairfield County, LLC (Stamford, CT) and 1 more organization, listed in the Medicare section above. 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 Walter Green'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 Walter Green was last updated on August 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.