WALTER E. MARTIN M.D.
NPI 1619944600
Internal Medicine in Higganum, CT
About Walter E. Martin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALTER E. MARTIN M.D. (NPI 1619944600) is an individual internal medicine provider in Higganum, Connecticut, licensed in Connecticut (82557) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
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
Walter E. Martin 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
5Medicare enrollment records show Walter Martin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington, CT 06032
- Reassigned Medicare billing, Connecticut enrollment
- 496 clinicians in this Medicare group
Ephrata, PA 17522
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 clinicians in this Medicare group
Lititz, PA 17543
- Reassigned Medicare billing, Pennsylvania enrollment
- 468 clinicians in this Medicare group
Calais, ME 04619
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Calais Regional Hospital
- 14 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 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 06441 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HIGGANUM, CT 06441
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 Martin's NPI number?
The NPI number for Walter Martin is 1619944600. It was assigned to this individual provider in the NPPES registry on March 8, 2006.
Where is Walter Martin located?
Walter Martin practices at 415 Killingworth Rd, Higganum, CT 06441. The listed phone number is (860) 345-8535.
What is Walter Martin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Walter Martin enrolled in Medicare?
Yes. Walter Martin 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 Walter Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Walter Martin reassigns Medicare benefits to 5 organizations: Prohealth Physicians PC (Farmington, CT), Pinnacle Health Medical Services (Ephrata, PA), Pinnacle Health Regional Physicians (Lititz, PA), Calais Community Hospital (Calais, ME) and Mercy Health System Corporation (Janesville, WI). 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 Martin'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 Martin was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Walter E. Martin, M.D. · NPI 1619944600
Internal Medicine physician in Higganum, Connecticut. Individual provider, active in the CMS NPPES registry since March 8, 2006.
## Identity
- **NPI:** 1619944600 (Entity type: Individual)
- **Enumerated:** March 8, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 82557 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 415 KILLINGWORTH RD, Higganum, CT 06441-4392
- **Phone:** (860) 345-8535 · **Fax:** (860) 345-8678
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Prohealth Physicians PC (NPI 1720194053, Farmington, CT); Pinnacle Health Medical Services (NPI 1043978125, Ephrata, PA); Pinnacle Health Regional Physicians (NPI 1427578699, Lititz, PA); Calais Community Hospital (NPI 1134200702, Calais, ME); Mercy Health System Corporation (NPI 1669685129, Janesville, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** July 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1619944600) · Data from the CMS NPPES public registry.