ZACHARY C. DEMMA MD
NPI 1093247918
Emergency Medicine in Palmer, MA
About Zachary C. Demma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZACHARY C. DEMMA MD (NPI 1093247918) is an individual emergency medicine provider in Palmer, Massachusetts, licensed in Massachusetts (282502) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of University Of Massachusetts Medical School (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Zachary C. Demma 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
6Medicare enrollment records show Zachary Demma reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palmer, MA 01069
- Reassigned Medicare billing, Massachusetts enrollment
- 86 clinicians in this Medicare group
Greenfield, MA 01301
- Reassigned Medicare billing, Massachusetts enrollment
- 78 clinicians in this Medicare group
Quincy, MA 02169
- Reassigned Medicare billing, Massachusetts enrollment
- 62 clinicians in this Medicare group
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
Sandwich, MA 02563
- Reassigned Medicare billing, Massachusetts enrollment
- 129 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 57 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MASouth Shore Hospital
Acute Care Hospitals · South Weymouth, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01069 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PALMER, MA 01069
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 Zachary Demma's NPI number?
The NPI number for Zachary Demma is 1093247918. It was assigned to this individual provider in the NPPES registry on March 30, 2017.
Where is Zachary Demma located?
Zachary Demma practices at 40 Wright St, Palmer, MA 01069. The listed phone number is (413) 284-5308.
What is Zachary Demma's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Zachary Demma enrolled in Medicare?
Yes. Zachary Demma 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 Zachary Demma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Demma reassigns Medicare benefits to 6 organizations: Baystate Wing Hospital Corporation (Palmer, MA), Baystate Franklin Medical Center (Greenfield, MA), South Shore Health Express, Inc (Quincy, MA), Coastal Medical Associates (Weymouth, MA), Urgi Center Medical Group (Sandwich, MA) 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 Zachary Demma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Demma accept?
Health plans from Taro Health list Zachary Demma 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 Zachary Demma affiliated with any hospitals?
According to CMS data, Zachary Demma is affiliated with Cape Cod Hospital and South Shore Hospital.
When was this NPI record last updated?
The NPPES record for Zachary Demma was last updated on October 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Zachary C. Demma, MD · NPI 1093247918
Emergency Medicine physician in Palmer, Massachusetts. Individual provider, active in the CMS NPPES registry since March 30, 2017.
## Identity
- **NPI:** 1093247918 (Entity type: Individual)
- **Enumerated:** March 30, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 282502 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 40 WRIGHT ST, Palmer, MA 01069-1138
- **Phone:** (413) 284-5308 · **Fax:** (413) 284-5413
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Baystate Wing Hospital Corporation (NPI 1962410233, Palmer, MA); Baystate Franklin Medical Center (NPI 1508867391, Greenfield, MA); South Shore Health Express, Inc (NPI 1144713199, Quincy, MA); Coastal Medical Associates (NPI 1932175684, Weymouth, MA); Urgi Center Medical Group (NPI 1902146798, Sandwich, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 2017
## Record status
- **NPPES last updated:** October 29, 2021
- **Other identifiers:** Medicaid 110124826A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1093247918) · Data from the CMS NPPES public registry.