DR. MATTHEW J ROCKACY M.D.
NPI 1578758124
Internal Medicine - Gastroenterology in Keene, NH
About Dr. Matthew J Rockacy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW J ROCKACY M.D. (NPI 1578758124) is an individual gastroenterology provider in Keene, New Hampshire, licensed in New Hampshire (15674) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of University Of Pittsburgh School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
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. Matthew J Rockacy 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
6Medicare enrollment records show Matthew Rockacy reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1386697803 (New Hampshire)
- 2,999 clinicians in this Medicare group
Milford, NH 03055
- Reassigned Medicare billing, New Hampshire enrollment
- 386 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Plymouth, NH 03264
- Reassigned Medicare billing, New Hampshire enrollment
- 219 clinicians in this Medicare group
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 395 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 14
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHSt Joseph Hospital
Acute Care Hospitals · Nashua, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHExeter Hospital Inc
Acute Care Hospitals · Exeter, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 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.
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 Matthew Rockacy's NPI number?
The NPI number for Matthew Rockacy is 1578758124. It was assigned to this individual provider in the NPPES registry on September 6, 2007.
Where is Matthew Rockacy located?
Matthew Rockacy practices at 590 Court St Department Of Gastroenterology, Keene, NH 03431. The listed phone number is (603) 354-6515.
What is Matthew Rockacy's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Matthew Rockacy enrolled in Medicare?
Yes. Matthew Rockacy 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 Matthew Rockacy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Rockacy reassigns Medicare benefits to 6 organizations: Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH), St Joseph Hospital Of Nashua Nh (Milford, NH), Mary Hitchcock Memorial Hospital (Lebanon, NH), Littleton Hospital Association (Plymouth, NH) 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 Matthew Rockacy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Rockacy accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Matthew Rockacy 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 Matthew Rockacy affiliated with any hospitals?
According to CMS data, Matthew Rockacy is affiliated with Mary Hitchcock Memorial Hospital, St Joseph Hospital, Cheshire Medical Center and Exeter Hospital Inc.
When was this NPI record last updated?
The NPPES record for Matthew Rockacy was last updated on February 10, 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.