Matthew Rockacy, M.D.
NPI 1578758124 · Gastroenterology Physician · Keene, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Rockacy, M.D. is a Gastroenterology Physician provider in Keene, NH (NPI 1578758124).
Provider details
- NPI number
- 1578758124
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MT189084 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
688 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 151 | $241 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 114 | $105 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 82 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 330 | 84 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 82 | 78 |
| Pantoprazole Sodium | 66 | 19 |
| Esomeprazole Magnesium | 49 | 13 |
| Famotidine | 33 | — |
| Dicyclomine Hcl | 30 | — |
| Mesalamine | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-06
- Last updated
- 2015-02-10
Frequently asked questions
- What is Matthew Rockacy's NPI number?
- Matthew Rockacy's National Provider Identifier (NPI) is 1578758124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Rockacy's specialty?
- Matthew Rockacy is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Rockacy located?
- Matthew Rockacy's practice location on file with NPPES is 590 Court St, Keene, NH 03431-1719.
- What is Matthew Rockacy's phone number?
- The practice phone number listed in the NPPES registry for Matthew Rockacy is (603) 354-6515.
- Does Matthew Rockacy accept Medicare?
- Matthew Rockacy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Rockacy's NPI active?
- Yes — Matthew Rockacy's NPI (1578758124) is active in the NPPES registry as of the last update on 2015-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.