Matthew Ryzewski, D.O.
NPI 1548495468 · Neonatal-Perinatal Medicine Physician · Manchester, NH
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Ryzewski, D.O. is a Neonatal-Perinatal Medicine Physician provider in Manchester, NH (NPI 1548495468).
Provider details
- NPI number
- 1548495468
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-20
- Last updated
- 2015-06-24
Frequently asked questions
- What is Matthew Ryzewski's NPI number?
- Matthew Ryzewski's National Provider Identifier (NPI) is 1548495468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Ryzewski's specialty?
- Matthew Ryzewski is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Ryzewski located?
- Matthew Ryzewski's practice location on file with NPPES is 1 Elliot Way, Manchester, NH 03103-3502.
- What is Matthew Ryzewski's phone number?
- The practice phone number listed in the NPPES registry for Matthew Ryzewski is (603) 663-2692.
- Does Matthew Ryzewski accept Medicare?
- Matthew Ryzewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Ryzewski's NPI active?
- Yes — Matthew Ryzewski's NPI (1548495468) is active in the NPPES registry as of the last update on 2015-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.