IndividualActive
Mark Ryan, M.D.
NPI 1881629871 · Pediatrics Physician · Milford, MA
Mark Ryan, M.D. is a Pediatrics Physician provider in Milford, MA (NPI 1881629871).
Provider details
- NPI number
- 1881629871
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 70606 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Holliston Pediatric Group
321 Fortune Blvd
Milford, MA 01757
Phone: (508) 478-5996
Approximate (ZIP-level) locationGet directions
Mailing address
321 Fortune Blvd
Milford, MA 01757-1750
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Ryan's NPI number?
- Mark Ryan's National Provider Identifier (NPI) is 1881629871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ryan's specialty?
- Mark Ryan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ryan located?
- Mark Ryan's practice location on file with NPPES is Holliston Pediatric Group, Milford, MA 01757.
- What is Mark Ryan's phone number?
- The practice phone number listed in the NPPES registry for Mark Ryan is (508) 478-5996.
- Is Mark Ryan's NPI active?
- Yes — Mark Ryan's NPI (1881629871) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.