John Warren, CP
NPI 1770671539 · Prosthetist · Framingham, MA
John Warren, CP is a Prosthetist provider in Framingham, MA (NPI 1770671539).
Provider details
- NPI number
- 1770671539
- Entity type
- Individual
- Primary specialty
- ProsthetistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- CP
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
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
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
- 2006-10-10
- Last updated
- 2026-01-02
- Certified
- 2026-01-02
Frequently asked questions
- What is John Warren's NPI number?
- John Warren's National Provider Identifier (NPI) is 1770671539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Warren's specialty?
- John Warren is listed in the NPPES registry with a primary specialty of Prosthetist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Warren located?
- John Warren's practice location on file with NPPES is 20 Speen St Ste 102, Framingham, MA 01701-4174.
- What is John Warren's phone number?
- The practice phone number listed in the NPPES registry for John Warren is (571) 289-3922.
- Is John Warren's NPI active?
- Yes — John Warren's NPI (1770671539) is active in the NPPES registry as of the last update on 2026-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.