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Jay Prosnitz, M.D.
NPI 1134130081 · Internal Medicine Physician · Milford, MA
Jay Prosnitz, M.D. is a Internal Medicine Physician provider in Milford, MA (NPI 1134130081).
Provider details
- NPI number
- 1134130081
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 49077 (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
100 Medway Rd
Suite 101
Milford, MA 01757-2923
Phone: (508) 482-5425
Fax: (508) 482-5430
Street-level locationGet directions
Mailing address
9 Industrial Rd
Milford, MA 01757-3588
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2011-10-06
Frequently asked questions
- What is Jay Prosnitz's NPI number?
- Jay Prosnitz's National Provider Identifier (NPI) is 1134130081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Prosnitz's specialty?
- Jay Prosnitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Prosnitz located?
- Jay Prosnitz's practice location on file with NPPES is 100 Medway Rd, Milford, MA 01757-2923.
- What is Jay Prosnitz's phone number?
- The practice phone number listed in the NPPES registry for Jay Prosnitz is (508) 482-5425.
- Is Jay Prosnitz's NPI active?
- Yes — Jay Prosnitz's NPI (1134130081) is active in the NPPES registry as of the last update on 2011-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.