IndividualActive
Ralph Freidin, MD
NPI 1609967298 · Internal Medicine Physician · Lexington, MA
Ralph Freidin, MD is a Internal Medicine Physician provider in Lexington, MA (NPI 1609967298).
Provider details
- NPI number
- 1609967298
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35636 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
57 Bedford Street
Suite 130
Lexington, MA 02420-0001
Phone: (781) 862-7500
Street-level locationGet directions
Mailing address
25 Channel Center
Boston, MA 02210-3414
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ralph Freidin's NPI number?
- Ralph Freidin's National Provider Identifier (NPI) is 1609967298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Freidin's specialty?
- Ralph Freidin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Freidin located?
- Ralph Freidin's practice location on file with NPPES is 57 Bedford Street, Lexington, MA 02420-0001.
- What is Ralph Freidin's phone number?
- The practice phone number listed in the NPPES registry for Ralph Freidin is (781) 862-7500.
- Is Ralph Freidin's NPI active?
- Yes — Ralph Freidin's NPI (1609967298) 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.