IndividualActive
Rebecca Connor, M.D.
NPI 1598880379 · Internal Medicine Physician · Waltham, MA
Rebecca Connor, M.D. is a Internal Medicine Physician provider in Waltham, MA (NPI 1598880379).
Provider details
- NPI number
- 1598880379
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 230562 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
95 Sawyer Rd
Uptodate, Inc
Waltham, MA 02453-3471
Phone: (781) 392-2957
Fax: (781) 642-8867
Street-level locationGet directions
Mailing address
95 Sawyer Rd
Waltham, MA 02453-3471
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2009-09-08
Frequently asked questions
- What is Rebecca Connor's NPI number?
- Rebecca Connor's National Provider Identifier (NPI) is 1598880379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Connor's specialty?
- Rebecca Connor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Connor located?
- Rebecca Connor's practice location on file with NPPES is 95 Sawyer Rd, Waltham, MA 02453-3471.
- What is Rebecca Connor's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Connor is (781) 392-2957.
- Is Rebecca Connor's NPI active?
- Yes — Rebecca Connor's NPI (1598880379) is active in the NPPES registry as of the last update on 2009-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.