Stephen Blacklow, M.D.
NPI 1982662805 · Clinical Pathology/Laboratory Medicine Physician · Boston, MA
Stephen Blacklow, M.D. is a Clinical Pathology/Laboratory Medicine Physician provider in Boston, MA (NPI 1982662805).
Provider details
- NPI number
- 1982662805
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 81307 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-05-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Blacklow's NPI number?
- Stephen Blacklow's National Provider Identifier (NPI) is 1982662805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Blacklow's specialty?
- Stephen Blacklow is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Blacklow located?
- Stephen Blacklow's practice location on file with NPPES is 77 Avenue Louis Pasteur, Boston, MA 02115-5727.
- What is Stephen Blacklow's phone number?
- The practice phone number listed in the NPPES registry for Stephen Blacklow is (617) 525-4415.
- Is Stephen Blacklow's NPI active?
- Yes — Stephen Blacklow's NPI (1982662805) 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.