Stephen C. Blacklow, M.D.
Clinical Pathology/Laboratory Medicine Physician · Boston, MA
Stephen C. Blacklow, M.D. is a clinical pathology/laboratory medicine physician with a practice address in Boston, Massachusetts, and NPI 1982662805, issued on May 2, 2006. Check the license (Massachusetts 81307, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephen C. Blacklow
- Credential
- M.D.
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License number
- 81307 MA
Self-reported in NPPES; status is on the state search - Practice location
- 77 Avenue Louis Pasteur, Boston, MA 02115
- Phone
- (617) 525-4415
- Enumerated
- May 2, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
Also registered at 77 Avenue Louis Pasteur
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen C. Blacklow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Clinical Pathology/Laboratory Medicine Physician providers in Massachusetts
There are 52 clinical pathology/laboratory medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other clinical pathology/laboratory medicine physician records in Massachusetts
- Gyorgy Abel, M.D.Burlington, MA1831282383
- Ramy ArnaoutChestnut Hill, MA1033307384
- Jeffrey Arnold, M.D.Boston, MA1255611661
- Karoly Balogh, MDRoxbury Crossing, MA1215916747
- Roger Belizaire, MD, PHDBrookline, MA1548603269
- Richard Benjamin, M.D.Boston, MA1861598179
- Anders Berg, M. D., PH. D.Boston, MA1730251950
- Bradley Bernstein, M.D.Boston, MA1891816955
- Steve Bogen, M.D., PH.D.Boston, MA1598738551
- Uriel Bulow, MDBoston, MA1902556087
Common questions
What is Stephen C. Blacklow, M.D.'s NPI number?
Stephen C. Blacklow, M.D.'s National Provider Identifier (NPI) is 1982662805, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen C. Blacklow, M.D. located?
The NPPES record lists a practice address at 77 Avenue Louis Pasteur, Boston, MA, 02115. Phone: (617) 525-4415. Providers update this record themselves, so call before visiting.
How can I verify Stephen C. Blacklow, M.D.'s license?
NPPES lists Massachusetts license number 81307, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.