Loren J. Joseph, MD
Clinical Pathology/Laboratory Medicine Physician · Boston, MA
Loren J. Joseph, MD is a clinical pathology/laboratory medicine physician with a practice address in Boston, Massachusetts, and NPI 1487706164, issued on Jan 16, 2007. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Loren J. Joseph
- Credential
- MD
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License number
- 036068988 IL
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-6700
- Enumerated
- Jan 16, 2007
- Record last updated
- Oct 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 036068988 IL
- Medicare enrollment
- Enrolled (PECOS I20141211001165); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest clinical pathology/laboratory medicine physician records → All 52 in Massachusetts → Look up another NPI →
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- Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
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Verify Loren J. Joseph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Loren J. Joseph among 52 clinical pathology/laboratory medicine physician records in Massachusetts
Loren J. Joseph, MD is one of 52 clinical pathology/laboratory medicine physician records with a practice address in Massachusetts. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 67% of them.
- NPI issued2007 · 67% of these records are older, 23% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated1979 · median 1998 among the 18 with a school on file
- Record last updated2014 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology/Laboratory Medicine Physician providers in Massachusetts
There are 52 clinical pathology/laboratory medicine physician records in Massachusetts.
All 52 in Massachusetts → Every provider in Boston → Clinical Pathology/Laboratory Medicine Physician nationwide →
The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes
- Richard Haspel, M.D.Boston, MA 022151396782918
- James Kirby, M.D.Boston, MA 022151902843667
- Dmitry Ratner, MD, PHDBoston, MA 022151790281780
- Bradley Bernstein, M.D.Boston, MA 021381891816955
- Gifford Lum, M.D.Boston, MA 021321144244849
- Karoly Balogh, MDRoxbury Crossing, MA 021201215916747
- Jihad Hayek, MDRoxbury Crossing, MA 021201568441749
- Barbarajean Magnani, M.D., PH.D.Boston, MA 021181538132923
Common questions
What is Loren J. Joseph, MD's NPI number?
Loren J. Joseph, MD's National Provider Identifier (NPI) is 1487706164, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Loren J. Joseph, MD located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-6700. Providers update this record themselves, so call before visiting.
How can I verify Loren J. Joseph, MD's license?
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. Medicare files from data.cms.gov. 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.