Physician Profile
Based in Boston, MA, Loren J. Joseph, MD is listed in the NPI registry under pathology — clinical. Loren graduated from Stanford University School of Medicine in 1979. According to Medicare claims data, Loren cared for 1,515 Medicare patients across 2,149 services. The services billed most often include protein measurement, serum, immunologic analysis technique on serum (immunofixation), and protein measurement, body fluid.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
330 BROOKLINE AVE BETH ISRAEL DEACONESS MEDICAL CENTER/DEPT PATHOLOGY
Boston, MA 02215
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
2,149 services · 1,515 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Protein measurement, serum | Lab test | 84165 |
1,476 | More often than most peers in Pathology — Clinical |
| Immunologic analysis technique on serum (immunofixation) | Lab test | 86334 |
316 | As often as other peers in Pathology — Clinical |
| Protein measurement, body fluid | Lab test | 84166 |
303 | More often than most peers in Pathology — Clinical |
| Immunologic analysis technique on body fluid, other fluids with concentration | Lab test | 86335 |
54 | As often as other peers in Pathology — Clinical |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Joseph is a pathologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology — Clinical”.
NPI registry
Dr. Joseph is listed at 330 Brookline Ave Beth Israel Deaconess Medical Center/Dept Pathology, Boston, MA 02215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 667-6700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Joseph's National Provider Identifier is 1487706164. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Joseph attended Stanford University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
Dr. Joseph has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Joseph the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Joseph. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.