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Active NPI 1326038753 Individual Practitioner Male Practitioner

Dr. David N Louis , MD

Pathology - Anatomic Pathology • Boston, MA

Professional Overview & Biography Verified Profile Summary

Dr. David Louis, MD is a registered healthcare professional specializing in Pathology - Anatomic Pathology in Boston, MA. Practice services are available at 55 FRUIT ST under active NPI credentials.

Frequently performed procedures and clinical services include special stained specimen slides to examine tissue, pathology examination of tissue using a microscope, moderately high complexity, pathology examination of specimen during surgery, first tissue block. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

55 Fruit St
Wrn 2

Boston, MA 021142621

Telephone 6177262966
Fax 6177267533
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Boston, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.8 Yrs
State Avg: 35.7 Yrs
Regional Practice Density
201 Specialists

Practicing in Boston, MA (303 Statewide)

Telehealth Adoption Rate
0.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
76.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
88341 Special stained specimen slides to examine tissue
52 13 $118.42 $31.29
88307 Pathology examination of tissue using a microscope, moderately high complexity
25 15 $350.00 $91.28
88331 Pathology examination of specimen during surgery, first tissue block
23 18 $264.00 $68.49
88342 Special stained specimen slides to examine tissue, initial procedure
21 17 $205.00 $38.51
88360 Microscopic genetic analysis of tumor
11 11 $225.00 $46.10

Medical Specialties & State Licenses

CMS Verified: 2026-07-24
Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License MA 57278

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Pathology - Neuropathology

NUCC Taxonomy Code: 207ZN0500X

State License MA 57278

A neuropathologist is expert in the diagnosis of diseases of the nervous system and skeletal muscles and functions as a consultant primarily to neurologists and neurosurgeons. The neuropathologist is knowledgeable in the infirmities of humans as they affect the nervous and neuromuscular systems, be they degenerative, infectious, metabolic, immunologic, neoplastic, vascular or physical in nature.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
3089649 (MA)
Commercial Insurance / Payer ID Bcbs Ma
J12149 (MA)
Commercial Insurance / Payer ID Tufts Health Plan
057278 (MA)

Secondary Practice Locations

75 Francis St

Boston, MA 021156110

Phone: 6177325500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
Dr. Stuti Shroff , MD, MBBS

Pathology - Anatomic Pathology

NPI 1003050691

Doctor of Medicine (M.D.), Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Dr. Ben Pilch , MD

Pathology - Anatomic Pathology

NPI 1770574667

Doctor of Medicine (M.D.)

Dr. Robert Colvin , MD

Pathology - Anatomic Pathology

NPI 1922098458

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2026

Pathology (License #57278 in MA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 55 FRUIT ST, WRN 2, BOSTON, MA 021142621 (Tel: 6177262966)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 9142, CHARLESTOWN, MA 021299142 (Tel: 6177240287)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as DAVID LOUIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Pathology (License #57278 in MA)

🟢
Initial NPI Registration & Enumeration October 26, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1326038753
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 26, 2005
Last Update: July 24, 2026
Sole Proprietor: No

Mailing Address

Po Box 9142

Charlestown, MA 021299142

Phone: 6177240287

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.