Active NPI 1073563698 Individual Practitioner Female Practitioner

Dr. Lyn Mcdivitt Duncan , MD

Pathology - Anatomic Pathology • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Lyn Duncan, MD is a certified Pathology - Anatomic Pathology practicing in Boston, MA. With approximately 40 years of clinical experience since graduating from Washington University School Of Medicine in 1986, Dr. Duncan delivers high-quality medical care to the local community at 55 FRUIT ST.

Dr. Duncan is affiliated with Massachusetts General Physicians Organization Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, special stained specimen slides to examine tissue, initial procedure. 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 825

Boston, MA 02114

Telephone 6177265209

Fax 6176431624

Associated Practice Facility / Clinic

🏢 Massachusetts General Hospital Facility NPI 1184613721

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Boston, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +14.2 yrs vs City Avg

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

76.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Duncan (40 Years) 40 Yrs

Boston Specialty Average (25.8 Years) 25.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	946	705	$159.16	$38.33
88341 Special stained specimen slides to examine tissue	201	63	$118.29	$28.73
88342 Special stained specimen slides to examine tissue, initial procedure	120	96	$205.00	$35.85
88312 Special stained specimen slides to identify organisms including interpretation and report	69	47	$111.42	$27.31
88304 Pathology examination of tissue using a microscope, moderately low complexity	53	51	$64.00	$11.70
88307 Pathology examination of tissue using a microscope, moderately high complexity	30	15	$345.07	$84.37
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	26	26	$351.31	$86.33
88313 Special stained specimen slides to examine tissue including interpretation and report	16	12	$50.38	$12.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	846	607	$153.32	$39.27
88341 Special stained specimen slides to examine tissue	198	70	$115.49	$29.81
88342 Special stained specimen slides to examine tissue, initial procedure	104	88	$205.00	$36.69
88312 Special stained specimen slides to identify organisms including interpretation and report	53	27	$108.49	$27.93
88304 Pathology examination of tissue using a microscope, moderately low complexity	34	32	$60.82	$11.98
88313 Special stained specimen slides to examine tissue including interpretation and report	25	17	$49.12	$12.65
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	19	19	$345.53	$88.95
88344 Special stained specimen slides to examine tissue	17	14	$156.59	$40.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,050	737	$157.41	$40.40
88341 Special stained specimen slides to examine tissue	250	70	$114.30	$30.33
88342 Special stained specimen slides to examine tissue, initial procedure	137	98	$205.00	$37.40
88312 Special stained specimen slides to identify organisms including interpretation and report	66	38	$107.33	$28.36
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	55	54	$348.80	$90.38
88304 Pathology examination of tissue using a microscope, moderately low complexity	34	31	$60.00	$12.32
88344 Special stained specimen slides to examine tissue	22	18	$154.09	$41.10
88313 Special stained specimen slides to examine tissue including interpretation and report	21	15	$50.43	$13.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,136	808	$159.00	$41.18
88341 Special stained specimen slides to examine tissue	285	76	$117.56	$31.29
88342 Special stained specimen slides to examine tissue, initial procedure	150	117	$205.00	$38.51
88312 Special stained specimen slides to identify organisms including interpretation and report	128	51	$110.67	$29.29
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	69	67	$354.00	$92.11
88344 Special stained specimen slides to examine tissue	32	24	$159.75	$41.91
88313 Special stained specimen slides to examine tissue including interpretation and report	32	22	$51.00	$13.28
88304 Pathology examination of tissue using a microscope, moderately low complexity	20	20	$57.75	$12.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,166	817	$156.83	$42.52
88341 Special stained specimen slides to examine tissue	297	72	$118.29	$31.89
88342 Special stained specimen slides to examine tissue, initial procedure	119	97	$205.00	$39.78
88312 Special stained specimen slides to identify organisms including interpretation and report	117	58	$109.72	$29.94
88350 Antibody evaluation, each additional single antibody stain procedure	66	11	$119.09	$32.64
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	40	39	$347.25	$94.75
88313 Special stained specimen slides to examine tissue including interpretation and report	34	23	$50.24	$13.58
88304 Pathology examination of tissue using a microscope, moderately low complexity	31	31	$57.00	$12.88
88344 Special stained specimen slides to examine tissue	25	20	$159.56	$43.26
88346 Antibody evaluation, initial single antibody stain procedure	11	11	$164.00	$40.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,461	1,034	$156.00	$41.99
88341 Special stained specimen slides to examine tissue	315	91	$117.17	$31.71
88342 Special stained specimen slides to examine tissue, initial procedure	162	126	$205.00	$39.11
88350 Antibody evaluation, each additional single antibody stain procedure	96	16	$118.00	$31.61
88312 Special stained specimen slides to identify organisms including interpretation and report	89	56	$110.66	$29.38
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	64	63	$344.83	$92.41
88304 Pathology examination of tissue using a microscope, moderately low complexity	59	56	$54.61	$12.62
88313 Special stained specimen slides to examine tissue including interpretation and report	50	34	$49.16	$13.35
88344 Special stained specimen slides to examine tissue	36	31	$159.89	$42.79
88307 Pathology examination of tissue using a microscope, moderately high complexity	29	11	$345.59	$92.36
88346 Antibody evaluation, initial single antibody stain procedure	16	16	$164.00	$39.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,473	1,046	$149.86	$42.36
88341 Special stained specimen slides to examine tissue	383	89	$110.19	$31.72
88342 Special stained specimen slides to examine tissue, initial procedure	165	134	$205.00	$39.59
88350 Antibody evaluation, each additional single antibody stain procedure	126	21	$111.52	$31.99
88312 Special stained specimen slides to identify organisms including interpretation and report	109	57	$106.10	$29.75
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	84	83	$337.61	$93.66
88313 Special stained specimen slides to examine tissue including interpretation and report	61	39	$48.18	$13.33
88305 Pathology examination of tissue using a microscope, intermediate complexity	50	35	$252.00	$77.45
88304 Pathology examination of tissue using a microscope, moderately low complexity	38	37	$54.00	$13.03
88307 Pathology examination of tissue using a microscope, moderately high complexity	34	16	$341.06	$93.52
88344 Special stained specimen slides to examine tissue	22	18	$158.64	$42.38
88346 Antibody evaluation, initial single antibody stain procedure	21	21	$164.00	$39.98
88342 Special stained specimen slides to examine tissue, initial procedure	12	12	$216.33	$119.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,337	962	$147.13	$41.80
88341 Special stained specimen slides to examine tissue	381	84	$88.54	$31.32
88342 Special stained specimen slides to examine tissue, initial procedure	161	116	$226.76	$39.16
88312 Special stained specimen slides to identify organisms including interpretation and report	110	61	$105.00	$29.77
88350 Antibody evaluation, each additional single antibody stain procedure	91	16	$105.38	$31.58
88307 Pathology examination of tissue using a microscope, moderately high complexity	54	17	$325.96	$92.65
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	50	50	$327.36	$92.42
88304 Pathology examination of tissue using a microscope, moderately low complexity	49	46	$54.00	$12.83
88313 Special stained specimen slides to examine tissue including interpretation and report	43	31	$47.14	$13.12
88344 Special stained specimen slides to examine tissue	30	22	$160.30	$42.94
88346 Antibody evaluation, initial single antibody stain procedure	22	16	$174.50	$39.90

Medical Specialties & State Licenses

Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License MA 73791

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.

Dermatology - Dermatopathology

NUCC Taxonomy Code: 207ND0900X

State License MA 73791

A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3083837 (MA)

Commercial Insurance / Payer ID Bcbs Ma

J11623 (MA)

Commercial Insurance / Payer ID Tufts Health Plan

084165 (MA)

Hospital & Practice Group Affiliations

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Massachusetts General Physicians Organization Inc

75 Francis St, Boston, MA 021156110

Phone: 6177325500

Massachusetts General Physicians Organization Inc

243 Charles St, Boston, MA 021143002

Phone: 6172735699

Practice Associates & Co-Workers

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

40 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. Nancy Wang , MD

Internal Medicine - Hematology & Oncology

NPI 1003101056

Doctor of Medicine (M.D.)

Dr. Dusan Hanidziar , MD, PhD

Anesthesiology

NPI 1003103813

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. John Danko , DO

Physical Medicine & Rehabilitation

NPI 1003109596

Doctor of Osteopathic Medicine (D.O.)

Dr. Michael Lobritz , MD, PhD

Internal Medicine - Infectious Disease

NPI 1003122540

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Kelly Trecartin , NP

Nurse Practitioner - Acute Care

NPI 1003130469

Nurse Practitioner

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active April 14, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location April 14, 2011

Registered at 55 FRUIT ST, WRN 825, BOSTON, MA 02114 (Tel: 6177265209)

📍

Updated Business Mailing Address April 14, 2011

Registered at 55 FRUIT ST, WRN 825, BOSTON, MA 02114 (Tel: 6177265209)

👤

Provider Name / Credentials Updated April 14, 2011

Recorded as LYN DUNCAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 14, 2011

Dermatology (License #73791 in MA)

🟢

Initial NPI Registration & Enumeration May 12, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1073563698

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 12, 2006

Last Update: April 14, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

55 Fruit St, Wrn 825

Boston, MA 02114

Phone: 6177265209

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.