Active NPI 1699196097 Individual Practitioner Male Practitioner

Dr. Robert Willim , MD

Pathology - Anatomic Pathology & Clinical Pathology • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Willim, MD is a certified Pathology - Anatomic Pathology & Clinical Pathology practicing in Boston, MA. With approximately 16 years of clinical experience since graduating from State University Of New York At Stony Brook, School Of Medicine in 2010, Dr. Willim delivers high-quality medical care to the local community at 330 BROOKLINE AVE.

Dr. Willim is affiliated with Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include special stained specimen slides to examine tissue, flow cytometry technique for dna or cell analysis, 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

330 Brookline Ave

Boston, MA 022155400

Telephone 6176674344

Associated Practice Facility / Clinic

🏢 Dva Healthcare Of Massachusetts, Inc. Facility NPI 1295794121

Medicare Profile & Education

Medical School

State University Of New York At Stony Brook, School Of Medicine

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology & Clinical Pathology in Boston, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

16 Yrs -3.3 yrs vs City Avg

City Avg: 19.3 Yrs

State Avg: 30.9 Yrs

Regional Practice Density

296 Specialists

Practicing in Boston, MA (564 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Willim (16 Years) 16 Yrs

Boston Specialty Average (19.3 Years) 19.3 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
88341 Special stained specimen slides to examine tissue	476	83	$94.00	$28.68
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	168	147	$358.00	$86.19
88342 Special stained specimen slides to examine tissue, initial procedure	95	88	$116.00	$35.79
88305 Pathology examination of tissue using a microscope, intermediate complexity	91	84	$124.00	$38.27
88311 Preparation of tissue for examination by removing any calcium present	72	68	$41.00	$12.36
85097 Bone marrow, smear interpretation	69	65	$302.00	$49.84
88313 Special stained specimen slides to examine tissue including interpretation and report	54	33	$40.00	$12.38
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	52	42	$292.00	$64.25
85390 Coagulation function screening test with interpretation and report	35	34	$122.00	$37.46
85060 Blood smear interpretation by physician with written report	32	30	$81.00	$24.82
88365 Genetic sequencing localization, initial procedure	18	17	$186.00	$43.73
83020 Hemoglobin analysis and measurement, electrophoresis	16	16	$60.00	$18.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	721	104	$94.00	$29.81
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	200	174	$358.00	$88.78
88342 Special stained specimen slides to examine tissue, initial procedure	121	108	$116.00	$36.68
88305 Pathology examination of tissue using a microscope, intermediate complexity	113	94	$124.00	$39.23
88311 Preparation of tissue for examination by removing any calcium present	86	77	$41.00	$13.06
85097 Bone marrow, smear interpretation	80	71	$302.00	$51.13
88313 Special stained specimen slides to examine tissue including interpretation and report	51	35	$40.00	$12.65
88365 Genetic sequencing localization, initial procedure	26	24	$186.00	$45.36
85390 Coagulation function screening test with interpretation and report	21	20	$122.00	$38.35
85060 Blood smear interpretation by physician with written report	19	18	$81.00	$25.64
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	15	15	$300.00	$88.73
88307 Pathology examination of tissue using a microscope, moderately high complexity	14	13	$274.00	$86.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	600	92	$94.00	$30.33
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	156	138	$358.00	$90.31
88342 Special stained specimen slides to examine tissue, initial procedure	118	105	$116.00	$37.43
88305 Pathology examination of tissue using a microscope, intermediate complexity	101	86	$124.00	$40.44
88311 Preparation of tissue for examination by removing any calcium present	76	68	$41.00	$13.44
85097 Bone marrow, smear interpretation	74	65	$302.00	$51.67
88313 Special stained specimen slides to examine tissue including interpretation and report	46	30	$40.00	$13.04
88365 Genetic sequencing localization, initial procedure	27	24	$186.00	$47.11
85060 Blood smear interpretation by physician with written report	24	24	$81.00	$25.69
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	19	19	$281.05	$90.81
85390 Coagulation function screening test with interpretation and report	17	15	$122.00	$39.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	443	85	$94.00	$31.62
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	200	180	$358.00	$93.11
88342 Special stained specimen slides to examine tissue, initial procedure	121	102	$116.00	$38.91
88305 Pathology examination of tissue using a microscope, intermediate complexity	120	95	$124.00	$41.61
88311 Preparation of tissue for examination by removing any calcium present	95	75	$41.00	$13.84
85097 Bone marrow, smear interpretation	92	73	$302.00	$54.07
88313 Special stained specimen slides to examine tissue including interpretation and report	48	34	$40.00	$13.42
85060 Blood smear interpretation by physician with written report	24	20	$81.00	$27.16
88365 Genetic sequencing localization, initial procedure	21	19	$186.00	$48.41
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	19	19	$276.00	$93.08
85390 Coagulation function screening test with interpretation and report	14	14	$122.00	$41.23
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	12	12	$292.00	$69.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	424	61	$96.00	$31.85
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	157	139	$398.66	$95.37
88305 Pathology examination of tissue using a microscope, intermediate complexity	76	63	$128.00	$42.30
88342 Special stained specimen slides to examine tissue, initial procedure	70	66	$120.00	$39.64
88311 Preparation of tissue for examination by removing any calcium present	48	46	$42.00	$13.96
85097 Bone marrow, smear interpretation	47	46	$302.00	$55.07
88313 Special stained specimen slides to examine tissue including interpretation and report	41	27	$41.00	$13.52
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	18	13	$305.78	$71.45
88365 Genetic sequencing localization, initial procedure	14	14	$186.00	$49.31
85060 Blood smear interpretation by physician with written report	13	13	$72.00	$27.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	747	114	$100.01	$31.76
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	234	204	$659.29	$93.30
88305 Pathology examination of tissue using a microscope, intermediate complexity	156	126	$126.92	$42.04
88342 Special stained specimen slides to examine tissue, initial procedure	138	122	$120.72	$39.36
88311 Preparation of tissue for examination by removing any calcium present	103	89	$40.75	$13.77
85097 Bone marrow, smear interpretation	92	83	$186.57	$54.33
88313 Special stained specimen slides to examine tissue including interpretation and report	77	56	$39.87	$13.35
88365 Genetic sequencing localization, initial procedure	32	30	$198.97	$48.46
85060 Blood smear interpretation by physician with written report	31	29	$78.61	$26.85
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	24	23	$540.00	$70.10
85390 Coagulation function screening test with interpretation and report	24	24	$64.00	$40.36
88307 Pathology examination of tissue using a microscope, moderately high complexity	15	13	$281.00	$92.36
83020 Hemoglobin analysis and measurement, electrophoresis	15	15	$64.00	$19.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	804	120	$133.00	$31.72
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	188	160	$348.37	$93.78
88305 Pathology examination of tissue using a microscope, intermediate complexity	165	115	$121.00	$42.40
88342 Special stained specimen slides to examine tissue, initial procedure	162	132	$133.00	$39.73
88311 Preparation of tissue for examination by removing any calcium present	120	89	$39.00	$14.17
85097 Bone marrow, smear interpretation	115	84	$257.00	$54.65
88313 Special stained specimen slides to examine tissue including interpretation and report	72	49	$38.00	$13.33
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	38	27	$283.00	$70.81
85060 Blood smear interpretation by physician with written report	31	28	$77.00	$27.24
88312 Special stained specimen slides to identify organisms including interpretation and report	30	12	$87.00	$29.75
88321 Surgical pathology consultation and report on referred slides prepared elsewhere	29	28	$269.00	$93.56
88365 Genetic sequencing localization, initial procedure	23	22	$189.00	$49.24
88307 Pathology examination of tissue using a microscope, moderately high complexity	17	15	$266.00	$93.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88341 Special stained specimen slides to examine tissue	641	98	$133.00	$31.32
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers	193	163	$345.00	$96.42
88305 Pathology examination of tissue using a microscope, intermediate complexity	131	109	$121.00	$41.81
88342 Special stained specimen slides to examine tissue, initial procedure	117	107	$133.00	$39.16
88311 Preparation of tissue for examination by removing any calcium present	89	79	$39.00	$13.94
85097 Bone marrow, smear interpretation	79	73	$257.00	$53.77
88313 Special stained specimen slides to examine tissue including interpretation and report	41	36	$38.00	$13.12
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers	31	29	$283.00	$79.95
85060 Blood smear interpretation by physician with written report	30	29	$77.00	$26.80
88312 Special stained specimen slides to identify organisms including interpretation and report	28	11	$87.00	$29.77
88365 Genetic sequencing localization, initial procedure	24	24	$189.00	$48.57
88307 Pathology examination of tissue using a microscope, moderately high complexity	20	16	$266.00	$92.65
83020 Hemoglobin analysis and measurement, electrophoresis	12	12	$60.00	$19.51

Medical Specialties & State Licenses

CMS Verified: 2025-11-24

Pathology - Anatomic Pathology & Clinical Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0102X

State License MA 258029

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.

Hospital & Practice Group Affiliations

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

330 Brookline Ave, Boston, MA 022155491

Phone: 6177548612

Practice Associates & Co-Workers

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

39 Associated Practitioners

Dr. Ruben Oganesyan , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1043907371

Doctor of Medicine (M.D.)

Brian Enloe

Student in an Organized Health Care Education/Training Program

NPI 1073992749

Dr. Seymour Rosen , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1134234032

Doctor of Medicine (M.D.)

Dr. Lawrence Brown , MD

Pathology - Anatomic Pathology

NPI 1154436046

Doctor of Medicine (M.D.)

Dr. Newsha Sajadi , DO

General Acute Care Hospital

NPI 1205539020

Doctor of Osteopathic Medicine (D.O.)

Dr. Burcu Gurun-Demir , MD, PhD

Student in an Organized Health Care Education/Training Program

NPI 1215875141

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.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) November 24, 2025

Pathology (License #258029 in MA)

✅

NPI Profile Active January 02, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location January 02, 2014

Registered at 330 BROOKLINE AVE, BOSTON, MA 022155400 (Tel: 6176674344)

📍

Updated Business Mailing Address January 02, 2014

Registered at 330 BROOKLINE AVE, BOSTON, MA 022155400 (Tel: 6176674344)

👤

Provider Name / Credentials Updated January 02, 2014

Recorded as ROBERT WILLIM, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 02, 2014

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration January 02, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1699196097

Entity Type:

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

Enumeration Date: January 02, 2014

Last Update: November 24, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

330 Brookline Ave

Boston, MA 022155400

Phone: 6176674344

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.