Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1801917372 Individual Practitioner Male Practitioner

Dr. James Michael Bartz , MD

Internal Medicine • Boston, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Bartz, MD is a certified Internal Medicine practicing in Boston, MA. With approximately 21 years of clinical experience since graduating from Emory University School Of Medicine in 2005, Dr. Bartz delivers high-quality medical care to the local community at MASSACHUSETTS GENERAL HOSPITAL.

Dr. Bartz is affiliated with Mass General Brigham Medical Group Suburban Massachusetts Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

Massachusetts General Hospital
55 Fruit Street

Boston, MA 02114

Telephone 6177262066
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Emory University School Of Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Boston, MA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs +3.6 yrs vs City Avg
City Avg: 17.4 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
2379 Specialists

Practicing in Boston, MA (7127 Statewide)

Telehealth Adoption Rate
24.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
75.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Bartz (21 Years) 21 Yrs
Boston Specialty Average (17.4 Years) 17.4 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
340 132 $497.66 $123.50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
103 56 $330.00 $81.93
99239 Hospital discharge day management, more than 30 minutes
68 68 $482.93 $120.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
37 37 $805.00 $180.78
99497 Advance care planning, first 30 minutes
13 11 $317.38 $78.92

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 234624

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MA L-224875

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Mass General Brigham Medical Group Suburban Massachusetts Inc

2014 Washington St, Newton, MA 024621607

Phone: 6172436000

Practice Associates & Co-Workers

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

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Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active December 09, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location December 09, 2009

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET, BOSTON, MA 02114 (Tel: 6177262066)

📍
Updated Business Mailing Address December 09, 2009

Registered at 2014 WASHINGTON STREET, NEWTON WEILESLEY HOSPITAL, HOSPITALIST OFFICE, NEWTON, MA 02462 (Tel: 6172436433)

👤
Provider Name / Credentials Updated December 09, 2009

Recorded as JAMES BARTZ, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 09, 2009

Internal Medicine (License #234624 in MA)

🟢
Initial NPI Registration & Enumeration April 03, 2007

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: 1801917372
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 03, 2007
Last Update: December 09, 2009
Sole Proprietor: No

Mailing Address

2014 Washington Street, Newton Weilesley Hospital, Hospitalist Office

Newton, MA 02462

Phone: 6172436433

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.