Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1194706002 Individual Practitioner Male Practitioner

Dr. Andrew Scott Karson , MD

Internal Medicine • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Andrew Karson, MD is a certified Internal Medicine practicing in Worcester, MA. With approximately 31 years of clinical experience since graduating from Harvard Medical School in 1995, Dr. Karson delivers high-quality medical care to the local community at 55 LAKE AVE N.

Dr. Karson is affiliated with Umass Memorial Medical Group 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, follow-up hospital inpatient care per day, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

55 Lake Ave N

Worcester, MA 016550002

Telephone 7744423797
Fax 7744423694
Associated Practice Facility / Clinic
🏢 Umass Memorial Medical Center Facility NPI 1679574933

Medicare Profile & Education

Medical School

Harvard Medical School

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Worcester, MA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
31 Yrs +11.6 yrs vs City Avg
City Avg: 19.4 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
460 Specialists

Practicing in Worcester, MA (7127 Statewide)

Telehealth Adoption Rate
15.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
65.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Karson (31 Years) 31 Yrs
Worcester Specialty Average (19.4 Years) 19.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
61 28 $238.00 $80.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
32 16 $342.00 $120.95
99231 Follow-up hospital inpatient care per day, typically 15 minutes
23 11 $158.00 $50.25

Medical Specialties & State Licenses

CMS Verified: 2020-10-28
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 155144

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

Umass Memorial Medical Group Inc

55 Lake Ave N, Worcester, MA 016550002

Phone: 5083341000

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Hillary Irons , MD

Emergency Medicine

NPI 1003041971

Doctor of Medicine (M.D.)

Eileen Duhamel , NP

Nurse Practitioner

NPI 1003054727

Nurse Practitioner

Ewa Hryniszyn , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003056284

Certified Registered Nurse Anesthetist

Helen Copsey , PA-C

Physician Assistant

NPI 1003066804

Physician Assistant (Certified)

Dr. Adepeju Champion , MD

Internal Medicine

NPI 1003090499

Doctor of Medicine (M.D.)

Sowmya Korapati

Internal Medicine - Hematology & Oncology

NPI 1003108259

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location July 15, 2019

Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 7744423797)

📍
Updated Business Mailing Address July 15, 2019

Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)

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, FND 7, BOSTON, MA 021142696 (Tel: 6177248262)

📍
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 ANDREW KARSON, MD

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

Internal Medicine (License #155144 in MA)

🟢
Initial NPI Registration & Enumeration November 08, 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: 1194706002
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 08, 2005
Last Update: October 28, 2020
Sole Proprietor: No

Mailing Address

Po Box 415348

Boston, MA 022415348

Phone: 8002258885

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.