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Active NPI 1215373279 Individual Practitioner Male Practitioner

Dr. Andreas P. Thyssen , MD

Internal Medicine • Brunswick, ME

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Andreas Thyssen, MD is a certified Internal Medicine practicing in Brunswick, ME. With approximately 13 years of clinical experience since graduating from University Of Colorado School Of Medicine, Denver in 2013, Dr. Thyssen delivers high-quality medical care to the local community at 8 MASON ST.

Dr. Thyssen maintains professional affiliations with Maine Street Medical Pllc, Mainehealth, Select Physical Therapy Holdings Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, 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

8 Mason St

Brunswick, ME 040111514

Telephone 2076192314
Fax 2074202314
Associated Practice Facility / Clinic
🏢 Nickerson Optical Facility NPI 1336309046

Medicare Profile & Education

Medical School

University Of Colorado School Of Medicine, Denver

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Brunswick, ME

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
13 Yrs -7.2 yrs vs City Avg
City Avg: 20.2 Yrs
State Avg: 26.3 Yrs
Regional Practice Density
19 Specialists

Practicing in Brunswick, ME (620 Statewide)

Telehealth Adoption Rate
15.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
58.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Thyssen (13 Years) 13 Yrs
Brunswick Specialty Average (20.2 Years) 20.2 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
57 25 $165.68 $79.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
19 19 $450.79 $173.91

Medical Specialties & State Licenses

CMS Verified: 2025-08-28
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License ME MD21627

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.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License ME MD21627

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Maine Street Medical Pllc

8 Mason St, Brunswick, ME 040111514

Phone: 2076192314

Mainehealth

22 Bramhall St, Portland, ME 041023134

Phone: 2077063280

Select Physical Therapy Holdings Inc

730 Ctr St, Auburn, ME 042106316

Phone: 2077833450

Practice Associates & Co-Workers

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

4 Associated Practitioners
NPI 1013030378

Doctor of Medicine (M.D.)

NPI 1083744429

Doctor of Medicine (M.D.)

Mark Nickerson

Technician/Technologist - Optician

NPI 1710181045
NPI 1740202621

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location August 28, 2025

Registered at 8 MASON ST, BRUNSWICK, ME 040111514 (Tel: 2076192314)

📍
Updated Business Mailing Address August 28, 2025

Registered at 8 MASON ST, BRUNSWICK, ME 040111514 (Tel: 2076192314)

📍
Updated Business Mailing Address December 19, 2022

Registered at 22 DIONNE CIR, BRUNSWICK, ME 040113211 (Tel: 3142499759)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 19, 2022

Pediatrics (License #MD21627 in ME)

NPI Profile Active December 01, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location December 01, 2014

Registered at 22 BRAMHALL ST, PORTLAND, ME 041023134 (Tel: 2076626562)

📍
Updated Business Mailing Address December 01, 2014

Registered at 22 BRAMHALL ST, PORTLAND, ME 041023134 (Tel: 2076626562)

👤
Provider Name / Credentials Updated December 01, 2014

Recorded as ANDREAS THYSSEN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 01, 2014

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 17, 2013

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: 1215373279
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 17, 2013
Last Update: August 28, 2025
Sole Proprietor: No

Mailing Address

8 Mason St

Brunswick, ME 040111514

Phone: 2076192314

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.