Michelle Ahn
Internal Medicine • Boston, MA
Professional Overview & Biography Verified Profile Summary
Michelle Ahn is a certified Internal Medicine practicing in Boston, MA. With approximately 10 years of clinical experience since graduating from University Of Pittsburgh School Of Medicine in 2016, Michelle Ahn delivers high-quality medical care to the local community at 55 FRUIT ST.
Michelle Ahn is affiliated with Massachusetts General Physicians Organization 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, 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
55 Fruit St
Boston, MA 021142621
Medicare Profile & Education
University Of Pittsburgh School Of Medicine
2016
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Boston, MA
Practicing in Boston, MA (7127 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| 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
|
70 | 41 | $498.10 | $123.42 |
|
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
|
14 | 14 | $805.00 | $180.96 |
Medical Specialties & State Licenses
CMS Verified: 2026-01-26NUCC Taxonomy Code: 207R00000X
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.
NUCC Taxonomy Code: 208M00000X
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Hospital & Practice Group Affiliations
Massachusetts General Physicians Organization Inc
55 Fruit St, Boston, MA 021142696
Phone: 6177240287
Secondary Practice Locations
75 Francis St
Boston, MA 021156110
Phone: 6177325500
55 Fruit St Unit Blake15
Boston, MA 021142621
Phone: 6177243842
200 Lothrop St, Suite N-715
Pittsburgh, PA 152132536
Phone: 4126924700
1153 Centre St
Jamaica Plain, MA 021303446
Phone: 6179837000
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant
Physician Assistant (Certified)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 55 FRUIT ST, BOSTON, MA 021142621 (Tel: 6177243842)
Registered at 55 FRUIT ST, BOSTON, MA 021142621 (Tel: 6177243842)
Hospitalist (License #278451 in MA)
NPI status registered as active in NPPES database
Registered at 200 LOTHROP ST, SUITE N-715, PITTSBURGH, PA 152132536 (Tel: 4126924700)
Registered at 200 LOTHROP ST, SUITE N-715, PITTSBURGH, PA 152132536 (Tel: 4126924700)
Recorded as MICHELLE AHN
Student in an Organized Health Care Education/Training Program
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
Mailing Address
55 Fruit St
Boston, MA 021142621
Phone: 6177243842
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.