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Active NPI 1255950440 Individual Practitioner Male Practitioner

Dr. Michael Ghiassi , DO

Internal Medicine • Riverhead, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Ghiassi, DO is a certified Internal Medicine practicing in Riverhead, NY. With approximately 7 years of clinical experience since graduating from Lincoln Memorial University Medical Department in 2019, Dr. Ghiassi delivers high-quality medical care to the local community at 1 HEROES WAY.

Dr. Ghiassi maintains professional affiliations with Aria Health Physician Services, Abington Memorial Hospital and accepts Medicare assignment.

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

1 Heroes Way

Riverhead, NY 119012058

Telephone 6315486000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Lincoln Memorial University Medical Department

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Riverhead, NY

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -10.9 yrs vs City Avg
City Avg: 17.9 Yrs
State Avg: 29.4 Yrs
Regional Practice Density
17 Specialists

Practicing in Riverhead, NY (12979 Statewide)

Telehealth Adoption Rate
17.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
61.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ghiassi (7 Years) 7 Yrs
Riverhead Specialty Average (17.9 Years) 17.9 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
628 573 $561.97 $192.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
21 13 $281.60 $131.93

Medical Specialties & State Licenses

CMS Verified: 2025-02-04
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License NY 322416

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 PA OS024395

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

Abington Memorial Hospital

1200 Old York Rd, Abington, PA 190013720

Phone: 2154812222

Aria Health Physician Services

10800 Knights Rd, Philadelphia, PA 191144200

Phone: 2156124000

Secondary Practice Locations

10800 Knights Rd

Philadelphia, PA 191144200

Phone: 2154813915

Practice Associates & Co-Workers

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

40 Associated Practitioners
Courtney Clemons

Physician Assistant

NPI 1063252377
Alyssa Maharaj , PA-C

Physician Assistant

NPI 1073435087

Physician Assistant (Certified)

NPI 1093291619

Doctor of Medicine (M.D.)

NPI 1114649084
Dr. Ariane Osterwald , DO

Student in an Organized Health Care Education/Training Program

NPI 1124643747

Doctor of Osteopathic Medicine (D.O.)

Dr. Laura Gilmartin , MD

Internal Medicine

NPI 1134296247

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location May 25, 2024

Registered at 1 HEROES WAY, RIVERHEAD, NY 119012058 (Tel: 6315486000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 25, 2024

Internal Medicine (License #322416 in NY)

NPI Profile Active April 08, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location April 08, 2020

Registered at 27100 CHARDON RD, RICHMOND HEIGHTS, OH 441431116 (Tel: 4405856500)

📍
Updated Business Mailing Address April 08, 2020

Registered at 103 STILLWATER CT, HENDERSONVILLE, TN 370754370 (Tel: 6159753570)

👤
Provider Name / Credentials Updated April 08, 2020

Recorded as MICHAEL GHIASSI, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 08, 2020

Internal Medicine (License #58.031315 in OH)

🟢
Initial NPI Registration & Enumeration April 08, 2020

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: 1255950440
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 08, 2020
Last Update: February 04, 2025
Sole Proprietor: No

Mailing Address

103 Stillwater Ct

Hendersonville, TN 370754370

Phone: 6159753570

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.