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Active NPI 1134366149 Individual Practitioner Male Practitioner

Dr. Gregory R. Semon , DO

Surgery • Dayton, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Semon, DO is a certified Surgery practicing in Dayton, OH. With approximately 18 years of clinical experience since completing medical education in 2008, Dr. Semon delivers high-quality medical care to the local community at 30 E APPLE ST STE 6258.

Dr. Semon is affiliated with Premier Health Specialists 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, critical care, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

30 E Apple St Ste 6258

Dayton, OH 454092939

Telephone 9372085055

Medicare Profile & Education

Medical School

Other

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Dayton, OH

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
18 Yrs -4.1 yrs vs City Avg
City Avg: 22.1 Yrs
State Avg: 24.9 Yrs
Regional Practice Density
68 Specialists

Practicing in Dayton, OH (1313 Statewide)

Telehealth Adoption Rate
4.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
49.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Semon (18 Years) 18 Yrs
Dayton Specialty Average (22.1 Years) 22.1 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
124 58 $119.00 $72.88
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
65 48 $170.00 $109.65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
59 59 $338.00 $160.38
99291 Critical care, first 30-74 minutes
36 16 $446.00 $197.04
99239 Hospital discharge day management, more than 30 minutes
23 23 $207.00 $105.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
14 14 $242.00 $121.29
99238 Hospital discharge day management, 30 minutes or less
13 13 $151.00 $74.93

Medical Specialties & State Licenses

CMS Verified: 2025-08-20
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License OH 34.011898

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License OH 34.011898

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Surgery - Trauma Surgery

NUCC Taxonomy Code: 2086S0127X

State License OH 34.011898

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Hospital & Practice Group Affiliations

Premier Health Specialists Inc

30 E Apple St, Dayton, OH 454092939

Premier Health Specialists Inc

1 Wyoming St, Dayton, OH 454092722

Premier Health Specialists Inc

1 Wyoming St, Dayton, OH 454092939

Phone: 9374394381

Premier Health Specialists Inc

450 N Hyatt St, Tipp City, OH 453711433

Phone: 9378324773

Practice Associates & Co-Workers

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

4 Associated Practitioners
NPI 1538629316

Doctor of Medicine (M.D.)

Micah Ancheta

Surgery - Surgical Critical Care

NPI 1588104905
NPI 1689194722

Doctor of Medicine (M.D.)

Dr. Makayla Ayres , MD, RESIDENT, TRAINEE

Student in an Organized Health Care Education/Training Program

NPI 1942089644

Doctor of Medicine (M.D.), RESIDENT, TRAINEE

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location August 20, 2025

Registered at 30 E APPLE ST STE 6258, DAYTON, OH 454092939 (Tel: 9372085055)

📍
Updated Business Mailing Address August 20, 2025

Registered at 30 E APPLE ST STE 6258, DAYTON, OH 454092939 (Tel: 9372085055)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 20, 2025

Surgery (License #34.011898 in OH)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 13, 2022

Surgery (License #34.011898 in OH)

NPI Profile Active June 24, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location June 24, 2015

Registered at 30 E APPLE ST, SUITE 5253, DAYTON, OH 454092939 (Tel: 9372082552)

📍
Updated Business Mailing Address June 24, 2015

Registered at 128 E APPLE ST, SUITE 7000, DAYTON, OH 454092902 (Tel: 9372088322)

👤
Provider Name / Credentials Updated June 24, 2015

Recorded as GREGORY SEMON, D.O.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 24, 2015

Surgery (License #58.002785 in OH)

🟢
Initial NPI Registration & Enumeration January 13, 2009

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: 1134366149
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 13, 2009
Last Update: August 20, 2025
Sole Proprietor: No

Mailing Address

30 E Apple St Ste 6258

Dayton, OH 454092939

Phone: 9372085055

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.