Dr. Gregory Johnston, DO - Surgery in Toledo, OH

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Johnston, DO is a certified Surgery practicing in Toledo, OH. With approximately 18 years of clinical experience since graduating from Michigan State University College Of Osteopathic Medicine in 2008, Dr. Johnston delivers high-quality medical care to the local community at 3930 SUNFOREST CT.

Dr. Johnston maintains professional affiliations with Mercy Health Physicians North Specialty Care Llc, Mercy Medical Partners Northern Region Specialty Care Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3930 Sunforest Ct
100

Toledo, OH 436234527

Telephone 4192518760

Fax 4192518765

Associated Practice Facility / Clinic

🏢 Mercy Home Care, Inc Facility NPI 1386644979

Medicare Profile & Education

Medical School

Michigan State University College Of Osteopathic Medicine

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Toledo, OH

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -2.5 yrs vs City Avg

City Avg: 20.5 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

44 Specialists

Practicing in Toledo, OH (1313 Statewide)

Telehealth Adoption Rate

6.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnston (18 Years) 18 Yrs

Toledo Specialty Average (20.5 Years) 20.5 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
99213 Established patient office or other outpatient visit, typically 15 minutes	26	22	$134.92	$85.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	23	$192.25	$116.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$248.48	$157.96
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$450.00	$124.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	27	18	$138.30	$84.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$247.00	$152.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	18	$191.00	$111.74
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$450.00	$131.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	25	20	$134.00	$86.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$247.00	$162.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$165.00	$108.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	38	33	$134.00	$87.10
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	31	$84.00	$54.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$247.00	$159.60
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$450.00	$130.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	13	$198.00	$133.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$164.00	$102.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	46	37	$109.00	$72.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	21	$103.00	$69.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$246.00	$160.95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$198.00	$136.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$66.00	$43.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	85	52	$109.00	$70.18
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$198.00	$133.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$246.00	$158.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	14	$103.00	$71.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	124	56	$109.00	$68.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$246.00	$141.79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	17	$198.00	$134.04
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	12	$450.00	$130.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	108	45	$109.00	$64.01
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$246.00	$149.01
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	16	$103.00	$70.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	15	$56.00	$38.36
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	21	20	$450.00	$119.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	18	$198.00	$133.62

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License OH 34.011316

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

NUCC Taxonomy Code: 208600000X

State License MI 5101017786

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

0105812 (OH)

Hospital & Practice Group Affiliations

Mercy Medical Partners Northern Region Specialty Care Llc

1400 E 2nd St, Defiance, OH 435122440

Phone: 4197841414

Mercy Health Physicians North Specialty Care Llc

27 St Lawrence Dr, Tiffin, OH 448838314

Phone: 4194558500

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Thomas Butler , MD

Transplant Surgery

NPI 1073774311

Doctor of Medicine (M.D.)

Paige Bellaire

Nurse Practitioner - Family

NPI 1154202943

Sheri Desmond , CNP

Nurse Practitioner - Adult Health

NPI 1225329600

Certified Nurse Practitioner

Theresa Tate

Dietitian, Registered

NPI 1316362700

Dr. Johnny Hong , MD

Transplant Surgery

NPI 1538194436

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 19, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location November 19, 2015

Registered at 3930 SUNFOREST CT, 100, TOLEDO, OH 436234527 (Tel: 4192518760)

📍

Updated Business Mailing Address November 19, 2015

Registered at 2200 JEFFERSON AVE, 5TH FL, TOLEDO, OH 436047101 (Tel: 4192518983)

👤

Provider Name / Credentials Updated November 19, 2015

Recorded as GREGORY JOHNSTON, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2015

Surgery (License #34.011316 in OH)

🟢

Initial NPI Registration & Enumeration June 29, 2008

First registered as active Individual Practitioner in NPPES Database.

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Dr. Gregory Ross Johnston , DO