DR. GREGORY ROSS JOHNSTON D.O.
NPI 1982866109
Surgery in Toledo, OH

Active since June 29, 2008PECOS EnrolledAccepts Medicare Assignment
3930 SUNFOREST CT, 100, TOLEDO, OH 43623(419) 251-8760(419) 251-8765 Get Directions Write a Review

NPPES record last updated: November 19, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gregory Ross Johnston D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY ROSS JOHNSTON D.O. (NPI 1982866109) is an individual surgery provider in Toledo, Ohio, licensed in Ohio (34.011316) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Mercy Health - Tiffin Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (2008).

NPPES Registry Identity

NPI1982866109
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. GREGORY ROSS JOHNSTONCredential: D.O.
Location Address3930 SUNFOREST CT, 100Toledo, OH 43623-4527
Mailing Address2200 Jefferson Ave, 5th FlToledo, OH 43604-7101 · (419) 251-8983
Fax(419) 251-8765
Sole ProprietorYes
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2008
Enumeration DateJune 29, 2008
Last NPPES UpdateNovember 19, 2015
NPI 1982866109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses Licensed in OH · 34.011316 Licensed in MI · 5101017786
Definition
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.
3930 SUNFOREST CT, Toledo, OH 43623

Other Identifiers 2

Medicaid0105812OH
Medicare PINH350780OH

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Ross Johnston D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800038530
PECOS Enrollment IDI20140805002463
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
24 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
23 services23 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
15 services15 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Health - Tiffin Hospital

Acute Care Hospitals · Tiffin, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360089
Location45 St Lawrence DriveTiffin, OH 44883 · Seneca County
Emergency services Birthing friendly

Mercy St Vincent Medical Center

Acute Care Hospitals · Toledo, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360112
Location2213 Cherry StreetToledo, OH 43608 · Lucas County
Emergency services Birthing friendly

Mercy Health - Defiance Hospital

Acute Care Hospitals · Defiance, OH
4/5 CMS rating
OwnershipProprietary
CMS Certification Number360270
Location1404 East Second StreetDefiance, OH 43512 · Defiance County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy pouch, drainable, with extended wear barrier attached, with built in convexity, with filter, (1 piece), each A5057
DME-Orthotic Devices · category DF010N
1 supplier11 claims130 services$9.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
3930 SUNFOREST CT, SUITE 100
TOLEDO, OH 43623
Physical Therapist
3930 SUNFOREST CT
TOLEDO, OH 43623
Physical Therapist (Neurology)
3930 SUNFOREST CT
TOLEDO, OH 43623
Internal Medicine (Nephrology)
3930 SUNFOREST CT
TOLEDO, OH 43623

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Johnston's NPI number?

The NPI number for Gregory Johnston is 1982866109. It was assigned to this individual provider in the NPPES registry on June 29, 2008.

Where is Gregory Johnston located?

Gregory Johnston practices at 3930 Sunforest Ct 100, Toledo, OH 43623. The listed phone number is (419) 251-8760.

What is Gregory Johnston's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory Johnston enrolled in Medicare?

Yes. Gregory Johnston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Johnston accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource, McLaren Health Plan Community and MedMutual and 2 other insurers list Gregory Johnston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Johnston affiliated with any hospitals?

According to CMS data, Gregory Johnston is affiliated with Mercy Health - Tiffin Hospital, Mercy St Vincent Medical Center and Mercy Health - Defiance Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Johnston was last updated on November 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.