What is Gregory Johnston's NPI number?

Gregory Johnston's National Provider Identifier (NPI) is 1982866109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Johnston's specialty?

Gregory Johnston is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Gregory Johnston located?

Gregory Johnston's practice location on file with NPPES is 3930 Sunforest Ct, Toledo, OH 43623-4527.

What is Gregory Johnston's phone number?

The practice phone number listed in the NPPES registry for Gregory Johnston is (419) 251-8760.

Does Gregory Johnston accept Medicare?

Gregory Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Gregory Johnston's NPI active?

Yes — Gregory Johnston's NPI (1982866109) is active in the NPPES registry as of the last update on 2015-11-19.

IndividualActiveAccepts Medicare

Gregory Johnston, D.O.

NPI 1982866109 · Surgery Physician · Toledo, OH

Gregory Johnston, D.O. is a Surgery Physician provider in Toledo, OH (NPI 1982866109).

Provider details

NPI number: 1982866109
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male
Sole proprietor: Yes
License: 5101017786 (MI)

Practice location

3930 Sunforest Ct

100

Toledo, OH 43623-4527

Phone: (419) 251-8760

Fax: (419) 251-8765

Street-level locationGet directions

More OH providers

Mailing address

2200 Jefferson Ave

Toledo, OH 43604-7101

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense 34.011316 (OH)
Allopathic & Osteopathic Physicians
Surgery Physician208600000XLicense 5101017786 (MI)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(70/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
18 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
88 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	26	$86
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	24	$117
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	23	$158
Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239	15	$124

Typical Medicare-allowed amounts for these services range $86–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Pantoprazole Sodium	76	32
Sucralfate	64	31
Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen	28	24
Ondansetron Hcl	24	18
Cyclobenzaprine Hcl	23	18
Lansoprazole	23	—
Promethazine Hcl	19	17
Enoxaparin Sodium

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,004 across 8 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2008-06-29
Last updated: 2015-11-19

Frequently asked questions

What is Gregory Johnston's NPI number?: Gregory Johnston's National Provider Identifier (NPI) is 1982866109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Gregory Johnston's specialty?: Gregory Johnston is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
Where is Gregory Johnston located?: Gregory Johnston's practice location on file with NPPES is 3930 Sunforest Ct, Toledo, OH 43623-4527.
What is Gregory Johnston's phone number?: The practice phone number listed in the NPPES registry for Gregory Johnston is (419) 251-8760.
Does Gregory Johnston accept Medicare?: Gregory Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Gregory Johnston's NPI active?: Yes — Gregory Johnston's NPI (1982866109) is active in the NPPES registry as of the last update on 2015-11-19.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	26	$86
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	24	$117
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	23	$158
Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239	15	$124

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Pantoprazole Sodium	76	32
Sucralfate	64	31
Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen	28	24
Ondansetron Hcl	24	18
Cyclobenzaprine Hcl	23	18
Lansoprazole	23	—
Promethazine Hcl	19	17
Enoxaparin Sodium

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,004 across 8 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments