Gregory Ross Johnston, D.O.
Surgery Physician · Toledo, OH
Gregory Ross Johnston, D.O. is a surgery physician with a practice address in Toledo, Ohio, and NPI 1982866109, issued on Jun 29, 2008. Check the license (Ohio 34.011316, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Gregory Ross Johnston
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 34.011316 OH
5101017786 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3930 Sunforest CT, Toledo, OH 43623
- Phone
- (419) 251-8760
- Enumerated
- Jun 29, 2008
- Record last updated
- Nov 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (419) 251-8765
- Medicaid ID
- 0105812 OH
- Medicare enrollment
- Enrolled (PECOS I20140805002463); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2008
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,249 in Ohio → Look up another NPI →
Also registered at 3930 Sunforest CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheri Desmond, CNPAdult Health Nurse Practitioner1225329600
- Tracey LewisPhysical Therapist1457082943
- Elizabeth Ryan, DPTNeurology Physical Therapist1508661562
- Ronald Shapiro, M.D., PHD., F.A.C.P.Nephrology Physician1679552236
Verify Gregory Ross Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.011316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average surgery physician in 2024
389 Medicare Part D claims for 111 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 36 claims were for opioids.
Most prescribed
- Pantoprazole Sodium76 claims
- Sucralfate64 claims
- Oxycodone-Acetaminophen28 claims
- Ondansetron Hcl24 claims
- Cyclobenzaprine Hcl23 claims
- Lansoprazole23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,004.16
8 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mercy Health Physicians North Specialty Care LLCTiffin, OH
- Mercy Medical Partners Northern Region Specialty Care LLCDefiance, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Ross Johnston among 1,249 surgery physician records in Ohio
Gregory Ross Johnston, D.O. is one of 1,249 surgery physician records with a practice address in Ohio. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2008 · median 2006 among the 739 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Ohio
There are 1,249 surgery physician records in Ohio.
All 1,249 in Ohio → Every provider in Toledo → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Sanjiv Bais, MDToledo, OH 436231528065315
- Candilee Butler, MDToledo, OH 436231801899943
- Timothy Husted, MDToledo, OH 436231598765158
- Tricia Kim, DOToledo, OH 436231417444308
- Robert PalmerToledo, OH 436231558380873
- Alyssa RitchieToledo, OH 436231891258562
- Michael Stark, M.D.Toledo, OH 436231487657326
- William Sternfeld, MDToledo, OH 436231366441651
Common questions
What is Gregory Ross Johnston, D.O.'s NPI number?
Gregory Ross Johnston, D.O.'s National Provider Identifier (NPI) is 1982866109, issued on Jun 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ross Johnston, D.O. located?
The NPPES record lists a practice address at 3930 Sunforest CT, Toledo, OH, 43623. Phone: (419) 251-8760. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ross Johnston, D.O.'s license?
NPPES lists Ohio license number 34.011316, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Ross Johnston, D.O. prescribe under Medicare Part D?
In 2024, Gregory Ross Johnston, D.O. had 389 Medicare Part D claims for 111 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.