Gregory B. Parranto, MD
Family Medicine Physician · Lima, OH
Gregory B. Parranto, MD is a family medicine physician with a practice address in Lima, Ohio, and NPI 1447238993, issued on Jan 5, 2006. Check the license (Ohio 35-08-4130, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Gregory B. Parranto
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 35-08-4130 OH
35084130 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1550 N Main St, Lima, OH 45801
- Phone
- (419) 516-0327
- Enumerated
- Jan 5, 2006
- Record last updated
- Feb 2, 2024
- Fax
- (419) 225-8878
- Medicaid ID
- 2545375 OH
- Medicare enrollment
- Enrolled (PECOS I20041213001096); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2002
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 1550 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Aust-Cox, LISW-SClinical Social Worker1730564345
- Payton Bassitt, CNPFamily Nurse Practitioner1720805351
- Kimberly Butler, LISWClinical Social Worker1528570025
- Ashley Conrad, FNPFamily Nurse Practitioner1861989915
- Shane Dumm, LPCCMental Health Counselor1689154197
- Samantha Farler, LISWClinical Social Worker1053296723
Verify Gregory B. Parranto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-08-4130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average family medicine physician in 2024
18,103 Medicare Part D claims for 557 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 442 claims were for opioids.
Most prescribed
- Atorvastatin Calcium873 claims
- Amlodipine Besylate799 claims
- Gabapentin651 claims
- Levothyroxine Sodium367 claims
- Pantoprazole Sodium352 claims
- Metformin Hcl351 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.
Bills Medicare through one group practice
- Health Partners OF Western OhioLima, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory B. Parranto among 5,606 family medicine physician records in Ohio
Gregory B. Parranto, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2005 among the 3,510 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 family medicine physician records list a practice address in Lima
They are 47 of the 2,639 NPPES records with a practice address in Lima, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Lima → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Caudill, CNPLima, OH 458011154858611
- Nathan Clinton, MDLima, OH 458011801180005
- Christopher Davis, MDLima, OH 458011447579628
- Pooja Gupta, MDLima, OH 458011124284393
- Vijaya Kuchipudi, MDLima, OH 458011770540197
- Ma Jesusa Lingad, M.D.Lima, OH 458011679816763
- Jansen Mallari, MDLima, OH 458011528447158
- Sampath Medepalli, MDLima, OH 458011619380557
Common questions
What is Gregory B. Parranto, MD's NPI number?
Gregory B. Parranto, MD's National Provider Identifier (NPI) is 1447238993, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory B. Parranto, MD located?
The NPPES record lists a practice address at 1550 N Main St, Lima, OH, 45801. Phone: (419) 516-0327. Providers update this record themselves, so call before visiting.
How can I verify Gregory B. Parranto, MD's license?
NPPES lists Ohio license number 35-08-4130, 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 B. Parranto, MD prescribe under Medicare Part D?
In 2024, Gregory B. Parranto, MD had 18,103 Medicare Part D claims for 557 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.