Lynn A. Gronbach, DO
Family Medicine Physician · Milford, OH
Lynn A. Gronbach, DO is a family medicine physician with a practice address in Milford, Ohio, and NPI 1033418454, issued on Mar 24, 2011. Check the license (Ohio 34.011228, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Lynn A. Gronbach
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 34.011228 OH
Self-reported in NPPES; status is on the state search - Practice location
- 5914 Wolfpen Pleasant Hill RD Ste E, Milford, OH 45150
- Phone
- (513) 831-7503
- Enumerated
- Mar 24, 2011
- Record last updated
- Sep 12, 2025
- Fax
- (513) 831-7923
- Medicare enrollment
- Enrolled (PECOS I20140717001696); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 5914 Wolfpen Pleasant Hill RD Ste E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Frey, DPMFoot & Ankle Surgery Podiatrist1629568191
- Alyssa Hall, PAPhysician Assistant1992675706
- Amy Masowick, DPMFoot & Ankle Surgery Podiatrist1972828770
- Steve Mirkos, DPMFoot & Ankle Surgery Podiatrist1093909657
Verify Lynn A. Gronbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.011228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average family medicine physician in 2024
2,897 Medicare Part D claims for 307 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 76 claims were for opioids.
Most prescribed
- Amlodipine Besylate162 claims
- Atorvastatin Calcium159 claims
- Gabapentin148 claims
- Albuterol Sulfate Hfa103 claims
- Losartan Potassium91 claims
- Metformin Hcl Er76 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
- Podiatry Associates OF OhioMilford, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
22 family medicine physician records list a practice address in Milford
They are 22 of the 697 NPPES records with a practice address in Milford, and 5,606 family medicine physician records in Ohio.
All 22 in Milford → All 5,606 in Ohio → Every provider in Milford →
Other family medicine physician records in Ohio
- John Philamer Abad, M.D.Westerville, OH1356376800
- Katarina Abadie, M.D.Solon, OH1760917447
- Heeran Abawi, M.D.Fairfield, OH1932337649
- Ghassan Abdallah, M.D.Middleburg Heights, OH1265531859
- Karyn Abdallah, M.D.Middleburg Heights, OH1477652816
- Mohamed Abdo, DODelaware, OH1083293229
- Neelab Abdullah, MDCleveland, OH1538806922
- Mohammad AbdulrasoolToledo, OH1053738096
- Johnny Abi-Rached, DOVermilion, OH1548902018
- Katherine Able-Perkins, D.O.Athens, OH1174751143
Common questions
What is Lynn A. Gronbach, DO's NPI number?
Lynn A. Gronbach, DO's National Provider Identifier (NPI) is 1033418454, issued on Mar 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lynn A. Gronbach, DO located?
The NPPES record lists a practice address at 5914 Wolfpen Pleasant Hill RD Ste E, Milford, OH, 45150. Phone: (513) 831-7503. Providers update this record themselves, so call before visiting.
How can I verify Lynn A. Gronbach, DO's license?
NPPES lists Ohio license number 34.011228, 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 Lynn A. Gronbach, DO prescribe under Medicare Part D?
In 2024, Lynn A. Gronbach, DO had 2,897 Medicare Part D claims for 307 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.