Lynn Gronbach, DO
NPI 1033418454 · Family Medicine Physician · Milford, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynn Gronbach, DO is a Family Medicine Physician provider in Milford, OH (NPI 1033418454).
Provider details
- NPI number
- 1033418454
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 34.011228 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 162 | 82 |
| Atorvastatin Calcium | 159 | 73 |
| Gabapentin | 148 | 49 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 103 | 48 |
| Losartan Potassium | 91 | 45 |
| Metformin Hclbrand: Metformin Hcl Er | 76 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-24
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Lynn Gronbach's NPI number?
- Lynn Gronbach's National Provider Identifier (NPI) is 1033418454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Gronbach's specialty?
- Lynn Gronbach is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lynn Gronbach located?
- Lynn Gronbach's practice location on file with NPPES is 5914 Wolfpen Pleasant Hill Rd Ste E, Milford, OH 45150-3078.
- What is Lynn Gronbach's phone number?
- The practice phone number listed in the NPPES registry for Lynn Gronbach is (513) 831-7503.
- Does Lynn Gronbach accept Medicare?
- Lynn Gronbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynn Gronbach's NPI active?
- Yes — Lynn Gronbach's NPI (1033418454) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.