Andrew Gerken, MD
NPI 1134185051 · Family Medicine Physician · Bucyrus, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Gerken, MD is a Family Medicine Physician provider in Bucyrus, OH (NPI 1134185051).
Provider details
- NPI number
- 1134185051
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301502408 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
586 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 .
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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 206 | $118 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 193 | $169 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 115 | $8 |
| Critical Care, First 30-74 Minutes99291 | 58 | $206 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 14 | $69 |
Typical Medicare-allowed amounts for these services range $8–$206 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 46 | 44 |
| Ondansetronbrand: Ondansetron Odt | 36 | 36 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 35 | 34 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 30 |
| Azithromycin | 26 | 26 |
| Cephalexin | 19 | 19 |
| Oxycodone Hcl/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2020-06-10
- Certified
- 2020-06-10
Frequently asked questions
- What is Andrew Gerken's NPI number?
- Andrew Gerken's National Provider Identifier (NPI) is 1134185051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Gerken's specialty?
- Andrew Gerken is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Gerken located?
- Andrew Gerken's practice location on file with NPPES is 629 N Sandusky Ave, Bucyrus, OH 44820-1821.
- What is Andrew Gerken's phone number?
- The practice phone number listed in the NPPES registry for Andrew Gerken is (419) 562-4677.
- Does Andrew Gerken accept Medicare?
- Andrew Gerken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Gerken's NPI active?
- Yes — Andrew Gerken's NPI (1134185051) is active in the NPPES registry as of the last update on 2020-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.