Amber Gerken, CNP
NPI 1629647425 · Family Nurse Practitioner · Tiffin, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amber Gerken, CNP is a Family Nurse Practitioner provider in Tiffin, OH (NPI 1629647425).
Provider details
- NPI number
- 1629647425
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- APRN.CNP.0029129 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 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
405 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 102 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $103 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 76 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 49 | $35 |
| Urinalysis, Manual Test81002 | 33 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 81 | 77 |
| Prednisone | 50 | 47 |
| Azithromycin | 46 | 44 |
| Methylprednisolone | 46 | 41 |
| Doxycycline Monohydrate | 27 | 27 |
| Cephalexin | 26 | 25 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 17 |
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
- 2021-06-24
- Last updated
- 2025-07-24
- Certified
- 2025-07-24
Frequently asked questions
- What is Amber Gerken's NPI number?
- Amber Gerken's National Provider Identifier (NPI) is 1629647425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amber Gerken's specialty?
- Amber Gerken is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amber Gerken located?
- Amber Gerken's practice location on file with NPPES is 2562 W Market St, Tiffin, OH 44883-9005.
- What is Amber Gerken's phone number?
- The practice phone number listed in the NPPES registry for Amber Gerken is (567) 938-8008.
- Does Amber Gerken accept Medicare?
- Amber Gerken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amber Gerken's NPI active?
- Yes — Amber Gerken's NPI (1629647425) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.