Ryan Lauf, D.O.
NPI 1255793303 · Internal Medicine Physician · Napoleon, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Lauf, D.O. is a Internal Medicine Physician provider in Napoleon, OH (NPI 1255793303).
Provider details
- NPI number
- 1255793303
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 34.013662 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 527 | 172 |
| Amlodipine Besylate | 278 | 87 |
| Lisinopril | 260 | 86 |
| Levothyroxine Sodium | 250 | 73 |
| Tamsulosin Hcl | 244 | 77 |
| Omeprazole | 231 | 69 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$421 across 19 records (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
- 2016-03-27
- Last updated
- 2023-11-07
- Certified
- 2023-11-07
Frequently asked questions
- What is Ryan Lauf's NPI number?
- Ryan Lauf's National Provider Identifier (NPI) is 1255793303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Lauf's specialty?
- Ryan Lauf is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Lauf located?
- Ryan Lauf's practice location on file with NPPES is 1600 E Riverview Ave, Napoleon, OH 43545-9399.
- What is Ryan Lauf's phone number?
- The practice phone number listed in the NPPES registry for Ryan Lauf is (419) 592-4015.
- Does Ryan Lauf accept Medicare?
- Ryan Lauf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Lauf's NPI active?
- Yes — Ryan Lauf's NPI (1255793303) is active in the NPPES registry as of the last update on 2023-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.