Nathaniel Alvis, D.O.
NPI 1861634008 · Family Medicine Physician · Dunlap, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Alvis, D.O. is a Family Medicine Physician provider in Dunlap, IA (NPI 1861634008).
Provider details
- NPI number
- 1861634008
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 756 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 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 · 194 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 683 | 126 |
| Levothyroxine Sodium | 592 | 102 |
| Gabapentin | 567 | 118 |
| Pravastatin Sodium | 558 | 119 |
| Atorvastatin Calcium | 457 | 87 |
| Omeprazole | 437 | 86 |
| Spironolactone | 383 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$906 across 54 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
- 2009-04-02
- Last updated
- 2020-10-08
- Certified
- 2020-10-08
Frequently asked questions
- What is Nathaniel Alvis's NPI number?
- Nathaniel Alvis's National Provider Identifier (NPI) is 1861634008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Alvis's specialty?
- Nathaniel Alvis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Alvis located?
- Nathaniel Alvis's practice location on file with NPPES is 707 Iowa Ave, Dunlap, IA 51529-1335.
- What is Nathaniel Alvis's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Alvis is (712) 643-2298.
- Does Nathaniel Alvis accept Medicare?
- Nathaniel Alvis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Alvis's NPI active?
- Yes — Nathaniel Alvis's NPI (1861634008) is active in the NPPES registry as of the last update on 2020-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.