NPPES file of Aug 9, 2026

Nathaniel Vaughn Alvis, D.O.

Family Medicine Physician · Dunlap, IA

Nathaniel Vaughn Alvis, D.O. is a family medicine physician with a practice address in Dunlap, Iowa, and NPI 1861634008, issued on Apr 2, 2009. Check the license (Iowa 4148, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861634008
Name
Nathaniel Vaughn Alvis
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
4148 IA
756 NE
Self-reported in NPPES; status is on the state search
Practice location
707 Iowa Ave, Dunlap, IA 51529
Phone
(712) 643-2298
Enumerated
Apr 2, 2009
Record last updated
Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110321000049); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Nathaniel Vaughn Alvis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 4148
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

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5.0 times the Medicare Part D claims of the average family medicine physician in 2024

17,832 Medicare Part D claims for 571 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 327 claims were for opioids.

  1. Nathaniel Alvis17,832
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate683 claims
  2. Levothyroxine Sodium592 claims
  3. Gabapentin567 claims
  4. Pravastatin Sodium558 claims
  5. Atorvastatin Calcium457 claims
  6. Omeprazole437 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 94.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%94.4
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $906.30

54 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathaniel Alvis$906.30
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Alegent Health Community Memorial Hospital OF Missouri Valley IowaMissouri Valley, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nathaniel Vaughn Alvis among 2,336 family medicine physician records in Iowa

Nathaniel Vaughn Alvis, D.O. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2006 among the 1,367 with a school on file
  • Record last updated2020 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Iowa

There are 2,336 family medicine physician records in Iowa.

The 8 family medicine physician records with the nearest ZIP codes

  1. Julie Nielsen, ARNPElk Horn, IA 515311144883422
  2. Robert Fryzek, M.D.Glenwood, IA 515341912902404
  3. John Heffron, M.D.Glenwood, IA 515341609828797
  4. Robert Kent, M.D.Glenwood, IA 515341043434525
  5. Michael Schmiesing, M.D.Glenwood, IA 515341609870948
  6. Dominic Shiu, M.D.Glenwood, IA 515341003962994
  7. Ronald Silvius, D.O.Glenwood, IA 515341396847554
  8. Charley Wilson, APRNGlenwood, IA 515341649104969

Common questions

What is Nathaniel Vaughn Alvis, D.O.'s NPI number?

Nathaniel Vaughn Alvis, D.O.'s National Provider Identifier (NPI) is 1861634008, issued on Apr 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel Vaughn Alvis, D.O. located?

The NPPES record lists a practice address at 707 Iowa Ave, Dunlap, IA, 51529. Phone: (712) 643-2298. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel Vaughn Alvis, D.O.'s license?

NPPES lists Iowa license number 4148, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathaniel Vaughn Alvis, D.O. prescribe under Medicare Part D?

In 2024, Nathaniel Vaughn Alvis, D.O. had 17,832 Medicare Part D claims for 571 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Nathaniel Vaughn Alvis, D.O.'s MIPS final score?

The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.