Registry data as of Aug 27, 2026

Andrew Ashby, MD

Internal Medicine Physician · Washington, IA

Andrew Ashby, MD is an internal medicine physician with a practice address in Washington, Iowa, and NPI 1518028505, issued on Dec 13, 2006. Check the license (Iowa 36736, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1518028505
Name
Andrew Ashby
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
36736 IA
Self-reported in NPPES; status is on the state search
Practice location
400 E Polk St, Washington, IA 52353
Phone
(319) 863-3900
Enumerated
Dec 13, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 400 E Polk St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ernest Ajax, MDSpecialist1740256502
  2. Nicole Alsaker, ARNPAcute Care Nurse Practitioner1992479679
  3. Amanda Brocksieck, ARNPAcute Care Nurse Practitioner1871993105
  4. Lauren Burchette, CNP ARNPFamily Nurse Practitioner1972254407
  5. Grace Chabal, MDObstetrics & Gynecology Physician1164098125
  6. Courtney Cochran, DNP, ARNP, FNP-CFamily Nurse Practitioner1043094584

Verify Andrew Ashby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 36736
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

78% more Medicare Part D claims than the average internal medicine physician in 2024

4,963 Medicare Part D claims for 523 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Andrew Ashby4,963
  2. Specialty average2,785

Most prescribed

  1. Trelegy Ellipta828 claims
  2. Montelukast Sodium529 claims
  3. Azithromycin324 claims
  4. Fluticasone-Salmeterol270 claims
  5. Anoro Ellipta242 claims
  6. Albuterol Sulfate Hfa232 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.

Industry payments in 2024: $21.72

1 payment, mostly education; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrew Ashby$21.72
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Washington County HospitalWashington, IA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 internal medicine physician records list a Washington practice address

They are 2 of the 131 NPPES records with a Washington practice address, and 1,338 internal medicine physician records in Iowa.

Other internal medicine physician records in Iowa

  1. Baha Abbad, MDWaterloo, IA1366050064
  2. Shazia Abbas, MDOttumwa, IA1205086998
  3. Abdullah Abbasi, MDIowa City, IA1932944204
  4. Duane Abbott, MDDes Moines, IA1417362666
  5. Francois Abboud, MDIowa City, IA1598753113
  6. Mohamed Abd El MaksoudMason City, IA1033792825
  7. Ala Abdallah, MDIowa City, IA1588395701
  8. Ahmed Abdelhamid, MDIowa City, IA1306403795
  9. Ola AbdelkarimIowa City, IA1780378588
  10. Mohammed Abdila, MDDavenport, IA1982338752

Common questions

What is Andrew Ashby, MD's NPI number?

Andrew Ashby, MD's National Provider Identifier (NPI) is 1518028505, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Ashby, MD located?

The NPPES record lists a practice address at 400 E Polk St, Washington, IA, 52353. Phone: (319) 863-3900. Providers update this record themselves, so call before visiting.

How can I verify Andrew Ashby, MD's license?

NPPES lists Iowa license number 36736, 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 Andrew Ashby, MD prescribe under Medicare Part D?

In 2024, Andrew Ashby, MD had 4,963 Medicare Part D claims for 523 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.