NPPES file of Aug 9, 2026

Amber Lynn Reighard Tierney, M.D.

Gastroenterology Physician · West Des Moines, IA

Amber Lynn Reighard Tierney, M.D. is a gastroenterology physician with a practice address in West Des Moines, Iowa, and NPI 1902191059, issued on Jun 16, 2011. Check the license (Iowa MD-44157, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902191059
Name
Amber Lynn Reighard Tierney
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
MD-44157 IA
2011015916 MO
Self-reported in NPPES; status is on the state search
Practice location
5950 University Ave Ste 221, West Des Moines, IA 50266
Phone
(515) 875-9115
Enumerated
Jun 16, 2011
Record last updated
Jan 11, 2024
Fax
(515) 875-9117
Medicare enrollment
Enrolled (PECOS I20170707002013); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2011
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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8 nearest gastroenterology physician records → All 122 in Iowa → Look up another NPI →

Also registered at 5950 University Ave Ste 221

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

  1. Tyler Aasen, D.O.Gastroenterology Physician1740690205
  2. Amber Dvorak, ARNPNurse Practitioner1275073108
  3. Jonathan Fahler, DOGastroenterology Physician1780905729
  4. Kjersten Ferriss, FNP-CNurse Practitioner1679019178
  5. Christopher Gibbs, MDGastroenterology Physician1619021144
  6. Shawn Hancock, D.O.Gastroenterology Physician1467410720

Verify Amber Lynn Reighard Tierney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-44157    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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24% more Medicare Part D claims than the average gastroenterology physician in 2024

1,004 Medicare Part D claims for 486 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Amber Tierney1,004
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf189 claims
  2. Omeprazole110 claims
  3. Peg 3350-Electrolyte104 claims
  4. Pantoprazole Sodium92 claims
  5. Mesalamine45 claims
  6. Famotidine34 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: $264.25

7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amber Tierney$264.25
  2. Specialty average$5,015.95

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. The Iowa Clinic PCWest Des Moines, IA

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

Amber Lynn Reighard Tierney among 122 gastroenterology physician records in Iowa

Amber Lynn Reighard Tierney, M.D. is one of 122 gastroenterology physician records with a practice address in Iowa. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.

  • NPI issued2011 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2011 · median 2000 among the 84 with a school on file
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Iowa

There are 122 gastroenterology physician records in Iowa.

All 122 in Iowa → Every provider in West Des Moines → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Tyler Aasen, D.O.West Des Moines, IA 502661740690205
  2. Laura Dakovich, DOWest Des Moines, IA 502661992826432
  3. Jonathan Fahler, DOWest Des Moines, IA 502661780905729
  4. Christopher Gibbs, MDWest Des Moines, IA 502661619021144
  5. Jon Gibson, M.D.West Des Moines, IA 502661720072507
  6. Joel Hade, M.D.West Des Moines, IA 502661184618720
  7. Shawn Hancock, D.O.West Des Moines, IA 502661467410720
  8. Clayton Jordan, D.O.West Des Moines, IA 502661518306323

Common questions

What is Amber Lynn Reighard Tierney, M.D.'s NPI number?

Amber Lynn Reighard Tierney, M.D.'s National Provider Identifier (NPI) is 1902191059, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Amber Lynn Reighard Tierney, M.D. located?

The NPPES record lists a practice address at 5950 University Ave Ste 221, West Des Moines, IA, 50266. Phone: (515) 875-9115. Providers update this record themselves, so call before visiting.

How can I verify Amber Lynn Reighard Tierney, M.D.'s license?

NPPES lists Iowa license number MD-44157, 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 Amber Lynn Reighard Tierney, M.D. prescribe under Medicare Part D?

In 2024, Amber Lynn Reighard Tierney, M.D. had 1,004 Medicare Part D claims for 486 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.