Shanon L. Custer, MD
Internal Medicine Physician · Hays, KS
Shanon L. Custer, MD is an internal medicine physician with a practice address in Hays, Kansas, and NPI 1902870637, issued on Feb 17, 2006. Check the license (Kansas 04-30345, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Shanon L. Custer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 04-30345 KS
Self-reported in NPPES; status is on the state search - Practice location
- 2214 Canterbury Dr, Hays, KS 67601
- Phone
- (785) 623-2312
- Enumerated
- Feb 17, 2006
- Record last updated
- Dec 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (785) 623-2323
- Medicaid ID
- 200335110A KS
- Medicare enrollment
- Enrolled (PECOS I20040910001092); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,010 in Kansas → Look up another NPI →
Also registered at 2214 Canterbury Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shanon L. Custer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 04-30345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average internal medicine physician in 2024
15,502 Medicare Part D claims for 559 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 603 claims were for opioids.
Most prescribed
- Levothyroxine Sodium691 claims
- Atorvastatin Calcium600 claims
- Pantoprazole Sodium591 claims
- Escitalopram Oxalate431 claims
- Potassium Chloride423 claims
- Gabapentin417 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $567.71
33 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Hays Medical Center IncHays, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shanon L. Custer among 1,010 internal medicine physician records in Kansas
Shanon L. Custer, MD is one of 1,010 internal medicine physician records with a practice address in Kansas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2002 · median 2008 among the 568 with a school on file
- Record last updated2009 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Kansas
There are 1,010 internal medicine physician records in Kansas.
All 1,010 in Kansas → Every provider in Hays → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patrick Atkinson, D.O.Hays, KS 676011740614205
- Randy Cook, D.O.Hays, KS 676011508832171
- Matthew Dothager, M.D.Hays, KS 676011790191831
- Jill Hanrahan, MDHays, KS 676011306811724
- Dallas Richards, M.D.Hays, KS 676011487645420
- Elizabeth Snyder, M.D.Hays, KS 676011306188339
- Thomas Bauer, M.D.Stafford, KS 675781669451084
- Thelma Villanueva, M.D.Norton, KS 676541215205141
Common questions
What is Shanon L. Custer, MD's NPI number?
Shanon L. Custer, MD's National Provider Identifier (NPI) is 1902870637, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shanon L. Custer, MD located?
The NPPES record lists a practice address at 2214 Canterbury Dr, Hays, KS, 67601. Phone: (785) 623-2312. Providers update this record themselves, so call before visiting.
How can I verify Shanon L. Custer, MD's license?
NPPES lists Kansas license number 04-30345, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shanon L. Custer, MD prescribe under Medicare Part D?
In 2024, Shanon L. Custer, MD had 15,502 Medicare Part D claims for 559 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Shanon L. Custer, MD's MIPS final score?
The 2023 MIPS final score is 81.8 of 100, reported for the practice group. 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.