Allen Andrew Wellman, MD
Family Medicine Physician · Custer, SD
Allen Andrew Wellman, MD is a family medicine physician with a practice address in Custer, South Dakota, and NPI 1972206043, issued on Mar 27, 2023. Check the license (South Dakota 18755, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Allen Andrew Wellman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 18755 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1220 Montgomery St, Custer, SD 57730
- Phone
- (605) 755-1000
- Enumerated
- Mar 27, 2023
- Record last updated
- Jul 29, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Also registered at 1220 Montgomery St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Louise Halbleib, D.O.Family Medicine Physician1780118448
- Katie Johnson, PTPhysical Therapist1952863748
- Alissa Joneson, DPTPhysical Therapist1851049035
- Pamela Peterson, RNHealth Educator1770244238
- Monaleze Saini, MDFamily Medicine Physician1053793307
- Jeffrey StephensFamily Medicine Physician1336601731
Verify Allen Andrew Wellman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 18755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
100 Medicare Part D claims for 36 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of 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.
Allen Andrew Wellman among 601 family medicine physician records in South Dakota
Allen Andrew Wellman, MD is one of 601 family medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2026 · 52% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Custer
They are 11 of the 56 NPPES records with a practice address in Custer, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Custer → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lisa Brown, MDCuster, SD 577301831161413
- Joy Falkenburg, MDCuster, SD 577301295789873
- Terry Graber, MDCuster, SD 577301063465995
- Louise Halbleib, D.O.Custer, SD 577301780118448
- Monaleze Saini, MDCuster, SD 577301053793307
- Jeffrey StephensCuster, SD 577301336601731
- Brandyn Tarap, MDCuster, SD 577301619316585
- Connor Weisser, DOCuster, SD 577301154904613
Common questions
What is Allen Andrew Wellman, MD's NPI number?
Allen Andrew Wellman, MD's National Provider Identifier (NPI) is 1972206043, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Allen Andrew Wellman, MD located?
The NPPES record lists a practice address at 1220 Montgomery St, Custer, SD, 57730. Phone: (605) 755-1000. Providers update this record themselves, so call before visiting.
How can I verify Allen Andrew Wellman, MD's license?
NPPES lists South Dakota license number 18755, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allen Andrew Wellman, MD prescribe under Medicare Part D?
In 2024, Allen Andrew Wellman, MD had 100 Medicare Part D claims for 36 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.
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.