NPPES file of Aug 9, 2026

Denis Tcedilin, MD

Internal Medicine Physician · Aberdeen, SD

Denis Tcedilin, MD is an internal medicine physician with a practice address in Aberdeen, South Dakota, and NPI 1053045591, issued on Jul 11, 2022. Check the license (South Dakota 17511, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; 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
1053045591
Name
Denis Tcedilin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
17511 SD
Self-reported in NPPES; status is on the state search
Practice location
3015 3RD Ave SE, Aberdeen, SD 57401
Phone
(605) 226-5500
Enumerated
Jul 11, 2022
Record last updated
Sep 18, 2025
Medicare enrollment
Enrolled (PECOS I20251003001446); 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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Also registered at 3015 3RD Ave SE

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

  1. Shanna Anderson, CNPNurse Practitioner1669769998
  2. Breanne Anderson-Mueller, M.D.Obstetrics & Gynecology Physician1376771881
  3. Bisma Arbab, MDPediatrics Physician1134611866
  4. Spencer Arment, CNPFamily Nurse Practitioner1295477495
  5. Kevin Aston, DOEmergency Medicine Physician1457319121
  6. Shawn Bartel, MDPediatrics Physician1912077249

Verify Denis Tcedilin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 17511
    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 South Dakota license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

34 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Denis Tcedilin34
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Sanford Health NetworkAberdeen, SD

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

Denis Tcedilin among 247 internal medicine physician records in South Dakota

Denis Tcedilin, MD is one of 247 internal 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 2022, is newer than 93% of them.

  • NPI issued2022 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2016 · median 2008 among the 146 with a school on file
  • Record last updated2025 · 60% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 internal medicine physician records list a practice address in Aberdeen

They are 12 of the 758 NPPES records with a practice address in Aberdeen, and 247 internal medicine physician records in South Dakota.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marc Armstrong, M.D.Aberdeen, SD 574011326453556
  2. Beenish Fayyaz, MDAberdeen, SD 574011649620675
  3. John Fritz, M.D.Aberdeen, SD 574011205870136
  4. Joan Harriott, MDAberdeen, SD 574011285927095
  5. Blake Heinz, D.O.Aberdeen, SD 574011871869172
  6. Nida MahamAberdeen, SD 574011689022584
  7. Arlin Myrmoe, M.D.Aberdeen, SD 574011184893349
  8. Ronald Rovang, M.D.Aberdeen, SD 574011295794378

Common questions

What is Denis Tcedilin, MD's NPI number?

Denis Tcedilin, MD's National Provider Identifier (NPI) is 1053045591, issued on Jul 11, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Denis Tcedilin, MD located?

The NPPES record lists a practice address at 3015 3RD Ave SE, Aberdeen, SD, 57401. Phone: (605) 226-5500. Providers update this record themselves, so call before visiting.

How can I verify Denis Tcedilin, MD's license?

NPPES lists South Dakota license number 17511, 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 Denis Tcedilin, MD prescribe under Medicare Part D?

In 2024, Denis Tcedilin, MD had 34 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.