NPPES file of Aug 9, 2026

Michael S. Fenster, MD

Interventional Cardiology Physician · Watertown, SD

Michael S. Fenster, MD is an interventional cardiology physician with a practice address in Watertown, South Dakota, and NPI 1720068471, issued on Jan 19, 2006. Check the license (South Dakota 9353, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720068471
Name
Michael S. Fenster
Credential
MD
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License numbers
9353 SD
ME106924 FL
057762 GA
35-08-5517 OH
Self-reported in NPPES; status is on the state search
Practice location
401 9TH Ave NW, Watertown, SD 57201
Phone
(605) 882-7953
Enumerated
Jan 19, 2006
Record last updated
Jul 21, 2022
Fax
(605) 882-7954
Medicaid IDs
2530925 OH
505473295B GA
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.
Download card Updates feed

8 nearest interventional cardiology physician records → All 16 in South Dakota → Look up another NPI →

Also registered at 401 9TH Ave NW

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

  1. Ghaith Aboud, M.DInternal Medicine Physician1497117618
  2. Ferdinand Addo, MDHematology & Oncology Physician1760461388
  3. Christopher Adducci, MDUrology Physician1598709750
  4. Kayla Aman, RD, LNRegistered Dietitian1891007837
  5. Bipinkumar Amin, MDHematology & Oncology Physician1568415628
  6. Hamid Assadi, MDFamily Medicine Physician1841671872

Verify Michael S. Fenster 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 9353    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

Michael S. Fenster among 16 interventional cardiology physician records in South Dakota

Michael S. Fenster, MD is one of 16 interventional cardiology physician records with a practice address in South Dakota. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 25% of them.

  • NPI issued2006 · 25% of these records are older, 38% newer
  • In a Medicare fileNo · 94% of these records are
  • In the CMS Doctors and Clinicians fileNo · 88% of these records are
  • Record last updated2022 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in South Dakota

There are 16 interventional cardiology physician records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 16 in South Dakota → Every provider in Watertown → Interventional Cardiology Physician nationwide →

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Joseph Elliott, M.D.Watertown, SD 572011669850269
  2. Ravishankar Kalaga, M.D.Watertown, SD 572011174685515
  3. Salem Maaliki, MDWatertown, SD 572011013129865
  4. Raymond Allen, MDSioux Falls, SD 571081396733705
  5. Sean Halligan, MDSioux Falls, SD 571081174504658
  6. Tarek Mahrous, MDSioux Falls, SD 571081225046436
  7. Jeremy Scott, M.D.Sioux Falls, SD 571081629045828
  8. John Wagener, M.D.Sioux Falls, SD 571081972879161

Common questions

What is Michael S. Fenster, MD's NPI number?

Michael S. Fenster, MD's National Provider Identifier (NPI) is 1720068471, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael S. Fenster, MD located?

The NPPES record lists a practice address at 401 9TH Ave NW, Watertown, SD, 57201. Phone: (605) 882-7953. Providers update this record themselves, so call before visiting.

How can I verify Michael S. Fenster, MD's license?

NPPES lists South Dakota license number 9353, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.