NPPES file of Aug 9, 2026

Nicholas F. Kaufman, M.D.

Internal Medicine Physician · Sioux Falls, SD

Nicholas F. Kaufman, M.D. is an internal medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1629497615, issued on Apr 7, 2014. Check the license (South Dakota 12645, 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
1629497615
Name
Nicholas F. Kaufman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
12645 SD
0101259040 VA
Self-reported in NPPES; status is on the state search
Practice location
6100 S Louise Ave Ste 1120, Sioux Falls, SD 57108
Phone
(605) 504-1700
Enumerated
Apr 7, 2014
Record last updated
Aug 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(605) 504-1701
Medicare enrollment
Enrolled (PECOS I20210818002732); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 2014
Telehealth
Offers telehealth (CMS)
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 internal medicine physician records → All 247 in South Dakota → Look up another NPI →

Also registered at 6100 S Louise Ave Ste 1120

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

  1. Scott Beckstrand, MDInternal Medicine Physician1932173622
  2. Alissa Brummond, MDInternal Medicine Physician1336434737
  3. Neil Brummond, MDInternal Medicine Physician1295020618
  4. Aaron Burkhardt, DOInternal Medicine Physician1013322205
  5. Leonard Gutnik, M.D.Internal Medicine Physician1841265543
  6. Julie Jefferis-Woodis, CNPFamily Nurse Practitioner1083108245

Verify Nicholas F. Kaufman 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 12645    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.

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58% more Medicare Part D claims than the average internal medicine physician in 2024

5,012 Medicare Part D claims for 356 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 268 claims were for opioids.

  1. Nicholas Kaufman5,012
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium251 claims
  2. Levothyroxine Sodium192 claims
  3. Amlodipine Besylate154 claims
  4. Losartan Potassium148 claims
  5. Gabapentin131 claims
  6. Lisinopril127 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.

Bills Medicare through one group practice

  1. Avera MckennanSioux Falls, SD

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

Nicholas F. Kaufman among 247 internal medicine physician records in South Dakota

Nicholas F. Kaufman, M.D. 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 2014, is newer than 69% of them.

  • NPI issued2014 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2014 · median 2008 among the 146 with a school on file
  • Record last updated2021 · 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).

110 internal medicine physician records list a practice address in Sioux Falls

They are 110 of the 6,563 NPPES records with a practice address in Sioux Falls, and 247 internal medicine physician records in South Dakota.

All 247 in South Dakota → Every provider in Sioux Falls → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Scott Beckstrand, MDSioux Falls, SD 571081932173622
  2. Neil Brummond, MDSioux Falls, SD 571081295020618
  3. Alissa Brummond, MDSioux Falls, SD 571081336434737
  4. Aaron Burkhardt, DOSioux Falls, SD 571081013322205
  5. Leonard Gutnik, M.D.Sioux Falls, SD 571081841265543
  6. Lorraine Huet-Holm, MDSioux Falls, SD 571081609886308
  7. Jean Lageson, MDSioux Falls, SD 571081134172463
  8. Janell Powell, MDSioux Falls, SD 571081750309357

Common questions

What is Nicholas F. Kaufman, M.D.'s NPI number?

Nicholas F. Kaufman, M.D.'s National Provider Identifier (NPI) is 1629497615, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas F. Kaufman, M.D. located?

The NPPES record lists a practice address at 6100 S Louise Ave Ste 1120, Sioux Falls, SD, 57108. Phone: (605) 504-1700. Providers update this record themselves, so call before visiting.

How can I verify Nicholas F. Kaufman, M.D.'s license?

NPPES lists South Dakota license number 12645, 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 Nicholas F. Kaufman, M.D. prescribe under Medicare Part D?

In 2024, Nicholas F. Kaufman, M.D. had 5,012 Medicare Part D claims for 356 beneficiaries; 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.

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.