NPPES file of Aug 9, 2026

Thomas D. Siefferman, MD

Pediatrics Physician · Saint Paul, MN

Thomas D. Siefferman, MD is a pediatrics physician with a practice address in Saint Paul, Minnesota, and NPI 1104806165, issued on Jan 18, 2006. Check the license (Minnesota 36052, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1104806165
Name
Thomas D. Siefferman
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
36052 MN
Self-reported in NPPES; status is on the state search
Practice location
1804 7TH St W, Saint Paul, MN 55116
Phone
(651) 227-7806
Enumerated
Jan 18, 2006
Record last updated
Dec 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(651) 256-6766
Medicaid ID
1104806165 MN
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.
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Also registered at 1804 7TH St W

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

  1. Richard Baron, M.D.Pediatrics Physician1083694046
  2. Cynthia Garr, MDPediatrics Physician1912987900
  3. Elizabeth Madden, CPNPPediatric Nurse Practitioner1386991339
  4. Duane Skar, MDPediatrics Physician1245210210

Verify Thomas D. Siefferman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 36052
    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 Minnesota 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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Industry payments in 2024: $58.11

3 payments; by number, the most common kind was food and beverage; the largest payer was Qol Medical, LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Siefferman$58.11
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Thomas D. Siefferman among 1,288 pediatrics physician records in Minnesota

Thomas D. Siefferman, MD is one of 1,288 pediatrics physician records with a practice address in Minnesota. 20% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 20% of these records are
  • In the CMS Doctors and Clinicians fileNo · 16% of these records are
  • Record last updated2016 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Minnesota

There are 1,288 pediatrics physician records in Minnesota.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Richard Baron, M.D.Saint Paul, MN 551161083694046
  2. Susan Fagre, MDSaint Paul, MN 551161548285778
  3. Cynthia Garr, MDSaint Paul, MN 551161912987900
  4. Duane Skar, MDSaint Paul, MN 551161245210210
  5. James Urick, MDSaint Paul, MN 551161184720237
  6. Lindy Thaker, MDSaint Paul, MN 551171174670038
  7. Jennifer Gobel, MDSaint Paul, MN 551181932183167
  8. Maureen Honish, MDWest Saint Paul, MN 551181598944134

Common questions

What is Thomas D. Siefferman, MD's NPI number?

Thomas D. Siefferman, MD's National Provider Identifier (NPI) is 1104806165, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas D. Siefferman, MD located?

The NPPES record lists a practice address at 1804 7TH St W, Saint Paul, MN, 55116. Phone: (651) 227-7806. Providers update this record themselves, so call before visiting.

How can I verify Thomas D. Siefferman, MD's license?

NPPES lists Minnesota license number 36052, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. 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. 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.