NPPES file of Aug 9, 2026

Samuel W. Spears, M.D.

Internal Medicine Physician · Richfield, MN

Samuel W. Spears, M.D. is an internal medicine physician with a practice address in Richfield, Minnesota, and NPI 1689670150, issued on Jun 21, 2005. Check the license (Minnesota 43575, 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
1689670150
Name
Samuel W. Spears
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
43575 MN
Self-reported in NPPES; status is on the state search
Practice location
407 W 66TH St, Richfield, MN 55423
Phone
(612) 798-8800
Enumerated
Jun 21, 2005
Record last updated
Nov 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
255408900 MN
Medicare enrollment
Enrolled (PECOS I20060328000510); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1998
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 2,632 in Minnesota → Look up another NPI →

Also registered at 407 W 66TH St

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

  1. Cynthia Aigner, MA, LP LIC SW LPCPsychologist1558322263
  2. Kathryn Arsen, MS, RD, LDRegistered Dietitian1376412437
  3. Jack Beaird, MDGeriatric Medicine (Internal Medicine) Physician1407810286
  4. Amy Brendel, M.DInternal Medicine Physician1073703567
  5. Riley Capizzi, PHDPsychologist1699696948
  6. Rebecca Dahlberg, M.D.Internal Medicine Physician1407814635

Verify Samuel W. Spears 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 43575    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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3.1 times the Medicare Part D claims of the average internal medicine physician in 2024

9,966 Medicare Part D claims for 840 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 292 claims were for opioids.

  1. Samuel Spears9,966
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium821 claims
  2. Rosuvastatin Calcium348 claims
  3. Losartan Potassium323 claims
  4. Amlodipine Besylate322 claims
  5. Omeprazole322 claims
  6. Simvastatin308 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. Allina Health SystemAnnandale, MN

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

Samuel W. Spears among 2,632 internal medicine physician records in Minnesota

Samuel W. Spears, M.D. is one of 2,632 internal medicine physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1998 · median 2008 among the 1,700 with a school on file
  • Record last updated2020 · 57% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 internal medicine physician records list a practice address in Richfield

They are 10 of the 702 NPPES records with a practice address in Richfield, and 2,632 internal medicine physician records in Minnesota.

All 2,632 in Minnesota → Every provider in Richfield → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Amy Brendel, M.DRichfield, MN 554231073703567
  2. Rebecca Dahlberg, M.D.Richfield, MN 554231407814635
  3. Lauren Haveman, M.D.Richfield, MN 554231851618169
  4. Rita Hurd, MDRichfield, MN 554231528555455
  5. Tina Martin, MDRichfield, MN 554231295798445
  6. Charles Meyer, M.D.Richfield, MN 554231639175102
  7. George Morrison, MDRichfield, MN 554231629039805
  8. Amy Morrow, MDRichfield, MN 554231144283102

Common questions

What is Samuel W. Spears, M.D.'s NPI number?

Samuel W. Spears, M.D.'s National Provider Identifier (NPI) is 1689670150, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Samuel W. Spears, M.D. located?

The NPPES record lists a practice address at 407 W 66TH St, Richfield, MN, 55423. Phone: (612) 798-8800. Providers update this record themselves, so call before visiting.

How can I verify Samuel W. Spears, M.D.'s license?

NPPES lists Minnesota license number 43575, 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.

How much does Samuel W. Spears, M.D. prescribe under Medicare Part D?

In 2024, Samuel W. Spears, M.D. had 9,966 Medicare Part D claims for 840 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.