NPPES file of Aug 9, 2026

William Calvin Porter, M.D.

Otolaryngology Physician · Fergus Falls, MN

William Calvin Porter, M.D. is an otolaryngology physician with a practice address in Fergus Falls, Minnesota, and NPI 1801886445, issued on Oct 25, 2005. Check the license (Minnesota 32055, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1801886445
Name
William Calvin Porter
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
32055 MN
5644 ND
Self-reported in NPPES; status is on the state search
Practice location
712 S Cascade St, Fergus Falls, MN 56537
Phone
(218) 736-8000
Enumerated
Oct 25, 2005
Record last updated
Feb 16, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(218) 739-6718
Medicaid IDs
089790600 MN
16002 ND
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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8 nearest otolaryngology physician records → All 221 in Minnesota → Look up another NPI →

Also registered at 712 S Cascade St

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

  1. Stefanie Aday, PTPhysical Therapist1497785711
  2. Jill Baldwin, PA-CPhysician Assistant1720038029
  3. Margaret Barnes, M.D.Radiation Oncology Physician1699726349
  4. Lonnie Berger, M.D.Family Medicine Physician1063491751
  5. Jonah Bergstrand, PA-CFamily Medicine Physician1952181307
  6. Rebecca Boesl, DNPFamily Nurse Practitioner1043661044

Verify William Calvin Porter 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 32055    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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William Calvin Porter among 221 otolaryngology physician records in Minnesota

William Calvin Porter, M.D. is one of 221 otolaryngology physician records with a practice address in Minnesota. 77% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2017 · 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 207Y00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Minnesota

There are 221 otolaryngology physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 221 in Minnesota → Every provider in Fergus Falls → Otolaryngology Physician nationwide →

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Stephen Asp, MDFergus Falls, MN 565371841235140
  2. David Riley, M.D.Bemidji, MN 566011649245838
  3. Ethan Kraft, M.D.Baxter, MN 564251316471386
  4. Philip Manger, MDBaxter, MN 564251699709089
  5. Kurtis Waters, M.D.Baxter, MN 564251568440717
  6. David Abraham, MDThief River Falls, MN 567011306874920
  7. Stephen Cragle, MDSaint Cloud, MN 563031306806807
  8. Eileen Dauer, M.D.St Cloud, MN 563031134210875

Common questions

What is William Calvin Porter, M.D.'s NPI number?

William Calvin Porter, M.D.'s National Provider Identifier (NPI) is 1801886445, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Calvin Porter, M.D. located?

The NPPES record lists a practice address at 712 S Cascade St, Fergus Falls, MN, 56537. Phone: (218) 736-8000. Providers update this record themselves, so call before visiting.

How can I verify William Calvin Porter, M.D.'s license?

NPPES lists Minnesota license number 32055, 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. 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.