Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN WITKOWSKI DC
NPI 1699760082
Chiropractor in Portland, ME

Q: What is John Witkowski's NPI number?

The NPI number for John Witkowski is 1699760082. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Q: What is John Witkowski's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for John Witkowski was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 13, 2005

1020 FOREST AVE, PORTLAND, ME 04103(207) 797-4815(207) 797-4813 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About John Witkowski Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN WITKOWSKI DC (NPI 1699760082) is an individual chiropractor in Portland, Maine, licensed in Maine (525) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1699760082

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameJOHN WITKOWSKICredential: DC

Location Address1020 FOREST AVEPortland, ME 04103-3333

Mailing Address1020 Forest AvePortland, ME 04103-3333 · (207) 797-4815 · Fax (207) 797-4813

Phone(207) 797-4815

Fax(207) 797-4813

Sole ProprietorNo

Enumeration DateSeptember 13, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1699760082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in ME · 525

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

1020 FOREST AVE, Portland, ME 04103

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Other Identifiers 2

Medicaid1169300000ME

Other000703Anthem Bcbs

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Witkowski's NPI number?

The NPI number for John Witkowski is 1699760082. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is John Witkowski located?

John Witkowski practices at 1020 Forest Ave, Portland, ME 04103. The listed phone number is (207) 797-4815.

What is John Witkowski's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for John Witkowski was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.