NPPES file of Aug 9, 2026

Jeffrey A. Zelasko, D.C.

Chiropractor · Portland, OR

Jeffrey A. Zelasko, D.C. is a chiropractor with a practice address in Portland, Oregon, and NPI 1144755729, issued on Apr 20, 2017. Check the license (Oregon 5812, as entered in NPPES) with the Oregon board that licenses this profession; 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
1144755729
Name
Jeffrey A. Zelasko
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
5812 OR
Self-reported in NPPES; status is on the state search
Practice location
3942 SE Hawthorne Blvd, Portland, OR 97214
Phone
(503) 235-5484
Enumerated
Apr 20, 2017
Record last updated
Apr 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(503) 235-3956
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.
Download card Updates feed

8 nearest chiropractor records → All 1,881 in Oregon → Look up another NPI →

Also registered at 3942 SE Hawthorne Blvd

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

  1. Kacy Borba Spann, N.D., LACNaturopath1649699455
  2. Bruce Chaser, D. C.Chiropractor1043244544
  3. Justin Dean, D.C.Chiropractor1104229004
  4. Allen Downs, L.AC.Acupuncturist1710019336
  5. Aimee Perkins, LMTContractor1023106515
  6. Cory Peterson, DCChiropractor1831636612

Verify Jeffrey A. Zelasko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 5812    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
Find the Oregon 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Jeffrey A. Zelasko among 1,881 chiropractor records in Oregon

Jeffrey A. Zelasko, D.C. is one of 1,881 chiropractor records with a practice address in Oregon. 18% 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 2017, is newer than 75% of them.

  • NPI issued2017 · 75% of these records are older, 22% newer
  • In a Medicare fileNo · 18% of these records are
  • In the CMS Doctors and Clinicians fileNo · 34% of these records are
  • Record last updated2017 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

582 chiropractor records list a practice address in Portland

They are 582 of the 42,088 NPPES records with a practice address in Portland, and 1,881 chiropractor records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,881 in Oregon → Every provider in Portland → Chiropractor nationwide →

The 8 chiropractor records with the nearest ZIP codes

  1. Simon Agger, DCPortland, OR 972141427014364
  2. Kelly Barrett, DCPortland, OR 972141245244599
  3. Judith Boothby, DCPortland, OR 972141942412283
  4. Jennifer Brocker, D.C.Portland, OR 972141699950717
  5. Jason Bussanich, D.C.Portland, OR 972141174787584
  6. Bruce Chaser, D. C.Portland, OR 972141043244544
  7. Richard Feinberg, D.C. MSPortland, OR 972141205990652
  8. Gerald Gerhart, DCPortland, OR 972141497933972

Common questions

What is Jeffrey A. Zelasko, D.C.'s NPI number?

Jeffrey A. Zelasko, D.C.'s National Provider Identifier (NPI) is 1144755729, issued on Apr 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey A. Zelasko, D.C. located?

The NPPES record lists a practice address at 3942 SE Hawthorne Blvd, Portland, OR, 97214. Phone: (503) 235-5484. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey A. Zelasko, D.C.'s license?

NPPES lists Oregon license number 5812, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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. 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.