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1ST AVENUE CHIROPRACTIC, P.C.
NPI 1366654543
Clinic/Center in Humboldt, IA

Active since May 03, 2007CLIA 16D1068078 · Waiver
611 1 ST AVE CHIROPRACTIC, HUMBOLDT, IA 50548(515) 332-5414(515) 332-5415 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About 1st Avenue Chiropractic, P.c. NPPES

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

1ST AVENUE CHIROPRACTIC, P.C. (NPI 1366654543) is a healthcare organization registered as a clinic/center in Humboldt, Iowa and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through May 1, 2027 and lists Michael E Crowley, Ceo, as its authorized official.

NPPES Registry Identity

NPI1366654543
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business Name1ST AVENUE CHIROPRACTIC, P.C.
Location Address611 1 ST AVE CHIROPRACTICHumboldt, IA 50548
Mailing Address611 1 St Ave ChiropracticHumboldt, IA 50548 · (515) 332-5414 · Fax (515) 332-5415
Phone(515) 332-5414
Fax(515) 332-5415
Organization SubpartNo
Authorized OfficialMichael E CrowleyCeo · (515) 332-5414
Enumeration DateMay 3, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1366654543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
License✔ Licensed in IA · A5718
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
611 1 ST AVE CHIROPRACTIC, Humboldt, IA 50548
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Other Identifiers 1

Medicaid0279810IA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

1st Avenue Chiropractic, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to 1st Avenue Chiropractic, P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Michael Crowley, D. C.
Chiropractic
NPI 1982645164
611 1ST AVE N
Humboldt, IA 50548
(515) 332-5414
✔ Accepts Medicare3.7 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 16D1068078

1st Avenue Chiropractic, PC · Humboldt, IA
Active · expires May 1, 2027
CLIA Number16D1068078
Laboratory TypePractitioner Other
Certificate Effective DateMay 2, 2025
Certificate Expiration DateMay 1, 2027
Laboratory DirectorMichael E. Crowley, Dc
Laboratory Phone(515) 332-5414
Laboratory Location1st Avenue Chiropractic, PC611 First Avenue N, PO Box 56, Humboldt, IA 50548
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 1st Avenue Chiropractic, P.C.'s NPI number?

The NPI number for 1st Avenue Chiropractic, P.C. is 1366654543. It was assigned to this organization in the NPPES registry on May 3, 2007.

Where is 1st Avenue Chiropractic, P.C. located?

1st Avenue Chiropractic, P.C. is located at 611 1 St Ave Chiropractic, Humboldt, IA 50548. The listed phone number is (515) 332-5414.

What is 1st Avenue Chiropractic, P.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is 1st Avenue Chiropractic, P.C. enrolled in Medicare?

Yes. 1st Avenue Chiropractic, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through 1st Avenue Chiropractic, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to 1st Avenue Chiropractic, P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does 1st Avenue Chiropractic, P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 16D1068078) is associated with this NPI, valid through May 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for 1st Avenue Chiropractic, P.C. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.