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DR. DONALD LYNN SCHWENKER D.C
NPI 1437120870
Chiropractor in Maquoketa, IA

Active since February 01, 2006Accepts Medicare Assignment
619 S MAIN ST, MAQUOKETA, IA 52060(563) 652-2700(563) 652-2800 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 13, 2026, Sep 6, 2023, Nov 5, 2021 and 1 more (4 updates tracked since 2017).

About Dr. Donald Lynn Schwenker D.c NPPES

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

DR. DONALD LYNN SCHWENKER D.C (NPI 1437120870) is an individual chiropractor in Maquoketa, Iowa, licensed in Iowa (06652) and active in the NPI registry since February 2006. He is a graduate of Palmer College Chiropractic - West Sunnyvale (2003).

NPPES Registry Identity

NPI1437120870
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. DONALD LYNN SCHWENKERCredential: D.C
Location Address619 S MAIN STMaquoketa, IA 52060-3506
Mailing Address619 S Main StMaquoketa, IA 52060-3506 · (563) 652-2700 · Fax (563) 652-2800
Phone(563) 652-2700
Fax(563) 652-2800
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - West SunnyvaleGraduated 2003
Enumeration DateFebruary 1, 2006
Last NPPES UpdateJuly 13, 20264 updates tracked since enumeration
✔ NPI 1437120870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IA · 06652
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.
619 S MAIN ST, Maquoketa, IA 52060
Open in Google Maps ↗

Other Identifiers 5

Other36003IA · Blue Cross/blue Shield
Other79962IA · Awhn/john Deere
Medicaid0422477IA
Other71-0953075IA · Wellmark Select
Other242107IA · Midlands Choice

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Donald Lynn Schwenker D.c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183516867
PECOS Enrollment IDI20040407000982

Medicare Billing Reassignment

Medicare enrollment records show Donald Schwenker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Timber City Chiropractic Inc
1.1 mi
Chiropractor
619 S MAIN ST
Maquoketa, IA 52060
  • Reassigned Medicare billing, Iowa enrollment
NPI 1255523668 (563) 652-2700

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
455 services74 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIMBER CITY CHIROPRACTIC INC
Chiropractor
619 S MAIN ST
MAQUOKETA, IA 52060
Jackson County (563) 652-2700

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 Donald Schwenker's NPI number?

The NPI number for Donald Schwenker is 1437120870. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is Donald Schwenker located?

Donald Schwenker practices at 619 S Main St, Maquoketa, IA 52060. The listed phone number is (563) 652-2700.

What is Donald Schwenker's specialty?

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

Is Donald Schwenker enrolled in Medicare?

Yes. Donald Schwenker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Donald Schwenker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Schwenker reassigns Medicare benefits to Timber City Chiropractic Inc (Maquoketa, IA). The 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 Donald Schwenker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Donald Schwenker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 1 other insurer list Donald Schwenker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Donald Schwenker 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 3 months 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.