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DAVID C AVALLON
NPI 1033633722
Chiropractor in Stamford, CT

Active since August 03, 2017Accepts Medicare Assignment
1 ATLANTIC ST STE 201, STAMFORD, CT 06901(203) 355-2225(203) 355-2235 Get Directions Write a Review

NPPES record last updated: August 24, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 24, 2022, Jul 21, 2022, Aug 3, 2017 (3 updates tracked since 2017).

About David C Avallon NPPES

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

DAVID C AVALLON (NPI 1033633722) is an individual chiropractor in Stamford, Connecticut, licensed in Connecticut (2079) and active in the NPI registry since August 2017. He is a graduate of Other (2017).

NPPES Registry Identity

NPI1033633722
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDAVID C AVALLON
Location Address1 ATLANTIC ST STE 201Stamford, CT 06901-2438
Mailing Address1220 Post Road, Suite 1Fairfield, CT 06824 · (203) 955-1147 · Fax (203) 955-1148
Phone(203) 355-2225
Fax(203) 355-2235
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateAugust 3, 2017
Last NPPES UpdateAugust 24, 20223 updates tracked since enumeration
NPPES CertifiedAugust 24, 2022
✔ NPI 1033633722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CT · 2079
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.
1 ATLANTIC ST STE 201, Stamford, CT 06901
Open in Google Maps ↗

Other Identifiers 1

Other2079CT · Connecticut

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

David C Avallon 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 ID9133595408
PECOS Enrollment IDI20221012001995

Medicare Billing Reassignment

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

Avallon Chiropractic & Wellness, LLC
16 mi
Chiropractor
1220 POST RD STE 1
Fairfield, CT 06824
  • Reassigned Medicare billing, Connecticut enrollment
NPI 1811616725 (203) 955-1147

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, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
55 services11 patients

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 David Avallon's NPI number?

The NPI number for David Avallon is 1033633722. It was assigned to this individual provider in the NPPES registry on August 3, 2017.

Where is David Avallon located?

David Avallon practices at 1 Atlantic St Ste 201, Stamford, CT 06901. The listed phone number is (203) 355-2225.

What is David Avallon's specialty?

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

Is David Avallon enrolled in Medicare?

Yes. David Avallon 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 David Avallon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Avallon reassigns Medicare benefits to Avallon Chiropractic & Wellness, LLC (Fairfield, CT). 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 David Avallon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Avallon was last updated on August 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.