DR. FRANCIS JOSEPH DAY (D.C.) – Chiropractor, NPI 1558304030

DR. FRANCIS JOSEPH DAY (D.C.) is a healthcare provider. based in Waterbury, Connecticut. specializing in CHIROPRACTIC. They hold the professional credentials D.C.. They hold a License No. 1196 (CT). The NPI Number for DR. FRANCIS JOSEPH DAY (D.C.) is 1558304030

Main info

Male
Sole Proprietor
30 Years Of Experience
Accepts Medicare Assignment
Name
DR. FRANCIS JOSEPH DAY (D.C.)
NPI
1558304030
Phone
(203) 573-8577
Address
279 CHASE AVE
Enumeration Date
13 June 2006
Last Update Date
18 May 2021

Doctor Profile

Medical School Name
LOS ANGELES COLLEGE OF CHIROPRACTIC
Secondary Phone
2035738577
Graduation Year
1996 (30 years ago)
PAC ID
4789715699
Professional Enrollment ID
I20100621000817
Address ID
CT067953356WA595XXTPKE302
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

444 CHIROPRACTIC in CT

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Provider Addresses for DR. FRANCIS JOSEPH DAY (D.C.)

  • 279, Chase Avenue, Lakewood, Waterbury, New Haven County, Connecticut, 06704, United States

    WATERBURY, CT 067042236

    Phone: (203) 573-8577

    Fax: (203) 596-9058

    Type: Mailing

  • 255 ROBBINS ST STE 1

    WATERBURY, CT 067082763

    Phone: (203) 573-8577

    Fax: (203) 596-9058

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-06-21

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100621000817IChiropracticCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
98940Chiropractic manipulative treatment, 1-2 spinal regions55328$0
View full utilization report →

Insurance plans in this area (ZIP 06704)

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Reviews

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Frequently asked questions

What is the registry number for DR. FRANCIS JOSEPH DAY (D.C.)?
The registry entry for DR. FRANCIS JOSEPH DAY (D.C.) shows NPI 1558304030.
Is DR. FRANCIS JOSEPH DAY (D.C.)'s NPI status active today?
Active status means DR. FRANCIS JOSEPH DAY (D.C.)'s NPI record is not deactivated in the public file.
What does the directory say DR. FRANCIS JOSEPH DAY (D.C.) does?
Insurance directories may phrase it differently, but here DR. FRANCIS JOSEPH DAY (D.C.) maps to Chiropractor. Clinical services aligned with this taxonomy classification.
Is DR. FRANCIS JOSEPH DAY (D.C.) tied to Waterbury, Connecticut?
If you are local to Waterbury, Connecticut, DR. FRANCIS JOSEPH DAY (D.C.) may be relevant to your search.
Who maintains DR. FRANCIS JOSEPH DAY (D.C.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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