DR. MARK JOHN DADDIO (D.P.M.) – Foot & Ankle Surgery Podiatrist, NPI 1295729424

Foot & Ankle Surgery Podiatrist

DR. MARK JOHN DADDIO (D.P.M.) is a healthcare provider. based in West haven, Connecticut. specializing in PODIATRY. They hold the professional credentials D.P.M.. They hold a License No. 000600 (CT). The NPI Number for DR. MARK JOHN DADDIO (D.P.M.) is 1295729424

Main info

Male

40 Years Of Experience

Accepts Medicare Assignment

Name

DR. MARK JOHN DADDIO (D.P.M.)

NPI

1295729424

Phone

(203) 933-8606

Address

385 MAIN ST

Enumeration Date

2 September 2005

Last Update Date

20 November 2009

Doctor Profile

Medical School Name

CALIFORNIA SCHOOL OF PODIATRIC MEDICINE

Secondary Phone

8605507500

Graduation Year

1986 (40 years ago)

PAC ID

0143326116

Group Practice PAC ID

3870401078

Professional Enrollment ID

I20070508000490

Address ID

CT061061541HA21XXXSTXX300

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

266 PODIATRY in CT

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Provider Addresses for DR. MARK JOHN DADDIO (D.P.M.)

385, Main Street, West Haven, New Haven County, Connecticut, 06516, United States
WEST HAVEN, CT 065164312
Phone: (203) 933-8606
Fax: (203) 932-9571
Mailing address matches the actual address.

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: 2007-05-08

PECOS data refreshed: 2026-06-15

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

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

Medicare enrolled
On CMS revalidation list
Due date assigned
Revalidate in PECOS

CMS enrollment records

Enrollment ID	Type	Specialty	State	Due date
I20070508000490	I	Podiatry	CT	TBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06516)

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Provider's Procedures

DR. MARK JOHN DADDIO (D.P.M.) performs procedures in PODIATRY. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
PODIATRY	CT	11042	Removal of skin and tissue first 20 sq cm or less	97	21
PODIATRY	CT	11720	Removal of tissue from 1 to 5 finger or toe nails	39	24
PODIATRY	CT	73630	X-ray of foot, minimum of 3 views	58	45

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 3870401078View full group profile

Name	Specialty	State
DANIELLE O'BRIEN (APRN)	Nurse Practitioner	CT
DR. OMPRAKASH BHASKARA PILLAI (M.D.)	Internal Medicine	CT
DR. JONATHAN OSVALDO GONZALEZ RIVERA (DC)	C H I R O P R A C T I C	CT
DANTE GOODWIN (AGNP)	Nurse Practitioner	CT
DR. KARLOS BOGHOSIAN (D.C)	C H I R O P R A C T I C	CT
DR. STEPHENIE C. THURBER (D. O.)	-	CT
SAMANTHA ANN WINDOLOSKI (PA-C)	Physician Assistant	CT
DR. AMINA ASRAR AHMED (M.D.)	O B S T E T R I C S/ G Y N E C O L O G Y	MN
ALYSSA PILKINGTON (PA-C)	Physician Assistant	CT
LUIS DIEZ-MORALES (MD)	Internal Medicine	CT

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Frequently asked questions

Where can patients find DR. MARK JOHN DADDIO (D.P.M.)'s NPI?

You can confirm DR. MARK JOHN DADDIO (D.P.M.) with NPI 1295729424; it appears in the national provider directory.

Is DR. MARK JOHN DADDIO (D.P.M.)'s enrollment marked active?

An active flag here means the NPI record is not in a deactivated state.

What field does DR. MARK JOHN DADDIO (D.P.M.) work in?

You can think of DR. MARK JOHN DADDIO (D.P.M.) as practicing within Foot & Ankle Surgery Podiatrist. Clinical services aligned with this taxonomy classification.

Does DR. MARK JOHN DADDIO (D.P.M.) practice in Connecticut?

You will see West Haven, Connecticut on file for DR. MARK JOHN DADDIO (D.P.M.) alongside any extra practice locations.

Is this NPI for an individual or an organization?

This listing corresponds to an Individual Provider.