DR. CLIFF O'CALLAHAN M.D., PH.D.
NPI 1811977663
Pediatrics in Middletown, CT

Active since January 18, 2006PECOS Enrolled
90 S MAIN ST, MIDDLETOWN, CT 06457(860) 344-6300(860) 344-9249 Get Directions Write a Review

NPPES record last updated: December 1, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Cliff O'callahan M.d., Ph.d. NPPES

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

DR. CLIFF O'CALLAHAN M.D., PH.D. (NPI 1811977663) is an individual pediatrics provider in Middletown, Connecticut, licensed in Connecticut (040077) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811977663
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. CLIFF O'CALLAHANCredential: M.D., PH.D.
Location Address90 S MAIN STMiddletown, CT 06457-3649
Mailing Address90 S Main StMiddletown, CT 06457-3649 · (860) 344-6300 · Fax (860) 344-9249
Fax(860) 344-9249
Sole ProprietorNo
Enumeration DateJanuary 18, 2006
Last NPPES UpdateDecember 1, 2020
NPPES CertifiedDecember 1, 2020
NPI 1811977663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in CT · 040077
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 040077 (CT)
90 S MAIN ST, Middletown, CT 06457

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Cliff O'callahan M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06457 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Student in an Organized Health Care Education/Training Program
90 S MAIN ST
MIDDLETOWN, CT 06457
Family Medicine
90 S MAIN ST, FAMILY PRACTICE GROUP
MIDDLETOWN, CT 06457
Student in an Organized Health Care Education/Training Program
90 S MAIN ST
MIDDLETOWN, CT 06457
Student in an Organized Health Care Education/Training Program
90 S MAIN ST
MIDDLETOWN, CT 06457
Family Medicine
90 S MAIN ST
MIDDLETOWN, CT 06457
Nurse Practitioner (Family)
90 S MAIN ST
MIDDLETOWN, CT 06457
Obstetrics & Gynecology
90 S MAIN ST
MIDDLETOWN, CT 06457
Student in an Organized Health Care Education/Training Program
90 S MAIN ST
MIDDLETOWN, CT 06457

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 Cliff O'callahan's NPI number?

The NPI number for Cliff O'callahan is 1811977663. It was assigned to this individual provider in the NPPES registry on January 18, 2006.

Where is Cliff O'callahan located?

Cliff O'callahan practices at 90 S Main St, Middletown, CT 06457. The listed phone number is (860) 344-6300.

What is Cliff O'callahan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Cliff O'callahan enrolled in Medicare?

Yes. Cliff O'callahan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cliff O'callahan was last updated on December 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.