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MARK A. ROSENTHAL M.D.
NPI 1144319690
Pediatrics in Gales Ferry, CT

Active since October 12, 2006PECOS Enrolled
1527 ROUTE 12, BOX 608, GALES FERRY, CT 06335(860) 464-7248(860) 464-0125 Get Directions Write a Review

NPPES record last updated: January 22, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark A. Rosenthal M.d. NPPES

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

MARK A. ROSENTHAL M.D. (NPI 1144319690) is an individual pediatrics provider in Gales Ferry, Connecticut, licensed in Connecticut (037353) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144319690
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameMARK A. ROSENTHALCredential: M.D.
Location Address1527 ROUTE 12, BOX 608Gales Ferry, CT 06335-1800
Mailing Address1527 Route 12, Po Box 608Gales Ferry, CT 06335-1800 · (860) 464-7248 · Fax (860) 464-0125
Phone(860) 464-7248
Fax(860) 464-0125
Sole ProprietorNo
Enumeration DateOctober 12, 2006
Last NPPES UpdateJanuary 22, 2013
✔ NPI 1144319690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 037353
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.
1527 ROUTE 12, Gales Ferry, CT 06335
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Other Identifiers 7

Other1204724United Health Care
Other761223Connecticare
Other010037353CT0Blue Cross
OtherOV5871Health Net
Medicare UPIN01027R
Other01037353Cigna
Medicaid001373539CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark A. Rosenthal M.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.

Medicare Billing Reassignment

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

Mill Hill Medical Consultants Inc
45 mi
Hospitalist
20 YORK ST, CB 2041
New Haven, CT 06510
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group
NPI 1952624769 (203) 688-4741

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06335 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.

DR. STEVEN JOSEPH DIAS DDS
Dentist (Pediatric Dentistry)
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7204
RANDALL D. HARRIS D.D.S.
Dentist (General Practice)
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7204
SARAH HAFEEZ ILAHI D.O.
Pediatrics
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7724
GALES FERRY MEDICAL GROUP LLC
Internal Medicine
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7274
DR. JOHN JOSEPH HENNESSEY M.D.
Internal Medicine
1527 ROUTE 12, SUITE 1
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7253
DAVID M. RINZLER M.D.
Pediatrics
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7248
GALES FERRY PEDIATRIC GROUP
Clinic/Center (Medical Specialty)
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 464-7248
LORI SORIANO RDH, CLC
Lactation Consultant, Non-RN
1527 ROUTE 12
GALES FERRY, CT 06335
Southeastern Connecticut Planning Region (860) 816-1018

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 Mark Rosenthal's NPI number?

The NPI number for Mark Rosenthal is 1144319690. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is Mark Rosenthal located?

Mark Rosenthal practices at 1527 Route 12 Box 608, Gales Ferry, CT 06335. The listed phone number is (860) 464-7248.

What is Mark Rosenthal's specialty?

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

Is Mark Rosenthal enrolled in Medicare?

Yes. Mark Rosenthal is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Rosenthal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Rosenthal reassigns Medicare benefits to Mill Hill Medical Consultants Inc (New Haven, 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 Mark Rosenthal'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 Mark Rosenthal was last updated on January 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.