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JOHN M LEVENTHAL MD
NPI 1801879622
Pediatrics in New Haven, CT

Active since November 25, 2005PECOS Enrolled
789 HOWARD AVE, YNHH BASEMENT, NEW HAVEN, CT 06519(203) 688-2468(203) 688-7274 Get Directions Write a Review

NPPES record last updated: February 13, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About John M Leventhal Md NPPES

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

JOHN M LEVENTHAL MD (NPI 1801879622) is an individual pediatrics provider in New Haven, Connecticut, licensed in Connecticut (020734) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801879622
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameJOHN M LEVENTHALCredential: MD
Location Address789 HOWARD AVE, YNHH BASEMENTNew Haven, CT 06519-1304
Mailing AddressPo Box 9805, 300 George St, 6th FloorNew Haven, CT 06536-0805
Phone(203) 688-2468
Fax(203) 688-7274
Sole ProprietorNo
Enumeration DateNovember 25, 2005
Last NPPES UpdateFebruary 13, 2009
✔ NPI 1801879622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 020734
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.
789 HOWARD AVE, New Haven, CT 06519
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Other Identifiers 3

Medicare UPINE31734
Medicaid001207349CT
Medicare ID-Type Unspecified370000348CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John M Leventhal Md 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 John Leventhal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
0.3 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432

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 06519 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.

CYRUS R KAPADIA MD
Internal Medicine (Gastroenterology)
789 HOWARD AVE, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4138
PEDRO JOSE GONZALEZ JIMENEZ
Pediatrics (Pediatric Emergency Medicine)
789 HOWARD AVE, YNHH PEDIATRICS
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-5555
DR. AMIT N VORA MD
Internal Medicine (Interventional Cardiology)
789 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-7960
DEVIKA KIR MD
Internal Medicine (Interventional Cardiology)
789 HOWARD AVE, YNHH,
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-5555
LOUISE MARIE DEMBRY MD
Internal Medicine (Infectious Disease)
789 HOWARD AVE, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4629
PRIYANKA DEB M.D.
Radiology (Diagnostic Radiology)
789 HOWARD AVE, TOMPKINS EAST BUILDING ROOM 2-230
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2385
MRS. KATHLEEN O'CONNOR FRAME ANP-C, WHNP-BC, APRN
Nurse Practitioner (Adult Health)
789 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 688-5555
VIDHI PATEL
Pharmacist
789 HOWARD AVE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (888) 461-0106

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 John Leventhal's NPI number?

The NPI number for John Leventhal is 1801879622. It was assigned to this individual provider in the NPPES registry on November 25, 2005.

Where is John Leventhal located?

John Leventhal practices at 789 Howard Ave Ynhh Basement, New Haven, CT 06519. The listed phone number is (203) 688-2468.

What is John Leventhal's specialty?

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

Is John Leventhal enrolled in Medicare?

Yes. John Leventhal is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Leventhal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Leventhal reassigns Medicare benefits to Yale University (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 John Leventhal'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 John Leventhal was last updated on February 13, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.