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DR. JOANNA LEYENAAR MD
NPI 1083947659
Pediatrics in Lebanon, NH

Active since September 14, 2009PECOS Enrolled
1 MEDICAL CENTER DR, DARTMOUTH HITCHCOCK - PEDIATRIC HOSPITAL MEDICINE, LEBANON, NH 03756(603) 653-6063 Get Directions Write a Review

NPPES record last updated: November 1, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joanna Leyenaar Md NPPES

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

DR. JOANNA LEYENAAR MD (NPI 1083947659) is an individual pediatrics provider in Lebanon, New Hampshire, licensed in New Hampshire (17884) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083947659
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. JOANNA LEYENAARCredential: MD
Location Address1 MEDICAL CENTER DR, DARTMOUTH HITCHCOCK - PEDIATRIC HOSPITAL MEDICINELebanon, NH 03756-1000
Mailing Address1 Medical Center Dr, Dartmouth Hitchcock - Pediatric Hospital MedicineLebanon, NH 03756-1000 · (603) 653-6063
Phone(603) 653-6063
Sole ProprietorNo
Enumeration DateSeptember 14, 2009
Last NPPES UpdateNovember 1, 2016
✔ NPI 1083947659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in NH · 17884✔ Licensed in MA · 242288
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.
1 MEDICAL CENTER DR, Lebanon, NH 03756
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joanna Leyenaar 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 Reassignments

2

Medicare enrollment records show Joanna Leyenaar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dartmouth-Hitchcock Clinic
0.2 mi
Internal Medicine
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,999 clinicians in this Medicare group
NPI 1548210198 (603) 650-5000
Mary Hitchcock Memorial Hospital
0.2 mi
General Acute Care Hospital
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group
NPI 1023092053 (603) 650-5000

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 03756 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
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

MRS. JANICE M BRENNAN APRN
Nurse Practitioner (Family)
1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756
Grafton County (603) 560-5000
MS. SHELLEY GRACE BENSON R.PH.
Pharmacist (Oncology)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5417
ELIAS LOUKAS M.D.
Internal Medicine
1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756
Grafton County (603) 650-8380
SARAH S SEO MD
Otolaryngology
1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756
Grafton County (603) 650-8123
DR. SRINIVAS J. IVATURY MD
Colon & Rectal Surgery
1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756
Grafton County (603) 650-8113
TIMOTHY EARLEY D.O.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (201) 694-0663
HANNAH ELIZABETH FOOTE BENSIMHON M.D.
Internal Medicine (Cardiovascular Disease)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000
EMILE JOSEPH HASAN M.D.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000

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 Joanna Leyenaar's NPI number?

The NPI number for Joanna Leyenaar is 1083947659. It was assigned to this individual provider in the NPPES registry on September 14, 2009.

Where is Joanna Leyenaar located?

Joanna Leyenaar practices at 1 Medical Center Dr Dartmouth Hitchcock - Pediatric Hospital Medicine, Lebanon, NH 03756. The listed phone number is (603) 653-6063.

What is Joanna Leyenaar's specialty?

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

Is Joanna Leyenaar enrolled in Medicare?

Yes. Joanna Leyenaar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joanna Leyenaar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Leyenaar reassigns Medicare benefits to 2 organizations: Dartmouth-Hitchcock Clinic (Lebanon, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). Each 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 Joanna Leyenaar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joanna Leyenaar accept?

Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Joanna Leyenaar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Joanna Leyenaar was last updated on November 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.