LEONARD EISENFELD (MD) – Neonatal-Perinatal Medicine Physician, NPI 1649243379

LEONARD EISENFELD (MD) is a healthcare provider. based in Hartford, Connecticut. specializing in Neonatal-Perinatal Medicine Physician. They hold the professional credentials MD. They hold a License No. 024684 (CT). The NPI Number for LEONARD EISENFELD (MD) is 1649243379

Main info

Male
Name
LEONARD EISENFELD (MD)
NPI
1649243379
Phone
(860) 545-8950
Address
282 WASHINGTON ST
Enumeration Date
13 February 2006
Last Update Date
8 July 2007
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

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Provider Addresses for LEONARD EISENFELD (MD)

  • Connecticut Children's Medical Center, 282, Washington Street, Frog Hollow Historic District, Hartford, Hartford County, Connecticut, 06106, United States

    HARTFORD, CT 061063322

    Phone: (860) 545-8950

    Fax: (860) 545-8249

    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: 2008-06-17

PECOS data refreshed: 2026-05-27

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

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080617000361IPediatric MedicineCTTBD

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 06106)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for LEONARD EISENFELD (MD)?
LEONARD EISENFELD (MD) — NPI 1649243379 — is the standard way to identify this listing.
Does CMS list LEONARD EISENFELD (MD) as active?
Yes — LEONARD EISENFELD (MD) is active in the NPI listing used on this page.
What is LEONARD EISENFELD (MD) best known for clinically?
Directory data describes LEONARD EISENFELD (MD) with Neonatal-Perinatal Medicine Physician. Clinical services aligned with this taxonomy classification.
What address line appears for LEONARD EISENFELD (MD)?
LEONARD EISENFELD (MD)'s geographic hint is Hartford, Connecticut in our summary view.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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