DR. MARY A HORAN (MD) – Obstetrics & Gynecology Physician, NPI 1639252737

DR. MARY A HORAN (MD) is a healthcare provider. based in Berwyn, Illinois. specializing in Obstetrics & Gynecology Physician. They hold the professional credentials MD. They hold a License No. 036-084849 (IL). The NPI Number for DR. MARY A HORAN (MD) is 1639252737

Main info

Female
Name
DR. MARY A HORAN (MD)
NPI
1639252737
Phone
(708) 783-9100
Address
3249 OAK PARK AVE
Enumeration Date
23 October 2006
Last Update Date
25 April 2017
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. MARY A HORAN (MD)

  • MacNeal Hospital, 3249, Oak Park Avenue, Berwyn, Cook County, Illinois, 60402, United States

    BERWYN, IL 604023429

    Phone: (708) 783-9100

    Fax: (708) 783-0327

    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: 2009-10-08

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
I20091008000249IObstetrics/GynecologyILTBD

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 60402)

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Reviews

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Frequently asked questions

What identifier follows DR. MARY A HORAN (MD) across health systems?
The NPI 1639252737 uniquely identifies DR. MARY A HORAN (MD) in U.S. healthcare data.
Quick check: is DR. MARY A HORAN (MD) active?
Public NPPES data shows DR. MARY A HORAN (MD) with an active NPI status right now.
Which specialty label fits DR. MARY A HORAN (MD)?
NPPES ties DR. MARY A HORAN (MD) to Obstetrics & Gynecology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. MARY A HORAN (MD)?
DR. MARY A HORAN (MD) is associated with Berwyn, Illinois in the same public data insurers reference.
Can I export DR. MARY A HORAN (MD)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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