ALI MENDELSON (MD) – Pediatric Emergency Medicine (Emergency Medicine) Physician, NPI 1497741532

ALI MENDELSON (MD) is a healthcare provider. based in Rockland, Delaware. specializing in Pediatric Emergency Medicine (Emergency Medicine) Physician. They hold the professional credentials MD. They hold a License No. 233946 (NY). The NPI Number for ALI MENDELSON (MD) is 1497741532

Main info

Female
Name
ALI MENDELSON (MD)
NPI
1497741532
Phone
(302) 651-4200
Address
PO BOX 191
Enumeration Date
23 September 2005
Last Update Date
18 December 2023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience83
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for ALI MENDELSON (MD)

  • 191, Mill Street, Rockport, Knox County, Maine, 04856, United States

    ROCKLAND, DE 197320191

    Phone: (302) 651-4200

    Fax: (302) 651-4945

    Type: Mailing

  • Bryn Mawr Avenue, Bryn Mawr, Youngstown, Mahoning County, Ohio, 44505, United States

    BRYN MAWR, PA 190103121

    Phone: (484) 337-3000

    Type: Location

  • 3401 CIVIC CENTER BLVD STE M975

    PHILADELPHIA, PA 191044319

    Phone:

    Type: Mailing

  • 3401 CIVIC CENTER BLVD

    PHILADELPHIA, PA 191044319

    Phone: (800) 879-2467

    Type: Location

  • 400 E Main St

    4th Floor

    Mount Kisco, NY 105493417

    Phone: (914) 666-1200

    Fax: (914) 666-1973

    Type: Location

  • 130 S Bryn Mawr Ave

    Bryn Mawr, PA 190103121

    Phone: (484) 337-3000

    Type: Location

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: 2020-08-26

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
I20200826000315IPediatric MedicineNYTBD

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 19732)

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Reviews

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Frequently asked questions

Can I cross-check ALI MENDELSON (MD) using NPI 1497741532?
NPI 1497741532 belongs to ALI MENDELSON (MD); compare other details if you need extra assurance.
Would ALI MENDELSON (MD) appear as active to a payer?
You can treat ALI MENDELSON (MD) as active for directory purposes; confirm clinical privileges separately.
What clinical focus is listed for ALI MENDELSON (MD)?
At a glance, ALI MENDELSON (MD) is tied to Pediatric Emergency Medicine (Emergency Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where in Delaware is ALI MENDELSON (MD) registered?
Use Rockland, Delaware as the headline location for ALI MENDELSON (MD) here.
Can I trust this NPI listing for ALI MENDELSON (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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