MARGARET MARY GAESTEL (LCSW, LCSW-C) – Clinical Social Worker, NPI 1306089818

MARGARET MARY GAESTEL (LCSW, LCSW-C) is a healthcare provider. based in Lewes, Delaware. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LCSW, LCSW-C. They hold a License No. Q1-0000844 (DE). The NPI Number for MARGARET MARY GAESTEL (LCSW, LCSW-C) is 1306089818

Main info

Female
Sole Proprietor
29 Years Of Experience
Accepts Medicare Assignment
Name
MARGARET MARY GAESTEL (LCSW, LCSW-C)
NPI
1306089818
Phone
(410) 507-9417
Address
31168 LEARNING LN
Enumeration Date
14 April 2009
Last Update Date
19 June 2009

Doctor Profile

Medical School Name
UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Secondary Phone
3027032276
Graduation Year
1997 (29 years ago)
PAC ID
9436375961
Professional Enrollment ID
I20140718001345
Address ID
DE199581133LE414XXRDXX400
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:17State licenses:1Digital endpointsOther names

299 CLINICAL SOCIAL WORKER in DE

Provider Addresses for MARGARET MARY GAESTEL (LCSW, LCSW-C)

  • 31168 LEARNING LN

    LEWES, DE 199583685

    Phone: (410) 507-9417

    Type: Location

  • 112, Tilney Street, Milton, Sussex County, Delaware, 19968, United States

    MILTON, DE 199681639

    Phone: (302) 684-8533

    Type: Mailing

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: 2014-07-18

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
I20140718001345IClinical Social WorkerDETBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
90837Psychotherapy, 1 hour25917$0
View full utilization report →

Insurance plans in this area (ZIP 19958)

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Reviews

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Frequently asked questions

Does MARGARET MARY GAESTEL (LCSW, LCSW-C) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — MARGARET MARY GAESTEL (LCSW, LCSW-C) uses 1306089818.
Is MARGARET MARY GAESTEL (LCSW, LCSW-C) still practicing?
MARGARET MARY GAESTEL (LCSW, LCSW-C) is currently listed as active in the public NPI registry.
What is MARGARET MARY GAESTEL (LCSW, LCSW-C) best known for clinically?
Directory data describes MARGARET MARY GAESTEL (LCSW, LCSW-C) with Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Where is MARGARET MARY GAESTEL (LCSW, LCSW-C) based?
MARGARET MARY GAESTEL (LCSW, LCSW-C) is tied to Lewes, Delaware in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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