DR. GRETCHEN HARMON (MD) – Pediatric Allergy/Immunology Physician, NPI 1497156061

Pediatric Allergy/Immunology Physician

DR. GRETCHEN HARMON (MD) is a healthcare provider. based in Wilmington, Delaware. specializing in Pediatric Allergy/Immunology Physician. They hold the professional credentials MD. They hold a License No. 281243 (NY). The NPI Number for DR. GRETCHEN HARMON (MD) is 1497156061

Main info

Female

Name

DR. GRETCHEN HARMON (MD)

NPI

1497156061

Phone

Not provided

Address

1600 ROCKLAND RD

Enumeration Date

14 September 2014

Last Update Date

22 August 2016

Data current as of

20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness75

Years active:11State licenses:3Digital endpointsOther names

Provider Addresses for DR. GRETCHEN HARMON (MD)

1600 ROCKLAND RD
WILMINGTON, DE 198033607
Phone:
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: 2016-05-04

PECOS data refreshed: 2026-05-27

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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 19803)

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Reviews

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Frequently asked questions

Is DR. GRETCHEN HARMON (MD) listed with a National Provider Identifier?

Yes — DR. GRETCHEN HARMON (MD) has NPI 1497156061 on file in the registry.

Active or inactive — what applies to DR. GRETCHEN HARMON (MD)?

You should see DR. GRETCHEN HARMON (MD) as active in CMS-hosted NPPES data.

What kind of doctor is DR. GRETCHEN HARMON (MD)?

DR. GRETCHEN HARMON (MD) is associated with Pediatric Allergy/Immunology Physician in the directory — Clinical services aligned with this taxonomy classification.

Is DR. GRETCHEN HARMON (MD) associated with Wilmington?

Public fields place DR. GRETCHEN HARMON (MD) around Wilmington, Delaware. Always confirm the exact site before visiting.

Does DR. GRETCHEN HARMON (MD) accept insurance?

Insurance participation is not part of the core NPI extract — call the plan or office to confirm.