DR. MARK CASE (M.D.) – Family Medicine Physician, NPI 1730137019

Family Medicine Physician

DR. MARK CASE (M.D.) is a healthcare provider. based in Middletown, Delaware. specializing in Family Medicine Physician. They hold the professional credentials M.D.. They hold a License No. C1-0004730 (DE). The NPI Number for DR. MARK CASE (M.D.) is 1730137019

Main info

Male

Sole Proprietor

Name

DR. MARK CASE (M.D.)

NPI

1730137019

Phone

(302) 449-1710

Address

124 SLEEPY HOLLOW DR STE 200

Enumeration Date

5 May 2006

Last Update Date

10 March 2020

Contacts

Secure Messaging

CaseFP@comcast.net

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness85

Years active:20State licenses:1Other namesUpdated within 12 months

Provider Addresses for DR. MARK CASE (M.D.)

124 SLEEPY HOLLOW DR STE 200
MIDDLETOWN, DE 197095838
Phone: (302) 449-1710
Fax: (302) 449-1717
Type: Location
272 Carter Dr
Suite 200
Middletown, DE 197095852
Phone: (302) 449-1710
Fax: (302) 449-1717
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.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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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 19709)

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Reviews

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Frequently asked questions

What number should I use to identify DR. MARK CASE (M.D.) for billing?

Administrative and clinical systems typically use NPI 1730137019 for DR. MARK CASE (M.D.).

Quick check: is DR. MARK CASE (M.D.) active?

Public NPPES data shows DR. MARK CASE (M.D.) with an active NPI status right now.

What does the directory say DR. MARK CASE (M.D.) does?

Insurance directories may phrase it differently, but here DR. MARK CASE (M.D.) maps to Family Medicine Physician. Clinical services aligned with this taxonomy classification.

Is DR. MARK CASE (M.D.) tied to Middletown, Delaware?

If you are local to Middletown, Delaware, DR. MARK CASE (M.D.) may be relevant to your search.

What is the difference between NPI and a medical license?

An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.