SEAN JAMES DIKDAN M.D., M.P.H.
NPI 1770017121
Internal Medicine - Cardiovascular Disease in Newark, DE

Q: What is Sean Dikdan's NPI number?

The NPI number for Sean Dikdan is 1770017121. It was assigned to this individual provider in the NPPES registry on April 12, 2017.

Q: What is Sean Dikdan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Sean Dikdan was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 12, 2017PECOS EnrolledAccepts Medicare Assignment

200 HYGEIA DR STE 1360, NEWARK, DE 19713(302) 623-1929(302) 368-7943 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 2, 2025, Apr 12, 2017 (2 updates tracked since 2017).

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About Sean James Dikdan M.d., M.p.h. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEAN JAMES DIKDAN M.D., M.P.H. (NPI 1770017121) is an individual cardiovascular disease provider in Newark, Delaware, licensed in Delaware (C1-0028078) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1770017121

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameSEAN JAMES DIKDANCredential: M.D., M.P.H.

Location Address200 HYGEIA DR STE 1360Newark, DE 19713-2049

Mailing Address200 Hygeia Dr Ste 1360Newark, DE 19713-2049 · (302) 623-1929 · Fax (302) 368-7943

Phone(302) 623-1929

Fax(302) 368-7943

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateApril 12, 2017

Last NPPES UpdateSeptember 2, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2025

✔ NPI 1770017121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in DE · C1-0028078✔ Licensed in MD · D0104523

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License C1-0028078 (DE), D0104523 (MD)

200 HYGEIA DR STE 1360, Newark, DE 19713

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sean James Dikdan M.d., M.p.h. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799053203

PECOS Enrollment IDI20250910003233

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Union Hospital Of Cecil County

Acute Care Hospitals · Elkton, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210032

Location106 Bow StreetElkton, MD 21921 · Cecil County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$131.15 typical visit price

range $57.12 – $173.08

Typical copayment $32.78 (range $14.28 – $43.27)

Most-billed visit code 99204

Established Patient

$71.19 typical visit price

range $18.36 – $141.05

Typical copayment $17.79 (range $4.59 – $35.26)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIANA CARE HEALTH SERVICES, INC

Internal Medicine (Cardiovascular Disease)