Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ercilia E Arias, M.D.

Pulmonary Disease Physician in Lewes, DE · enumerated 2006 · practices at Christiana Care Health Services, Inc..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1720032675

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Registry record

Entity type Individual (Type 1)

Name Ercilia E Arias

Credential M.D.

Sex Female

Practice address 400 Savannah Rd, Suite B, Lewes, DE, 19958

Phone (302) 645-3555

Fax (302) 644-3560

Enumeration date May 22, 2006

Last updated in NPPES Feb 5, 2014

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License C1-0005133 (DE) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License C1-0005133 (DE) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License C1-0005133 (DE) Secondary

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License C1-0005133 (DE) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
000000207288	Other	DE	UNISON HEALTH CARE-MCAID
522011PUL	Other	DE	BCBS OF DE PULMONARY
P00032294	Other	DE	RAILROAD MEDICARE
0000829201	Other	DE	DIAMOND STATE MEDICAID
0000829201	Medicaid	DE	-
522011LW2	Other	DE	BCBS OF DE INT.MED.
522011LW2	Other	DE	BCBS OF DE - CRITICAL CAR
0000829201	Other	DE	DE PHYSICIAN CARE MEDICAI
178366	Other	DE	COVENTRY HEALTH CARE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where does Ercilia Arias practice?

The practice location on file with NPPES is in Lewes, DE. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Ercilia Arias?

The National Provider Identifier (NPI) for Ercilia Arias is 1720032675, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Scott Olewiler Infectious Disease Physician · Lewes, DE NPI 1205881893 Michael Salvatore Pulmonary Disease Physician · Lewes, DE NPI 1346295722 Harry Anagnostakos Gastroenterology Physician · Lewes, DE NPI 1124036017 Paolo Peghini Gastroenterology Physician · Lewes, DE NPI 1558379446 Christiana Care Health Services, Inc. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Lewes, DE NPI 1417021510 Vanessa Adams Nurse Practitioner · Lewes, DE NPI 1093856320 Julia Seeley Family Nurse Practitioner · Lewes, DE NPI 1841325610 Mark Wilkinson Gastroenterology Physician · Lewes, DE NPI 1326235623

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-05.