Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Susan L Cowdery, MD

Rheumatology Physician in Wilmington, DE · enumerated 2006.

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

National Provider Identifier

1336177666

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Registry record

Entity type Individual (Type 1)

Name Dr. Susan L Cowdery

Credential MD

Sex Female

Practice address 3301 Lancaster Pike, Suite 9, Wilmington, DE, 19805

Phone (302) 830-5297

Fax (302) 656-5270

Enumeration date Jun 28, 2006

Last updated in NPPES Nov 16, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD031638E (PA) Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License MD031638E (PA) Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License C1-0009265 (DE) Primary

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
1538151	Other	PA	GATEWAY-WMG
0092050000	Other	PA	AMERIHEALTH 65 PA
199708	Other	PA	HIGHMARK BLUE SHIELD
640457	Other	MD	CAREFIRST MD BCBS
001136649	Medicaid	PA	-
50065256	Other	PA	CAPITAL BLUE CROSS-WMG
107048	Other	PA	JOHNS HOPKINS
20033517	Other	PA	AMERIHEALTH MERCY-WMG
5833490	Other	PA	AETNA
100440	Other	PA	GEISINGER
153402	Other	PA	UNISON-WMG
2127067	Other	PA	MAMSI-WMG

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Susan Cowdery?

The National Provider Identifier (NPI) for Susan Cowdery is 1336177666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Susan Cowdery practice?

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

Other providers at this practice address

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Helen Ting Internal Medicine Physician · Wilmington, DE NPI 1437134160 Thomas Hilton Internal Medicine Physician · Wilmington, DE NPI 1912983339 Cynthia Heldt Internal Medicine Physician · Wilmington, DE NPI 1679550750 Shakaib Qureshi Rheumatology Physician · Wilmington, DE NPI 1821063108 Walgreen Co Pharmacy · Wilmington, DE NPI 1447276084 Kirsten Hauer Infectious Disease Physician · Wilmington, DE NPI 1922100023 Lauren Cardillo Pharmacist · Wilmington, DE NPI 1215121249 First State Infectious Disease Specialists LLC Specialist · Wilmington, DE NPI 1124214044

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-16.