Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas A Katz, M.D.

Q: What is the NPI number for Douglas Katz?

The National Provider Identifier (NPI) for Douglas Katz is 1548219504, a Type 1 (individual) record in the CMS NPPES registry.

Pediatric Critical Care Medicine Physician in Wilmington, DE · enumerated 2006.

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

National Provider Identifier

1548219504

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Registry record

Entity type Individual (Type 1)

Name Douglas A Katz

Credential M.D.

Sex Male

Practice address 1600 Rockland Rd, Wilmington, DE, 19803

Phone (302) 651-4200

Fax (302) 651-5990

Enumeration date May 8, 2006

Last updated in NPPES Jan 16, 2013

Taxonomy & licenses

2080P0203X Pediatric Critical Care Medicine Physician Allopathic & Osteopathic Physicians · License C10008171 (DE) Primary

2086S0120X Pediatric Surgery Physician Allopathic & Osteopathic Physicians · License MD050152L (PA) 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
0018186670001	Medicaid	PA	-

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

What is the NPI number for Douglas Katz?

The National Provider Identifier (NPI) for Douglas Katz is 1548219504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Katz 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

Browse all →

Lee Pachter Pediatrics Physician · Wilmington, DE NPI 1306844345 Rhoda Powell Plastic and Reconstructive Surgery Physician · Wilmington, DE NPI 1669460531 Sue Moyer Harasink Genetic Counselor (M.S.) · Wilmington, DE NPI 1679562177 Leonard Goldsmith Neonatal-Perinatal Medicine Physician · Wilmington, DE NPI 1538159439 Jane Ierardi Neonatal-Perinatal Medicine Physician · Wilmington, DE NPI 1720078504 Daniel Dirnberger Neonatal-Perinatal Medicine Physician · Wilmington, DE NPI 1467435438 Margaret Chou Obstetrics & Gynecology Physician · Wilmington, DE NPI 1902880651 Lauren Gilbert Physician Assistant · Wilmington, DE NPI 1336128347

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-16.