Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Grace Wenjun Guo, MD

Pediatric Radiology Physician in Wilmington, DE · enumerated 2006.

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

National Provider Identifier

1730271610

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Registry record

Entity type Individual (Type 1)

Name Dr. Grace Wenjun Guo

Credential MD

Sex Female

Practice address 1600 Rockland Rd, Wilmington, DE, 19803

Phone (302) 651-4000

Fax (302) 651-4945

Enumeration date Sep 29, 2006

Last updated in NPPES Feb 4, 2013

Taxonomy & licenses

2085P0229X Pediatric Radiology Physician Allopathic & Osteopathic Physicians · License C10006921 (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
5525	Medicaid	NJ	-
4025849	Medicaid	MD	-
Q06920	Medicaid	SC	-
2644993	Medicaid	NY	-
10233585	Medicaid	VA	-
91013900	Medicaid	FL	-
627447000	Medicaid	MN	-
GG68136	Medicaid	RI	-
1967012	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

How do I verify Grace Guo's NPI record?

Cross-check NPI 1730271610 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1730271610 active?

Yes, as of the latest NPPES snapshot, NPI 1730271610 is active (record last updated 2013-02-04).

Other providers at this practice address

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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 2013-02-04.