Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jonathan Ratzersdorfer, MD

Obstetrics & Gynecology Physician in Hackensack, NJ · enumerated 2011 · practices at Maternal Resources PC.

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

National Provider Identifier

1780977348

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Registry record

Entity type Individual (Type 1)

Name Jonathan Ratzersdorfer

Credential MD

Sex Male

Practice address 358 Beech St, Hackensack, NJ, 07601

Phone (201) 487-8600

Enumeration date May 16, 2011

Last updated in NPPES May 7, 2015

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License MT199072 (PA) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 25MA09621500 (NJ) Primary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 277805 (NY) Secondary

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

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 Jonathan Ratzersdorfer?

The National Provider Identifier (NPI) for Jonathan Ratzersdorfer is 1780977348, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jonathan Ratzersdorfer practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-07.