Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. John W Ringwald, PH.D.

Clinical Psychologist in New Haven, CT · enumerated 2007 · practices at Atlantic Health Services PC.

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

National Provider Identifier

1467501502

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Registry record

Entity type Individual (Type 1)

Name Dr. John W Ringwald

Credential PH.D.

Sex Male

Practice address New Haven, CT, 06511

Phone (203) 776-4910

Enumeration date Jan 9, 2007

Last updated in NPPES Nov 2, 2011

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 000570 (CT) Primary

PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
060000570CT01	Other	CT	ANTHEM BLUE CROSS
133621	Other	CT	HEALTH NET OF CT

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 John Ringwald's NPI record?

Cross-check NPI 1467501502 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1467501502 active?

Yes — as of the latest NPPES snapshot, NPI 1467501502 is active (record last updated 2011-11-02).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-02.