Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum
Carsten S. Ronlov, M.D. Inc.
Obstetrics & Gynecology Physician in Long Beach, CA · enumerated 2007 · authorized official Carsten Ronlov, Physician.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508045956
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Registry record
Taxonomy & classification
Authorized official
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| ZZZ955282 | Other | CA | BLUE SHIELD |
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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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-27.