Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria Greer
Counselor in Ramona, CA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013242395
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Registry record
Entity type Individual (Type 1)
Name Maria Greer
Sex Female
Practice address 398 D St, Ramona, CA, 92065
Phone (760) 788-9724
Fax (760) 788-9754
Enumeration date Oct 5, 2009
Last updated in NPPES Oct 5, 2009
Taxonomy & licenses
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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Maria Greer?
Maria Greer is registered in NPPES with the primary taxonomy of Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-05.