Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Maria R. Rivera, M.D.
Specialist in Lawton, OK · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811938087
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Registry record
Entity type Individual (Type 1)
Name Dr. Maria R. Rivera
Credential M.D.
Sex Female
Practice address 4008 Nw Cache Rd, Lawton, OK, 73505
Phone (580) 351-9949
Fax (580) 351-9989
Enumeration date Jun 9, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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.
Frequently asked questions
Where does Maria Rivera practice?
The practice location on file with NPPES is in Lawton, OK. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Maria Rivera?
The National Provider Identifier (NPI) for Maria Rivera is 1811938087, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.