Maria Elma Rivera, CNM, FNP
Family Nurse Practitioner · Crystal City, TX
Maria Elma Rivera, CNM, FNP is a family nurse practitioner with a practice address in Crystal City, Texas, and NPI 1558582171, issued on May 1, 2007. Check the license (Texas AP110357, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Elma Rivera
- Credential
- CNM, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP110357 TX
Self-reported in NPPES; status is on the state search - Practice location
- 308 S Cesar Chavez Ave, Crystal City, TX 78839
- Phone
- (830) 374-2301
- Enumerated
- May 1, 2007
- Record last updated
- Feb 27, 2024
- Fax
- (830) 374-9368
- Medicaid ID
- 080462703 TX
- Medicare enrollment
- Enrolled (PECOS I20121026000261); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2000
- Entity
- Type 1 · individual
Also registered at 308 S Cesar Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leticia Ballesteros, FNPFamily Nurse Practitioner1518235852
- Vanessa BenavidesCounselor1003442385
- Rosanna Caballero, FNPFamily Nurse Practitioner1164997656
- Sandra Castanon, P. A.Physician Assistant1114472412
- Steven Garza, P.A.Medical Physician Assistant1841383908
- Rosa Guzman, LCDCAddiction (Substance Use Disorder) Counselor1992210439
Verify Maria Elma Rivera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP110357Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average family nurse practitioner in 2024
823 Medicare Part D claims for 140 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium49 claims
- Levothyroxine Sodium46 claims
- Omeprazole28 claims
- Losartan Potassium27 claims
- Amlodipine Besylate26 claims
- Hydrochlorothiazide25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Vida Y Salud - Health Systems, Inc.Crystal City, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 family nurse practitioner records list a practice address in Crystal City
They are 4 of the 38 NPPES records with a practice address in Crystal City, and 21,242 family nurse practitioner records in Texas.
All 4 in Crystal City → All 21,242 in Texas → Every provider in Crystal City →
Other family nurse practitioner records in Texas
- Ashley Aaron, FNPWaco, TX1053821504
- Christina Aaron, FNPTexarkana, TX1457787426
- Lori Aaron, FNP-CFrisco, TX1619387974
- Lauren Aase, FNPSheppard Afb, TX1578550299
- Olivia AbabioCypress, TX1588171995
- Lilian Abagwe, NPWylie, TX1396215620
- Vivian Abaidoo, NP-CHouston, TX1760071971
- Zuniley Aballe-Hernandez, FNP-CHouston, TX1952054066
- Jorge Abalo Redden, FNPKaty, TX1932991122
- Jennifer Abalos, FNPPlano, TX1841452984
Common questions
What is Maria Elma Rivera, CNM, FNP's NPI number?
Maria Elma Rivera, CNM, FNP's National Provider Identifier (NPI) is 1558582171, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maria Elma Rivera, CNM, FNP located?
The NPPES record lists a practice address at 308 S Cesar Chavez Ave, Crystal City, TX, 78839. Phone: (830) 374-2301. Providers update this record themselves, so call before visiting.
How can I verify Maria Elma Rivera, CNM, FNP's license?
NPPES lists Texas license number AP110357, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Elma Rivera, CNM, FNP prescribe under Medicare Part D?
In 2024, Maria Elma Rivera, CNM, FNP had 823 Medicare Part D claims for 140 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.