Nicole Riojas, D.O.
Family Medicine Physician · San Marcos, TX
Nicole Riojas, D.O. is a family medicine physician with a practice address in San Marcos, Texas, and NPI 1598050676, issued on Jun 16, 2011. Check the license (Texas P7556, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nicole Riojas
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- P7556 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1320 Wonder World Dr Ste 101, San Marcos, TX 78666
- Phone
- (512) 396-3911
- Enumerated
- Jun 16, 2011
- Record last updated
- Sep 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (512) 353-0807
- Medicare enrollment
- Enrolled (PECOS I20140625002107); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2011
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 1320 Wonder World Dr Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony GibbsPhysician Assistant1710457940
- James Jankowski, PAPhysician Assistant1083808968
- Megan Juarez, NP-CFamily Nurse Practitioner1952798779
- Rebecca King, ACNSAdult Health Clinical Nurse Specialist1255648259
- Allison Marsh, MDFamily Medicine Physician1952891475
- Robert Reid, MDFamily Medicine Physician1164836532
Verify Nicole Riojas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P7556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average family medicine physician in 2024
4,745 Medicare Part D claims for 375 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 91 claims were for opioids.
Most prescribed
- Levothyroxine Sodium309 claims
- Atorvastatin Calcium205 claims
- Rosuvastatin Calcium183 claims
- Lisinopril161 claims
- Amlodipine Besylate149 claims
- Losartan Potassium133 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.
Industry payments in 2024: $20.57
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Christus Trinity ClinicSan Marcos, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicole Riojas among 11,119 family medicine physician records in Texas
Nicole Riojas, D.O. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · median 2004 among the 7,095 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in San Marcos
They are 27 of the 1,003 NPPES records with a practice address in San Marcos, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in San Marcos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregory Colon, MDSan Marcos, TX 786661972594141
- Sarah Doss, M.D.San Marcos, TX 786661679599732
- Jennifer Driskell, MDSan Marcos, TX 786661386634657
- Roy Hotz, MDSan Marcos, TX 786661477666824
- John Jackson, M.D.San Marcos, TX 786661457350902
- Alan Lee, M.D.San Marcos, TX 786661336164425
- Jacqueline Livingston, DOSan Marcos, TX 786661326004912
- Vip Mangalick, MDSan Marcos, TX 786661437347697
Common questions
What is Nicole Riojas, D.O.'s NPI number?
Nicole Riojas, D.O.'s National Provider Identifier (NPI) is 1598050676, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nicole Riojas, D.O. located?
The NPPES record lists a practice address at 1320 Wonder World Dr Ste 101, San Marcos, TX, 78666. Phone: (512) 396-3911. Providers update this record themselves, so call before visiting.
How can I verify Nicole Riojas, D.O.'s license?
NPPES lists Texas license number P7556, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicole Riojas, D.O. prescribe under Medicare Part D?
In 2024, Nicole Riojas, D.O. had 4,745 Medicare Part D claims for 375 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.