NPPES file of Aug 9, 2026

Mara Alejandra Sigalos-Rivera, MD

Psychiatry Physician · Austin, TX

Mara Alejandra Sigalos-Rivera, MD is a psychiatry physician with a practice address in Austin, Texas, and NPI 1548765274, issued on Mar 26, 2018. Check the license (Texas V2572, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548765274
Name
Mara Alejandra Sigalos-Rivera
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
V2572 TX
A163514 CA
Self-reported in NPPES; status is on the state search
Practice location
13492 N Highway 183 Ste 210200, Austin, TX 78750
Phone
(213) 293-8763
Enumerated
Mar 26, 2018
Record last updated
Mar 7, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mara Alejandra Sigalos-Rivera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V2572
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average psychiatry physician in 2024

16 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mara Sigalos-Rivera16
  2. Specialty average1,000

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.

Mara Alejandra Sigalos-Rivera among 3,318 psychiatry physician records in Texas

Mara Alejandra Sigalos-Rivera, MD is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.

  • NPI issued2018 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

343 psychiatry physician records list a practice address in Austin

They are 343 of the 26,585 NPPES records with a practice address in Austin, and 3,318 psychiatry physician records in Texas.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Rose Friend, M. D.Austin, TX 787501932215696
  2. Mehdi Sharifian, MDAustin, TX 787501417104324
  3. Adefemi Taiwo, M.DAustin, TX 787501477895860
  4. Monika Sreeja Thangada, MDAustin, TX 787501629487764
  5. Rhonda Anderson, M.D.Austin, TX 787511144301656
  6. Patrick ClapperAustin, TX 787511639250582
  7. George HowlandAustin, TX 787511851472633
  8. Matthew Hughes, M.D.Austin, TX 787491649560863

Common questions

What is Mara Alejandra Sigalos-Rivera, MD's NPI number?

Mara Alejandra Sigalos-Rivera, MD's National Provider Identifier (NPI) is 1548765274, issued on Mar 26, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mara Alejandra Sigalos-Rivera, MD located?

The NPPES record lists a practice address at 13492 N Highway 183 Ste 210200, Austin, TX, 78750. Phone: (213) 293-8763. Providers update this record themselves, so call before visiting.

How can I verify Mara Alejandra Sigalos-Rivera, MD's license?

NPPES lists Texas license number V2572, 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 Mara Alejandra Sigalos-Rivera, MD prescribe under Medicare Part D?

In 2024, Mara Alejandra Sigalos-Rivera, MD had 16 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.