Alejandra I. Castillo-Roth, M.D.
Gastroenterology Physician · Santa Fe, NM
Alejandra I. Castillo-Roth, M.D. is a gastroenterology physician with a practice address in Santa Fe, New Mexico, and NPI 1124222401, issued on Jun 12, 2007. Check the license (New Mexico MD2010-0309, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alejandra I. Castillo-Roth
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD2010-0309 NM
2008-01739 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1691 Galisteo St Ste C, Santa Fe, NM 87505
- Phone
- (505) 983-5631
- Enumerated
- Jun 12, 2007
- Record last updated
- Aug 18, 2025
- Fax
- (505) 982-5605
- Medicare enrollment
- Enrolled (PECOS I20101122000748); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1691 Galisteo St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Aragon, ACNPAcute Care Nurse Practitioner1437402450
- Christopher Atkinson, MDGastroenterology Physician1093072027
- Daniel Bujanda, M.D.Gastroenterology Physician1285993501
- Timothy Gebhart, DNPFamily Nurse Practitioner1396198628
- Amy Pendergraft, FNPFamily Nurse Practitioner1720436645
- Tomas Valerio, MDGastroenterology Physician1861920969
Verify Alejandra I. Castillo-Roth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Mexico Medical Board
Search for license MD2010-0309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average gastroenterology physician in 2024
1,054 Medicare Part D claims for 737 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Peg 3350-Electrolyte481 claims
- Omeprazole203 claims
- Gavilyte-G100 claims
- Pantoprazole Sodium39 claims
- Famotidine23 claims
- Gavilyte-N23 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,331.24
51 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Nnm Gastroenterology Associates PASanta Fe, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in New Mexico
There are 95 gastroenterology physician records in New Mexico.
Other gastroenterology physician records in New Mexico
- Ahmad Abou Yassine, M.DAlbuquerque, NM1720645310
- Kanana AburayyanRoswell, NM1649777632
- Gabrielle Adams, M.D.Albuquerque, NM1477552958
- Prithvi Reddy Akepati, MDAlbuquerque, NM1932603073
- Joseph AlcornAlbuquerque, NM1386643708
- Christopher Atkinson, MDSanta Fe, NM1093072027
- Angela Barnes, MDRio Rancho, NM1487218434
- Michael Bay, M.D.Albuquerque, NM1437143195
- Aleksandr Birg, MDAlbuquerque, NM1467795666
- Edgar Boedeker, M.D.Albuquerque, NM1861586935
Common questions
What is Alejandra I. Castillo-Roth, M.D.'s NPI number?
Alejandra I. Castillo-Roth, M.D.'s National Provider Identifier (NPI) is 1124222401, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alejandra I. Castillo-Roth, M.D. located?
The NPPES record lists a practice address at 1691 Galisteo St Ste C, Santa Fe, NM, 87505. Phone: (505) 983-5631. Providers update this record themselves, so call before visiting.
How can I verify Alejandra I. Castillo-Roth, M.D.'s license?
NPPES lists New Mexico license number MD2010-0309, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alejandra I. Castillo-Roth, M.D. prescribe under Medicare Part D?
In 2024, Alejandra I. Castillo-Roth, M.D. had 1,054 Medicare Part D claims for 737 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Alejandra I. Castillo-Roth, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.