Ricardo O. Castillo, MD
Pediatric Gastroenterology Physician · Palo Alto, CA
Ricardo O. Castillo, MD is a pediatric gastroenterology physician with a practice address in Palo Alto, California, and NPI 1487738811, issued on Oct 24, 2006. Check the license (California G34798, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ricardo O. Castillo
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- G34798 CA
MD 2013-0785 NM
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Oct 24, 2006
- Record last updated
- Jan 24, 2025
- Medicaid ID
- 00G347980 CA
- Entity
- Type 1 · individual
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Ricardo O. Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 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).
Pediatric Gastroenterology Physician providers in California
There are 264 pediatric gastroenterology physician records in California.
Other pediatric gastroenterology physician records in California
- Mazen Abbas, D.O., M.P.H.Madera, CA1790775278
- Adel Abi-Hanna, MDSan Jose, CA1629014576
- Oren Abramson, MDSanta Clara, CA1265511307
- Marwa Abu El Haija, MDPalo Alto, CA1174882047
- Jonathan Africa, M.D.Sacramento, CA1144524893
- Sarika Aggarwal, MDSan Francisco, CA1740415470
- Phyllis Agran, M.D.Orange, CA1578583365
- Neha Ahuja, M.D.Madera, CA1750728358
- Sabina Ali, MDOakland, CA1336351717
- Ghanim Almohammad Aljomah, M.D.Riverside, CA1447414099
Common questions
What is Ricardo O. Castillo, MD's NPI number?
Ricardo O. Castillo, MD's National Provider Identifier (NPI) is 1487738811, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ricardo O. Castillo, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Ricardo O. Castillo, MD's license?
NPPES lists California license number G34798, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Ricardo O. Castillo, MD's MIPS final score?
The 2023 MIPS final score is 85.2 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.