Therese Grace Sumague Santos, DO
Family Medicine Physician · Yorba Linda, CA
Therese Grace Sumague Santos, DO is a family medicine physician with a practice address in Yorba Linda, California, and NPI 1851929111, issued on Mar 31, 2020. Check the license (California 20A19785, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Therese Grace Sumague Santos
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A19785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4300 Rose Dr, Yorba Linda, CA 92886
- Phone
- (714) 528-4211
- Enumerated
- Mar 31, 2020
- Record last updated
- Nov 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20231121003286); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4300 Rose Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nazlee ArainPediatric Registered Nurse1528739927
- Anthony Bae, M.D.Internal Medicine Physician1194711945
- Marienelle Banez, M.D.Pediatrics Physician1689695082
- Abram Beshay, MDDermatology Physician1356874218
- Paul Bracho, LCSW MFTClinical Social Worker1326185018
- Ai-Vy Bui, DOPediatrics Physician1821557984
Verify Therese Grace Sumague Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average family medicine physician in 2024
1,392 Medicare Part D claims for 302 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium99 claims
- Amlodipine Besylate62 claims
- Lisinopril53 claims
- Levothyroxine Sodium50 claims
- Losartan Potassium44 claims
- Fluticasone Propionate35 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 MIPS final score for 2023 (Medicare payment program): 96 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $864.87
23 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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
- Providence Medical FoundationLa Habra, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Therese Grace Sumague Santos among 17,133 family medicine physician records in California
Therese Grace Sumague Santos, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 family medicine physician records list a practice address in Yorba Linda
They are 48 of the 748 NPPES records with a practice address in Yorba Linda, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Yorba Linda → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Birkenstein, M.D.Yorba Linda, CA 928861093710022
- Gregg Denicola, MDYorba Linda, CA 928861164469912
- Roxann Engle, DOYorba Linda, CA 928861710981303
- Fred Hurst, MDYorba Linda, CA 928861114927720
- Maria Hutchinson, DOYorba Linda, CA 928861558349316
- Ana Ivanova, M.D.Yorba Linda, CA 928861104812833
- Angsumarn Luecha, MDYorba Linda, CA 928861023018009
- Daniel May, M.D.Yorba Linda, CA 928861760423917
Common questions
What is Therese Grace Sumague Santos, DO's NPI number?
Therese Grace Sumague Santos, DO's National Provider Identifier (NPI) is 1851929111, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Therese Grace Sumague Santos, DO located?
The NPPES record lists a practice address at 4300 Rose Dr, Yorba Linda, CA, 92886. Phone: (714) 528-4211. Providers update this record themselves, so call before visiting.
How can I verify Therese Grace Sumague Santos, DO's license?
NPPES lists California license number 20A19785, 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.
How much does Therese Grace Sumague Santos, DO prescribe under Medicare Part D?
In 2024, Therese Grace Sumague Santos, DO had 1,392 Medicare Part D claims for 302 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Therese Grace Sumague Santos, DO's MIPS final score?
The 2023 MIPS final score is 96 of 100. 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.