Krystina Kealani Oasay Begonia, MD
Family Medicine Physician · Santa Cruz, CA
Krystina Kealani Oasay Begonia, MD is a family medicine physician with a practice address in Santa Cruz, California, and NPI 1760942734, issued on Mar 25, 2019. Check the license (California A207114, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Krystina Kealani Oasay Begonia
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A207114 CA
MD22693 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1510 Capitola RD, Santa Cruz, CA 95062
- Phone
- (831) 427-3500
- Enumerated
- Mar 25, 2019
- Record last updated
- Aug 3, 2026
- Fax
- (831) 457-2486
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1510 Capitola RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rebecca Breton, MDPediatrics Physician1659367548
- Karen Carranza, RNRegistered Nurse1013730001
- Catherine Cashatt, RNRegistered Nurse1396614640
Verify Krystina Kealani Oasay Begonia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A207114Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
604 Medicare Part D claims for 64 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium71 claims
- Amlodipine Besylate57 claims
- Losartan Potassium40 claims
- Ozempic35 claims
- Albuterol Sulfate Hfa27 claims
- Metformin Hcl22 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.
Krystina Kealani Oasay Begonia among 17,133 family medicine physician records in California
Krystina Kealani Oasay Begonia, MD 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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).
114 family medicine physician records list a practice address in Santa Cruz
They are 114 of the 5,138 NPPES records with a practice address in Santa Cruz, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Cruz → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rachel Abrams, M.D.Santa Cruz, CA 950621578542171
- David Beck, MDSanta Cruz, CA 950621235101122
- Deborah Bronstein, M.D.Santa Cruz, CA 950621245219393
- William Ebert, MDSanta Cruz, CA 950621982609848
- Bruce Eisendorf, M.D.Santa Cruz, CA 950621760462824
- Dawn Faber, M.D.Santa Cruz, CA 950621346201878
- Patricia Hinz, M.D.Santa Cruz, CA 950621750361077
- Duncan HolbertSanta Cruz, CA 950621770563520
Common questions
What is Krystina Kealani Oasay Begonia, MD's NPI number?
Krystina Kealani Oasay Begonia, MD's National Provider Identifier (NPI) is 1760942734, issued on Mar 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Krystina Kealani Oasay Begonia, MD located?
The NPPES record lists a practice address at 1510 Capitola RD, Santa Cruz, CA, 95062. Phone: (831) 427-3500. Providers update this record themselves, so call before visiting.
How can I verify Krystina Kealani Oasay Begonia, MD's license?
NPPES lists California license number A207114, 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 Krystina Kealani Oasay Begonia, MD prescribe under Medicare Part D?
In 2024, Krystina Kealani Oasay Begonia, MD had 604 Medicare Part D claims for 64 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.