Daniel Donghyok Ko, PHARM.D.
Pharmacist · Santa Maria, CA
Daniel Donghyok Ko, PHARM.D. is a pharmacist with a practice address in Santa Maria, California, and NPI 1023508991, issued on May 15, 2018. Check the license (California 77651, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel Donghyok Ko
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 77651 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2399 S Broadway, Santa Maria, CA 93454
- Phone
- (805) 928-4633
- Enumerated
- May 15, 2018
- Record last updated
- May 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 2399 S Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nehal AshourPharmacist1003398512
- Diane Choi, PHARM.DPharmacist1922501501
- Sandy DuongPharmacist1568730364
- Xin Gong, PHARMDPharmacist1881565224
- McKayla KarceskiPharmacy Technician1467208959
- Kathy KieuPharmacist1770852642
Verify Daniel Donghyok Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 77651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
51 Medicare Part D claims for 50 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy22 claims
- Shingrix18 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.
Daniel Donghyok Ko among 32,533 pharmacist records in California
Daniel Donghyok Ko, PHARM.D. is one of 32,533 pharmacist records with a practice address in California. 15% 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 61% of them.
- NPI issued2018 · 61% of these records are older, 33% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2018 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 pharmacist records list a practice address in Santa Maria
They are 77 of the 3,047 NPPES records with a practice address in Santa Maria, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Santa Maria → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Jennifer Barton, PHARM.DSanta Maria, CA 934541124042817
- Sandy DuongSanta Maria, CA 934541568730364
- Wafik Fahmy, RPHSanta Maria, CA 934541669754529
- Robert Fee, RPHSanta Maria, CA 934541902106867
- Randa HassanSanta Maria, CA 934541992005219
- Tony HoweSanta Maria, CA 934541295940773
- Kathy KieuSanta Maria, CA 934541770852642
- Charles Nakano, RPHSanta Maria, CA 934541417233032
Common questions
What is Daniel Donghyok Ko, PHARM.D.'s NPI number?
Daniel Donghyok Ko, PHARM.D.'s National Provider Identifier (NPI) is 1023508991, issued on May 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Donghyok Ko, PHARM.D. located?
The NPPES record lists a practice address at 2399 S Broadway, Santa Maria, CA, 93454. Phone: (805) 928-4633. Providers update this record themselves, so call before visiting.
How can I verify Daniel Donghyok Ko, PHARM.D.'s license?
NPPES lists California license number 77651, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel Donghyok Ko, PHARM.D. prescribe under Medicare Part D?
In 2024, Daniel Donghyok Ko, PHARM.D. had 51 Medicare Part D claims for 50 beneficiaries; the average among pharmacist prescribers was 119. 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.