Daniel J. Opatz, RPH
Pharmacist · Buena Park, CA
Daniel J. Opatz, RPH is a pharmacist with a practice address in Buena Park, California, and NPI 1942529854, issued on May 18, 2010. Check the license (California RPH37645, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Daniel J. Opatz
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH37645 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4520 Beach Blvd, Buena Park, CA 90621
- Phone
- (714) 523-2960
- Enumerated
- May 18, 2010
- Record last updated
- May 18, 2010 (not updated in 16 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 4520 Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hang Le, BSPharmacist1881714756
- Lilia SonPharmacist1437503729
- Haesoon YoonPharmacist1063739977
Verify Daniel J. Opatz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH37645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Daniel J. Opatz among 32,533 pharmacist records in California
Daniel J. Opatz, RPH 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 not. Its NPI, issued in 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 82% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 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).
61 pharmacist records list a practice address in Buena Park
They are 61 of the 728 NPPES records with a practice address in Buena Park, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 32,533 in California → Every provider in Buena Park → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Phillip ChungBuena Park, CA 906211689111080
- Ferdinand De La Cruz, PHARMDBuena Park, CA 906211659623528
- Sharon Ginsburg, RPHBuena Park, CA 906211780979344
- Oliver HehBuena Park, CA 906211578072658
- Janice Jang, PHARM. DBuena Park, CA 906211063555100
- Eun Hae JungBuena Park, CA 906211215385240
- Young KimBuena Park, CA 906211457482150
- Hang Le, BSBuena Park, CA 906211881714756
Common questions
What is Daniel J. Opatz, RPH's NPI number?
Daniel J. Opatz, RPH's National Provider Identifier (NPI) is 1942529854, issued on May 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Daniel J. Opatz, RPH located?
The NPPES record lists a practice address at 4520 Beach Blvd, Buena Park, CA, 90621. Phone: (714) 523-2960. Providers update this record themselves, so call before visiting.
How can I verify Daniel J. Opatz, RPH's license?
NPPES lists California license number RPH37645, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.