Thach Phan Do, R.PH.
Pharmacist · Fountain Valley, CA
Thach Phan Do, R.PH. is a pharmacist with a practice address in Fountain Valley, California, and NPI 1083932677, issued on May 7, 2010. Check the license (California 44837, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thach Phan Do
- Credential
- R.PH.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 44837 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17119 Buttonwood St, Fountain Valley, CA 92708
- Phone
- (714) 846-5291
- Enumerated
- May 7, 2010
- Record last updated
- May 7, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (714) 846-8936
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Verify Thach Phan Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 44837Check 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
79 Medicare Part D claims for 73 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 91% 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.
- Abrysvo21 claims
- Arexvy21 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.
Thach Phan Do among 32,533 pharmacist records in California
Thach Phan Do, R.PH. 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 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 82% 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 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).
144 pharmacist records list a practice address in Fountain Valley
They are 144 of the 2,190 NPPES records with a practice address in Fountain Valley, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Fountain Valley → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Hieu Dang, PHARMACISTFountain Valley, CA 927081780727362
- Joann Hong, PHARM.D.Fountain Valley, CA 927081427180314
- Jon Kamada, PHARM.D.Fountain Valley, CA 927081437205846
- Juliet Lai, PHARM.D.Fountain Valley, CA 927081952440067
- Kha Le, RPHFountain Valley, CA 927081023006731
- Mythuy Luu, PHARM.D.Fountain Valley, CA 927081124187943
- Mai Nguyen, PHARM.DFountain Valley, CA 927081417001652
- Binh Nguyen, PHARM.D.Fountain Valley, CA 927081194853291
Common questions
What is Thach Phan Do, R.PH.'s NPI number?
Thach Phan Do, R.PH.'s National Provider Identifier (NPI) is 1083932677, issued on May 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Thach Phan Do, R.PH. located?
The NPPES record lists a practice address at 17119 Buttonwood St, Fountain Valley, CA, 92708. Phone: (714) 846-5291. Providers update this record themselves, so call before visiting.
How can I verify Thach Phan Do, R.PH.'s license?
NPPES lists California license number 44837, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Thach Phan Do, R.PH. prescribe under Medicare Part D?
In 2024, Thach Phan Do, R.PH. had 79 Medicare Part D claims for 73 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.