NPPES file of Aug 9, 2026

Hout Chao

Pharmacist · Oro Valley, AZ

Hout Chao is a pharmacist with a practice address in Oro Valley, Arizona, and NPI 1982011169, issued on Jul 19, 2014. Check the license (Arizona S020625, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982011169
Name
Hout Chao
Primary taxonomy
Pharmacist 183500000X
License number
S020625 AZ
Self-reported in NPPES; status is on the state search
Practice location
11951 N 1St Ave, Oro Valley, AZ 85737
Phone
(520) 531-8964
Enumerated
Jul 19, 2014
Record last updated
Jul 19, 2014 (not updated in 12 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 11951 N 1St Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amelia Barragan, PHARMDPharmacist1942500061
  2. Michelle Porter, R.PH.Pharmacist1700116951
  3. Laura Tobin, PHARM.DPharmacist1679861470
  4. Jennifer Vince, PHARMDPharmacist1588995344

Verify Hout Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license S020625
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs

168 Medicare Part D claims for 140 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.

  1. Hout Chao168
  2. Specialty average119

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.

  1. Shingrix71 claims
  2. Arexvy46 claims
  3. Abrysvo24 claims
  4. Boostrix Tdap22 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.

60 pharmacist records list a practice address in Oro Valley

They are 60 of the 542 NPPES records with a practice address in Oro Valley, and 6,746 pharmacist records in Arizona.

Other pharmacist records in Arizona

  1. Rooney Aago, RPHPhoenix, AZ1538713482
  2. Sandra Aasen, RPHTempe, AZ1033037403
  3. Maria Rosalie AbadLake Havasu City, AZ1003495177
  4. Jesse AbahPhoenix, AZ1902790298
  5. Dustin Abaonza, PHARM DTuba City, AZ1063774057
  6. Kristin AbaonzaTuba City, AZ1255643458
  7. Soraya AbasiScottsdale, AZ1558072991
  8. Hazem Abawi, PHARMDTempe, AZ1659712404
  9. Muhannad Abawi, PHARM DGilbert, AZ1477884344
  10. Tareq AbawiGilbert, AZ1366838682

Common questions

What is Hout Chao's NPI number?

Hout Chao's National Provider Identifier (NPI) is 1982011169, issued on Jul 19, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Hout Chao located?

The NPPES record lists a practice address at 11951 N 1St Ave, Oro Valley, AZ, 85737. Phone: (520) 531-8964. Providers update this record themselves, so call before visiting.

How can I verify Hout Chao's license?

NPPES lists Arizona license number S020625, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Hout Chao prescribe under Medicare Part D?

In 2024, Hout Chao had 168 Medicare Part D claims for 140 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.