NPPES file of Aug 9, 2026

Vincent Liou, PA-C

Endocrinology, Diabetes & Metabolism Physician · Scottsdale, AZ

Vincent Liou, PA-C is an endocrinology, diabetes & metabolism physician with a practice address in Scottsdale, Arizona, and NPI 1427584473, issued on May 11, 2017. Check the license (Arizona 6691, as entered in NPPES) on the Arizona Medical Board; 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
1427584473
Name
Vincent Liou
Credential
PA-C
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
6691 AZ
Self-reported in NPPES; status is on the state search
Practice location
9328 E Raintree Dr, Scottsdale, AZ 85260
Phone
(602) 266-8463
Enumerated
May 11, 2017
Record last updated
Oct 17, 2024
Fax
(602) 266-0122
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 9328 E Raintree Dr

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

  1. Abdul-Razzak Alamir, MDEndocrinology, Diabetes & Metabolism Physician1841263662
  2. Eryn Berry, NP-CEndocrinology, Diabetes & Metabolism Physician1609127398
  3. Kimberlee Brontsema, PA-CEndocrinology, Diabetes & Metabolism Physician1891786422
  4. Deborah Burns, FNP-C, CDEEndocrinology, Diabetes & Metabolism Physician1932522836
  5. Chen ChenPhysician Assistant1538788401
  6. Anuja Choure, M.DEndocrinology, Diabetes & Metabolism Physician1437323623

Verify Vincent Liou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 6691
    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
Open the Arizona license search

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59% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,078 Medicare Part D claims for 438 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Vincent Liou1,078
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium190 claims
  2. Rosuvastatin Calcium76 claims
  3. Metformin Hcl70 claims
  4. Atorvastatin Calcium50 claims
  5. Synthroid37 claims
  6. Lantus Solostar36 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.

Industry payments in 2024: $210.09

13 payments; by number, the most common kind was food and beverage; the largest payer was Beta Bionics, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vincent Liou$210.09
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Vincent Liou among 175 endocrinology, diabetes & metabolism physician records in Arizona

Vincent Liou, PA-C is one of 175 endocrinology, diabetes & metabolism physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.

  • NPI issued2017 · 78% of these records are older, 16% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2024 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Arizona

There are 175 endocrinology, diabetes & metabolism physician records in Arizona.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Abdul-Razzak Alamir, MDScottsdale, AZ 852601841263662
  2. Eryn Berry, NP-CScottsdale, AZ 852601609127398
  3. Kimberlee Brontsema, PA-CScottsdale, AZ 852601891786422
  4. Deborah Burns, FNP-C, CDEScottsdale, AZ 852601932522836
  5. Anuja Choure, M.DScottsdale, AZ 852601437323623
  6. Daniel Duick, MDScottsdale, AZ 852601215043195
  7. Andrea Ferenczi, MDScottsdale, AZ 852601700836582
  8. Theresa Frimel, NP-CScottsdale, AZ 852601992133086

Common questions

What is Vincent Liou, PA-C's NPI number?

Vincent Liou, PA-C's National Provider Identifier (NPI) is 1427584473, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Vincent Liou, PA-C located?

The NPPES record lists a practice address at 9328 E Raintree Dr, Scottsdale, AZ, 85260. Phone: (602) 266-8463. Providers update this record themselves, so call before visiting.

How can I verify Vincent Liou, PA-C's license?

NPPES lists Arizona license number 6691, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vincent Liou, PA-C prescribe under Medicare Part D?

In 2024, Vincent Liou, PA-C had 1,078 Medicare Part D claims for 438 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.