Andrew Robert Williams, MD
Cardiovascular Disease Physician · Mesa, AZ
Andrew Robert Williams, MD is a cardiovascular disease physician with a practice address in Mesa, Arizona, and NPI 1548505142, issued on Dec 7, 2012. Check the license (Arizona 53167, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Robert Williams
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 53167 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 6309 E Baywood Ave Ste 101, Mesa, AZ 85206
- Phone
- (480) 641-5400
- Enumerated
- Dec 7, 2012
- Record last updated
- Jun 25, 2025
- Fax
- (480) 218-4353
- Medicare enrollment
- Enrolled (PECOS I20170120000732); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 488 in Arizona → Look up another NPI →
Also registered at 6309 E Baywood Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alphonse Ambrosia, D.O.Interventional Cardiology Physician1598736126
- David Bell, DOCardiovascular Disease Physician1518060938
- Amy Daliman, D.O.Cardiovascular Disease Physician1326333733
- Rachel Debenham, MDInterventional Cardiology Physician1992237226
- Santosh Desai, DOCardiovascular Disease Physician1477852010
- Alan Grossman, MDCardiovascular Disease Physician1699770289
Verify Andrew Robert Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 53167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,774 Medicare Part D claims for 581 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium369 claims
- Metoprolol Succinate223 claims
- Eliquis177 claims
- Amlodipine Besylate167 claims
- Losartan Potassium163 claims
- Metoprolol Tartrate155 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $267.43
13 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cardiovascular Associates OF Mesa PCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Robert Williams among 488 cardiovascular disease physician records in Arizona
Andrew Robert Williams, MD is one of 488 cardiovascular disease physician records with a practice address in Arizona. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2012 · median 1998 among the 329 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Arizona
There are 488 cardiovascular disease physician records in Arizona.
All 488 in Arizona → Every provider in Mesa → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Rodrigo Chan, MDMesa, AZ 852061659349512
- Alan Grossman, MDMesa, AZ 852061699770289
- Jay Jacobs, MDMesa, AZ 852061811965759
- Ryk Linden, MDMesa, AZ 852061336117308
- Loan Nguyen, MDMesa, AZ 852061043273139
- Michael O'Meara, MDMesa, AZ 852061427026491
- Edward Perlstein, MDMesa, AZ 852061164490124
- Todd Perlstein, MDMesa, AZ 852061588623912
Common questions
What is Andrew Robert Williams, MD's NPI number?
Andrew Robert Williams, MD's National Provider Identifier (NPI) is 1548505142, issued on Dec 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Robert Williams, MD located?
The NPPES record lists a practice address at 6309 E Baywood Ave Ste 101, Mesa, AZ, 85206. Phone: (480) 641-5400. Providers update this record themselves, so call before visiting.
How can I verify Andrew Robert Williams, MD's license?
NPPES lists Arizona license number 53167, 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 Andrew Robert Williams, MD prescribe under Medicare Part D?
In 2024, Andrew Robert Williams, MD had 2,774 Medicare Part D claims for 581 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Andrew Robert Williams, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.