NPPES file of Aug 9, 2026

Loan L. Nguyen, MD

Cardiovascular Disease Physician · Mesa, AZ

Loan L. Nguyen, MD is a cardiovascular disease physician with a practice address in Mesa, Arizona, and NPI 1043273139, issued on Apr 10, 2006. Check the license (Arizona 31515, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043273139
Name
Loan L. Nguyen
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
31515 AZ
Self-reported in NPPES; status is on the state search
Practice location
6750 E Baywood Ave # 301, Mesa, AZ 85206
Phone
(480) 835-6100
Enumerated
Apr 10, 2006
Record last updated
Mar 26, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(480) 461-4261
Medicare enrollment
Enrolled (PECOS I20040426001507); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6750 E Baywood Ave # 301

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

  1. Satya Atmakuri, M.D.Interventional Cardiology Physician1598979668
  2. Arun Kolli, M.D.Clinical Cardiac Electrophysiology Physician1609893502
  3. Todd Perlstein, MDCardiovascular Disease Physician1588623912
  4. Praneet Sharma, M.D.Interventional Cardiology Physician1336313857
  5. Jay Shechter, M.D.Interventional Cardiology Physician1902805880

Verify Loan L. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 31515
    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

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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74% more Medicare Part D claims than the average cardiovascular disease physician in 2024

5,356 Medicare Part D claims for 813 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Loan Nguyen5,356
  2. Specialty average3,078

Most prescribed

  1. Eliquis581 claims
  2. Metoprolol Succinate523 claims
  3. Atorvastatin Calcium461 claims
  4. Rosuvastatin Calcium325 claims
  5. Metoprolol Tartrate297 claims
  6. Losartan Potassium272 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 practice group's MIPS final score for 2023 (Medicare payment program): 82 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.8
  2. Costout of 100 · 30%67.9
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $111.87

4 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. 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.

  1. Loan Nguyen$111.87
  2. Specialty average$3,819.56

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

  1. Tri-City Cardiology Consultants PCMesa, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Loan L. Nguyen among 488 cardiovascular disease physician records in Arizona

Loan L. Nguyen, 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 2006, is newer than 23% of them.

  • NPI issued2006 · 23% of these records are older, 42% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1997 · median 1998 among the 329 with a school on file
  • Record last updated2014 · 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.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Rodrigo Chan, MDMesa, AZ 852061659349512
  2. Alan Grossman, MDMesa, AZ 852061699770289
  3. Jay Jacobs, MDMesa, AZ 852061811965759
  4. Ryk Linden, MDMesa, AZ 852061336117308
  5. Michael O'Meara, MDMesa, AZ 852061427026491
  6. Edward Perlstein, MDMesa, AZ 852061164490124
  7. Todd Perlstein, MDMesa, AZ 852061588623912
  8. Thomas Ritchie, MDMesa, AZ 852061760459945

Common questions

What is Loan L. Nguyen, MD's NPI number?

Loan L. Nguyen, MD's National Provider Identifier (NPI) is 1043273139, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Loan L. Nguyen, MD located?

The NPPES record lists a practice address at 6750 E Baywood Ave # 301, Mesa, AZ, 85206. Phone: (480) 835-6100. Providers update this record themselves, so call before visiting.

How can I verify Loan L. Nguyen, MD's license?

NPPES lists Arizona license number 31515, 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 Loan L. Nguyen, MD prescribe under Medicare Part D?

In 2024, Loan L. Nguyen, MD had 5,356 Medicare Part D claims for 813 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Loan L. Nguyen, MD's MIPS final score?

The 2023 MIPS final score is 82 of 100, reported for the practice group. 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.