NPPES file of Aug 9, 2026

Mark Wong, MD

Internal Medicine Physician · Phoenix, AZ

Mark Wong, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1821054081, issued on Apr 25, 2006. Check the license (Arizona 32916, 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
1821054081
Name
Mark Wong
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
32916 AZ
Self-reported in NPPES; status is on the state search
Practice location
1441 N 12TH St, Phoenix, AZ 85006
Phone
(602) 521-5800
Enumerated
Apr 25, 2006
Record last updated
Dec 2, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(602) 521-5334
Medicaid ID
870304 AZ
Medicare enrollment
Enrolled (PECOS I20040811000294); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2000
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 1441 N 12TH St

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

  1. Rogelio Aguirre, FNPFamily Nurse Practitioner1295420040
  2. Jessica Alfonzo, MDStudent in an Organized Health Care Education/Training Program1295430411
  3. Scott Anderson, L.AC.Acupuncturist1952724759
  4. Olivia Aranda, MSN-FNP-CFamily Nurse Practitioner1164151858
  5. Daniel Aschenbrener, D.O.Orthopaedic Surgery Physician1386600955
  6. Steven Ater, DOObstetrics & Gynecology Physician1487238853

Verify Mark Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 32916
    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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23% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,441 Medicare Part D claims for 273 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Mark Wong2,441
  2. Specialty average3,176

Most prescribed

  1. Tacrolimus311 claims
  2. Mycophenolate Mofetil289 claims
  3. Ursodiol240 claims
  4. Vemlidy120 claims
  5. Fluconazole81 claims
  6. Entecavir74 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): 100 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%75.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $12,792.35

42 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Wong$12,792
  2. Specialty average$1,303

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. Banner - University Super Specialists LLCPhoenix, AZ

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

Mark Wong among 2,853 internal medicine physician records in Arizona

Mark Wong, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2000 · median 2003 among the 1,643 with a school on file
  • Record last updated2016 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

695 internal medicine physician records list a practice address in Phoenix

They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ricardo Celaya, M.D.Phoenix, AZ 850061861476095
  2. Lynn Crocker, D.O.Phoenix, AZ 850061558357947
  3. Charles David, D.O.Phoenix, AZ 850061669447652
  4. Lorna Honan, MDPhoenix, AZ 850061154395531
  5. Holger Kranich, M.D.Phoenix, AZ 850061780660266
  6. Marc Lee, MDPhoenix, AZ 850061962498709
  7. Stephen Leshin, M.D.Phoenix, AZ 850061396742771
  8. Anita Murcko, M.D.Phoenix, AZ 850061477558757

Common questions

What is Mark Wong, MD's NPI number?

Mark Wong, MD's National Provider Identifier (NPI) is 1821054081, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Wong, MD located?

The NPPES record lists a practice address at 1441 N 12TH St, Phoenix, AZ, 85006. Phone: (602) 521-5800. Providers update this record themselves, so call before visiting.

How can I verify Mark Wong, MD's license?

NPPES lists Arizona license number 32916, 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 Mark Wong, MD prescribe under Medicare Part D?

In 2024, Mark Wong, MD had 2,441 Medicare Part D claims for 273 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Mark Wong, MD's MIPS final score?

The 2023 MIPS final score is 100 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.