NPPES file of Aug 9, 2026

Catherine Ping Chen-Tsai, M.D.

Dermatology Physician · Scottsdale, AZ

Catherine Ping Chen-Tsai, M.D. is a dermatology physician with a practice address in Scottsdale, Arizona, and NPI 1417054198, issued on Sep 17, 2006. Check the license (Arizona 35121, 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
1417054198
Name
Catherine Ping Chen-Tsai
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
35121 AZ
Self-reported in NPPES; status is on the state search
Practice location
7337 E 2ND St, Scottsdale, AZ 85251
Phone
(480) 712-8741
Enumerated
Sep 17, 2006
Record last updated
Feb 23, 2026
Fax
(480) 712-9518
Medicaid IDs
229548 AZ
848200 AZ
Medicare enrollment
Enrolled (PECOS I20061030000583); accepts Medicare assignment
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 7337 E 2ND St

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

  1. Maria Bautista-Perez, ANP-CAdult Health Nurse Practitioner1568583441
  2. Martin Nunez, MDDermatology Physician1306342811
  3. Maya Thosani, MD, FAAD, FACMSDermatology Physician1528248747
  4. Katerina Warda, DODermatology Physician1629607635
  5. Megan Yanno, PA-CMedical Physician Assistant1366709578

Verify Catherine Ping Chen-Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 35121
    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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42% more Medicare Part D claims than the average dermatology physician in 2024

1,135 Medicare Part D claims for 535 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Catherine Chen-Tsai1,135
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide286 claims
  2. Ketoconazole170 claims
  3. Clobetasol Propionate140 claims
  4. Terbinafine Hcl103 claims
  5. Mupirocin82 claims
  6. Hydrocortisone52 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): 77.6 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 score47.4
  2. Costout of 100 · 30%78.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  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: $2,719.20

116 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Chen-Tsai$2,719.20
  2. Specialty average$8,544.61

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. Arizona Center For Hematology And Oncology PLCScottsdale, AZ

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

Catherine Ping Chen-Tsai among 350 dermatology physician records in Arizona

Catherine Ping Chen-Tsai, M.D. is one of 350 dermatology physician records with a practice address in Arizona. 79% 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, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2002 · median 2008 among the 241 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Arizona

There are 350 dermatology physician records in Arizona.

The 8 dermatology physician records with the nearest ZIP codes

  1. Debi Layton, MDScottsdale, AZ 852511871618132
  2. Jennifer Linder, M.D.Scottsdale, AZ 852511275559023
  3. David Mowbray, M.D.Scottsdale, AZ 852511881629699
  4. Martin Nunez, MDScottsdale, AZ 852511306342811
  5. Neil Superfon, D.O.Scottsdale, AZ 852511588610422
  6. Maya Thosani, MD, FAAD, FACMSScottsdale, AZ 852511528248747
  7. Katerina Warda, DOScottsdale, AZ 852511629607635
  8. Glenn Yarbrough, M.D.Scottsdale, AZ 852511427160548

Common questions

What is Catherine Ping Chen-Tsai, M.D.'s NPI number?

Catherine Ping Chen-Tsai, M.D.'s National Provider Identifier (NPI) is 1417054198, issued on Sep 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Ping Chen-Tsai, M.D. located?

The NPPES record lists a practice address at 7337 E 2ND St, Scottsdale, AZ, 85251. Phone: (480) 712-8741. Providers update this record themselves, so call before visiting.

How can I verify Catherine Ping Chen-Tsai, M.D.'s license?

NPPES lists Arizona license number 35121, 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 Catherine Ping Chen-Tsai, M.D. prescribe under Medicare Part D?

In 2024, Catherine Ping Chen-Tsai, M.D. had 1,135 Medicare Part D claims for 535 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Catherine Ping Chen-Tsai, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.6 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.