NPPES file of Aug 9, 2026

Calen Lemay Harding, PA-C

Medical Physician Assistant · Tucson, AZ

Calen Lemay Harding, PA-C is a medical physician assistant with a practice address in Tucson, Arizona, and NPI 1447879317, issued on Apr 10, 2020. Check the license (Arizona 8090, as entered in NPPES) with the Arizona board that licenses this profession; 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
1447879317
Name
Calen Lemay Harding
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
8090 AZ
PA61233450 WA
Self-reported in NPPES; status is on the state search
Practice location
5301 E Grant RD, Tucson, AZ 85712
Phone
(520) 324-1922
Enumerated
Apr 10, 2020
Record last updated
Apr 6, 2026
Medicaid ID
2271160 WA
Medicare enrollment
Enrolled (PECOS I20201020002890); 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 5301 E Grant RD

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

  1. Daniel Aaronson, MDInternal Medicine Physician1134865355
  2. Ahmed AbuawadInternal Medicine Physician1326533431
  3. Seyedeh Atiyeh Afjei, MDStudent in an Organized Health Care Education/Training Program1477356160
  4. Chiamaka Agu, PHARMDStudent in an Organized Health Care Education/Training Program1215723820
  5. Edgar Aguayo, MDStudent in an Organized Health Care Education/Training Program1174325245
  6. Rand Al-Ani, MDStudent in an Organized Health Care Education/Training Program1528908928

Verify Calen Lemay Harding in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 8090
    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
Find 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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80% fewer Medicare Part D claims than the average medical physician assistant in 2024

235 Medicare Part D claims for 97 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Calen Harding235
  2. Specialty average1,148

Most prescribed

  1. Amoxicillin-Clavulanate Potass13 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): 97.8 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 score100.0
  2. Costout of 100 · 30%92.5
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through 2 group practices

  1. Connections Southernaz, LLCTucson, AZ
  2. EL Rio Santa Cruz Neighborhood Health Center, Inc.Tucson, AZ

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

Calen Lemay Harding among 996 medical physician assistant records in Arizona

Calen Lemay Harding, PA-C is one of 996 medical physician assistant 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 2020, is newer than 80% of them.

  • NPI issued2020 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2020 · median 2012 among the 541 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Arizona

There are 996 medical physician assistant records in Arizona.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Michelle Bertolino-Thomas, PA - CTucson, AZ 857121841285699
  2. William Brennan, P.A.-CTucson, AZ 857121336231869
  3. Liza Byrne, PA-CTucson, AZ 857121255592507
  4. Deva Chan, PA-CTucson, AZ 857121871735035
  5. Anita Chapman, PA-CTucson, AZ 857121346225737
  6. Stephen Cox, PACTucson, AZ 857121295915353
  7. Karen Damgaard, PA-CTucson, AZ 857121376600171
  8. Robyn De Stefano, R.P.A.-C.Tucson, AZ 857121073613261

Common questions

What is Calen Lemay Harding, PA-C's NPI number?

Calen Lemay Harding, PA-C's National Provider Identifier (NPI) is 1447879317, issued on Apr 10, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Calen Lemay Harding, PA-C located?

The NPPES record lists a practice address at 5301 E Grant RD, Tucson, AZ, 85712. Phone: (520) 324-1922. Providers update this record themselves, so call before visiting.

How can I verify Calen Lemay Harding, PA-C's license?

NPPES lists Arizona license number 8090, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Calen Lemay Harding, PA-C prescribe under Medicare Part D?

In 2024, Calen Lemay Harding, PA-C had 235 Medicare Part D claims for 97 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Calen Lemay Harding, PA-C's MIPS final score?

The 2023 MIPS final score is 97.8 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.