NPPES file of Aug 9, 2026

Mary Katherine Hegarty, PT

Physical Therapist · Lakeside, AZ

Mary Katherine Hegarty, PT is a physical therapist with a practice address in Lakeside, Arizona, and NPI 1215425202, issued on Apr 25, 2018. Check the license (Arizona 1477, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215425202
Name
Mary Katherine Hegarty
Credential
PT
Primary taxonomy
Physical Therapist 225100000X
License number
1477 AZ
Self-reported in NPPES; status is on the state search
Practice location
4830 Highway 260 Ste 105, Lakeside, AZ 85929
Phone
(928) 532-1221
Enumerated
Apr 25, 2018
Record last updated
Apr 25, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180604000946); 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 4830 Highway 260 Ste 105

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

  1. Derek Flake, PTPhysical Therapist1104154269
  2. Kyle Howell, D.P.TPhysical Therapist1497494918
  3. Michele Russell, D.P.T.Physical Therapist1699343558

Verify Mary Katherine Hegarty 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 1477
    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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Bills Medicare through one group practice

  1. White Mountain Physical Therapy LtdOvergaard, AZ

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

Mary Katherine Hegarty among 5,351 physical therapist records in Arizona

Mary Katherine Hegarty, PT is one of 5,351 physical therapist records with a practice address in Arizona. 40% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 57% of them.

  • NPI issued2018 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 40% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1986 · median 2018 among the 2,172 with a school on file
  • Record last updated2018 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 physical therapist records list a practice address in Lakeside

They are 8 of the 79 NPPES records with a practice address in Lakeside, and 5,351 physical therapist records in Arizona.

The 8 physical therapist records with the nearest ZIP codes

  1. Morgan Black, DPTTaylor, AZ 859291730857616
  2. Eric CoxLakeside, AZ 859291275565160
  3. Rachel Ellsworth, PTLakeside, AZ 859291316490949
  4. Derek Flake, PTLakeside, AZ 859291104154269
  5. Kyle Howell, D.P.TLakeside, AZ 859291497494918
  6. Michele Russell, D.P.T.Lakeside, AZ 859291699343558
  7. David Valentine, P.T., D.P.T.Lakeside, AZ 859291629412721
  8. Angela Valentine, P.T., D.P.T.Lakeside, AZ 859291154737625

Common questions

What is Mary Katherine Hegarty, PT's NPI number?

Mary Katherine Hegarty, PT's National Provider Identifier (NPI) is 1215425202, issued on Apr 25, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Hegarty, PT located?

The NPPES record lists a practice address at 4830 Highway 260 Ste 105, Lakeside, AZ, 85929. Phone: (928) 532-1221. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Hegarty, PT's license?

NPPES lists Arizona license number 1477, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

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.