NPPES file of Aug 9, 2026

Matthew Charles Kirsten, DPT

Physical Therapist · Mission Viejo, CA

Matthew Charles Kirsten, DPT is a physical therapist with a practice address in Mission Viejo, California, and NPI 1255720686, issued on Jan 22, 2015. Check the license (California 42121, as entered in NPPES) with the California 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255720686
Name
Matthew Charles Kirsten
Credential
DPT
Primary taxonomy
Physical Therapist 225100000X
License number
42121 CA
Self-reported in NPPES; status is on the state search
Practice location
26302 LA Paz RD, Mission Viejo, CA 92691
Phone
(949) 206-1700
Enumerated
Jan 22, 2015
Record last updated
Jan 22, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(949) 206-1800
Medicare enrollment
Enrolled (PECOS I20150313002345); 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 26302 LA Paz RD

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

  1. Vivienne Allen, DDSGeneral Practice Dentistry1750415196
  2. Margaret Almajano, DMDGeneral Practice Dentistry1518984426
  3. Eduard Balasanian, D.D.S., M.D.Oral and Maxillofacial Surgery (Dentist)1346387362
  4. Nina Bhatt, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1023028453
  5. Nicholas Caplanis, D.M.D., M.S.Periodontics1649483207
  6. Andrew Choi, DDSGeneral Practice Dentistry1083650493

Verify Matthew Charles Kirsten in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 42121
    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 California 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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The practice group's MIPS final score for 2023 (Medicare payment program): 88.9 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 score86.9
  2. Costnot scored (reweighted)
  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. Impact Phytherapy And Performance Fna KO Golf Performance And PT PCLaguna Niguel, CA
  2. Lakeside Physical Therapy IncMission Viejo, CA

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

Matthew Charles Kirsten among 22,531 physical therapist records in California

Matthew Charles Kirsten, DPT is one of 22,531 physical therapist records with a practice address in California. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 48% of them.

  • NPI issued2015 · 48% of these records are older, 48% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2014 · median 2017 among the 7,751 with a school on file
  • Record last updated2015 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

79 physical therapist records list a practice address in Mission Viejo

They are 79 of the 2,156 NPPES records with a practice address in Mission Viejo, and 22,531 physical therapist records in California.

The 8 physical therapist records with the nearest ZIP codes

  1. Laurie Boulware, PT, DPT, CSCSMission Viejo, CA 926911093753741
  2. Charles Fehrenbach, P.T., A.T., C.Mission Viejo, CA 926911538154273
  3. Justin Fesler, DPTMission Viejo, CA 926911902987100
  4. Jeanne Hicks, DPTMission Viejo, CA 926911861435265
  5. Timothy Klein-Mohr, PTAMission Viejo, CA 926911437197548
  6. Carlos Lavayen, DPT ECSMission Viejo, CA 926911003979493
  7. Michael Maga, MPTMission Viejo, CA 926911225066657
  8. Scott Moncrief, P.T.Mission Viejo, CA 926911760415566

Common questions

What is Matthew Charles Kirsten, DPT's NPI number?

Matthew Charles Kirsten, DPT's National Provider Identifier (NPI) is 1255720686, issued on Jan 22, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Charles Kirsten, DPT located?

The NPPES record lists a practice address at 26302 LA Paz RD, Mission Viejo, CA, 92691. Phone: (949) 206-1700. Providers update this record themselves, so call before visiting.

How can I verify Matthew Charles Kirsten, DPT's license?

NPPES lists California license number 42121, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Matthew Charles Kirsten, DPT's MIPS final score?

The 2023 MIPS final score is 88.9 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.