Alex Joseph Mersch, PT, DPT
Physical Therapist · Lake Forest, CA
Alex Joseph Mersch, PT, DPT is a physical therapist with a practice address in Lake Forest, California, and NPI 1477092195, issued on Feb 14, 2017. Check the license (California 291652, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alex Joseph Mersch
- Credential
- PT, DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 291652 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24301 Muirlands Blvd, Lake Forest, CA 92630
- Phone
- (949) 271-0012
- Enumerated
- Feb 14, 2017
- Record last updated
- Feb 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (949) 271-0013
- Medicare enrollment
- Enrolled (PECOS I20170310002100); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 22,531 in California → Look up another NPI →
Also registered at 24301 Muirlands Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Chung, PT, DPTPhysical Therapist1144180035
Verify Alex Joseph Mersch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 291652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 66.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Coury And Buehler Physical Therapy Inc.Orange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alex Joseph Mersch among 22,531 physical therapist records in California
Alex Joseph Mersch, PT, 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 2017, is newer than 56% of them.
- NPI issued2017 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2016 · median 2017 among the 7,751 with a school on file
- Record last updated2017 · 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).
38 physical therapist records list a practice address in Lake Forest
They are 38 of the 1,008 NPPES records with a practice address in Lake Forest, and 22,531 physical therapist records in California.
All 22,531 in California → Every provider in Lake Forest → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Jacob Caldwell, RPTLake Forest, CA 926301750561775
- Lisa Campbell, PTLake Forest, CA 926301982781266
- Carol Chen, PTLake Forest, CA 926301306096292
- Anna Cho, MPTLake Forest, CA 926301275775926
- Warren Comstock, MPTLake Forest, CA 926301659424208
- Isabel Hui, PTLake Forest, CA 926301447552658
- Joann Jorgenson, PTLake Forest, CA 926301154331643
- Carolyn Kopper, P.T.Lake Forest, CA 926301497805279
Common questions
What is Alex Joseph Mersch, PT, DPT's NPI number?
Alex Joseph Mersch, PT, DPT's National Provider Identifier (NPI) is 1477092195, issued on Feb 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alex Joseph Mersch, PT, DPT located?
The NPPES record lists a practice address at 24301 Muirlands Blvd, Lake Forest, CA, 92630. Phone: (949) 271-0012. Providers update this record themselves, so call before visiting.
How can I verify Alex Joseph Mersch, PT, DPT's license?
NPPES lists California license number 291652, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Alex Joseph Mersch, PT, DPT's MIPS final score?
The 2023 MIPS final score is 66.2 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.