Josh O. Wallsh, M.D.
Ophthalmology Physician · Torrance, CA
Josh O. Wallsh, M.D. is an ophthalmology physician with a practice address in Torrance, California, and NPI 1740634567, issued on Apr 18, 2016. Check the license (California A184249, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Josh O. Wallsh
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A184249 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4201 Torrance Blvd Ste 220, Torrance, CA 90503
- Phone
- (310) 944-9393
- Enumerated
- Apr 18, 2016
- Record last updated
- Apr 13, 2026
- Fax
- (310) 944-3393
- Medicare enrollment
- Enrolled (PECOS I20230711004444); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 4201 Torrance Blvd Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Grotting, M.D.Ophthalmology Physician1164721619
- Michael Heeg, M.D.Ophthalmology Physician1972555142
- Emily StepheyOptometrist1972012797
Verify Josh O. Wallsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A184249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average ophthalmology physician in 2024
2,160 Medicare Part D claims for 465 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Moxifloxacin478 claims
- Prednisolone Acetate224 claims
- Brimonidine Tartrate189 claims
- Dorzolamide-Timolol152 claims
- Latanoprost147 claims
- Ketorolac Tromethamine140 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): 100 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).
Industry payments in 2024: $877.72
31 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Marshall B Ketchum UniversityLos Angeles, CA
- Retina Macula InstituteTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Josh O. Wallsh among 2,899 ophthalmology physician records in California
Josh O. Wallsh, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 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 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2001 among the 1,907 with a school on file
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Torrance → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Terry Alkana, MDTorrance, CA 905031770666307
- Carol Davis, M.D.Torrance, CA 905031629167531
- Stephen Dinsmore, M.D.Torrance, CA 905031891906707
- Ron Gallemore, MDTorrance, CA 905031912968496
- Michael Harwood, MDTorrance, CA 905031881782894
- Michael Heeg, M.D.Torrance, CA 905031972555142
- Shyun Jeng, M.D.Torrance, CA 905031154375566
- Arbi Khemichian, MDTorrance, CA 905031003056516
Common questions
What is Josh O. Wallsh, M.D.'s NPI number?
Josh O. Wallsh, M.D.'s National Provider Identifier (NPI) is 1740634567, issued on Apr 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Josh O. Wallsh, M.D. located?
The NPPES record lists a practice address at 4201 Torrance Blvd Ste 220, Torrance, CA, 90503. Phone: (310) 944-9393. Providers update this record themselves, so call before visiting.
How can I verify Josh O. Wallsh, M.D.'s license?
NPPES lists California license number A184249, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Josh O. Wallsh, M.D. prescribe under Medicare Part D?
In 2024, Josh O. Wallsh, M.D. had 2,160 Medicare Part D claims for 465 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Josh O. Wallsh, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.