Ophthalmology
Dr. Josh O. Wallsh, MD
- Medicare services, 2024
- 17,307
- Medicare patients, 2024
- 757
- Part D claims, 2024
- 2,160
- Publications
- 16
- MIPS score, 2024
- 100
- Practice address
- 4201 Torrance Blvd, Torrance, CA 90503
- Practice phone
- Call (310) 540-0144
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Seaside Surgical Center Inc
Torrance, California
Find Dr. Wallsh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Josh O. Wallsh is an ophthalmologist in Torrance, California
Dr. Wallsh practices at Seaside Surgical Center Inc in Torrance, California.
Dr. Wallsh's NPI, 1740634567, was assigned on April 18, 2016. Dr. Wallsh graduated from Albany Medical College in 2016. Dr. Wallsh's New York license number on file is 290563.
- NPI
- 1740634567NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820383946
- NPI enumeration date
- April 18, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 540-0144
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Josh O. Wallsh practices at Seaside Surgical Center Inc in Torrance, California
Dr. Wallsh's primary practice is Seaside Surgical Center Inc, at 4201 Torrance Blvd, Torrance, CA 90503 in Los Angeles County. The practice phone is (310) 540-0144.
- Seaside Surgical Center Inc4201 Torrance Blvd, Torrance, CA 90503 · Los Angeles CountyPhone(310) 540-0144
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Josh O. Wallsh is affiliated with 4 sites of care and 2 medical groups
Dr. Wallsh's primary practice is Seaside Surgical Center Inc in Torrance, California. Dr. Wallsh is also affiliated with Torrance Memorial Medical Center. Dmand AI also links Dr. Wallsh to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Josh O. Wallsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallsh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seaside Surgical Center Inc | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Josh O. Wallsh is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Wallsh's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Wallsh is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Wallsh's licenses on file in 3 states: New York, California and Vermont.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
- California license
- Vermont license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, dry eye, glaucoma, glaucoma surgery, hypertensive retinopathy and inflammation of iris among the conditions Dr. Wallsh treats.
Ophthalmologists near Dr. Wallsh
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Josh O. Wallsh billed Medicare for 17,307 services in 2024
CMS data shows 17,307 Medicare services from Dr. Wallsh across 25 procedure codes in 2024, for 757 Medicare patients. Medicare paid $1,834,586 for them. Every service was in an office.
Dr. Wallsh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,0052024: 10,732968%
- Tests and treatments
- 2023: 2,2422024: 4,511101%
- Surgery
- 2023: 6982024: 1,35394%
- Other services
- 2023: 02024: 531
- Imaging
- 2023: 702024: 12883%
- Office and hospital visits
- 2023: 372024: 5241%
Dr. Wallsh compared with the California median for ophthalmologists, 2024
- Dr. Wallsh
- California median
- Medicare services
- 17,307vs 1,07916.0 times
- Medicare patients
- 757vs 42180% above
- Part D claims
- 2,028vs 6183.3 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Wallsh's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Wallsh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wallsh and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Josh O. Wallsh treated 757 Medicare patients in 2024, average age 75
CMS counts 757 Medicare patients who saw Dr. Wallsh in 2024. The largest group is 65 to 74, with 315 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Wallsh's median patient age at 59, with 58% women.
Dr. Wallsh's Medicare patients by age, 2024
Dr. Wallsh's Medicare patients by sex, 2024
- Women42456%
- Men33344%
Chronic conditions among Dr. Wallsh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Diabetes42%
- Chronic kidney disease26%
- Ischemic heart disease26%
- Osteoporosis20%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wallsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Josh O. Wallsh wrote 2,160 Medicare Part D claims in 2024
In 2024, Dr. Wallsh wrote 2,160 Medicare Part D claims for 465 patients. 67% of them were for generic drugs. CMS names the drug for 2,028 of them, across 25 drugs with 11 or more claims each, at $157,831 in total drug cost. In 2023, CMS named 442 claims across 15 drugs.
Dr. Wallsh's Part D claims by kind of drug, 2024
- Generic1,446 claims67%
- Brand-name714 claims33%
Dr. Wallsh's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4422024: 2,028359%
Drugs named by CMS: 25 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Josh O. Wallsh scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Wallsh for performance year 2024, reported as part of a group. Dr. Wallsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Wallsh's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Josh O. Wallsh has 16 publications on record
Dmand AI links 16 papers to Dr. Wallsh, published from 2016 to 2023. 2020 was the busiest year, with 4. The most frequent topics are Tomography, Optical Coherence, Angiogenesis Inhibitors and Intraocular Pressure. Dr. Wallsh has published most often in Clin Ophthalmol. Dr. Wallsh's most frequent co-authors are Ron P. Gallemore, MD, Masumi George Asahi, DO and Behnam Sharareh, MD.
Dr. Wallsh's papers by year, 2016 to 2023
Topics Dr. Wallsh writes about most
- Tomography, Optical Coherence
- Angiogenesis Inhibitors
- Intraocular Pressure
- Intravitreal Injections
- Retinal Vein Occlusion
- Visual Acuity
Dr. Wallsh's most frequent co-authors
- Ron P. Gallemore, MD14 shared papers
- Masumi George Asahi, DO5 shared papers
- Behnam Sharareh, MD3 shared papers
Recent publications by Dr. Wallsh
Expert Opin Emerg Drugs
See who Dr. Wallsh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wallsh works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Josh O. Wallsh received $2,156 in industry payments from 2020 to 2025
CMS Open Payments shows 63 general payments to Dr. Wallsh from 17 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $872.
General payments to Dr. Wallsh by program year, 2020 to 2025
Companies that paid Dr. Wallsh the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Josh O. Wallsh graduated from Albany Medical College
Dr. Wallsh graduated from Albany Medical College in 2016.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Josh O. Wallsh accepts plans from 22 insurance carriers
Dr. Wallsh is in network with 22 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- +14 more carriersWith a free account
Plan types Dr. Wallsh accepts, by number of carriers
- Medicare13
- PPO13
- HMO10
- EPO6
- POS6
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Josh O. Wallsh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Josh O. Wallsh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Josh O. Wallsh's NPI number?
Dr. Josh O. Wallsh's NPI number is 1740634567. It was assigned on April 18, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Josh O. Wallsh?
Dr. Josh O. Wallsh is an ophthalmologist in Torrance, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Josh O. Wallsh practice?
Dr. Wallsh practices at 4201 Torrance Blvd, Torrance, CA 90503. Dr. Wallsh's primary practice is Seaside Surgical Center Inc in Torrance, California. Dmand AI also links Dr. Wallsh to 2 group practices and clinics and 2 medical groups.
What is Dr. Josh O. Wallsh's office phone number?
The practice phone on file for Dr. Wallsh is (310) 540-0144.
What is Dr. Josh O. Wallsh's medical license number?
Dr. Wallsh's New York license number on file is 290563, one of the licenses on file in 3 states.
Which states has Dr. Josh O. Wallsh been licensed in?
Dmand AI has state licenses on file for Dr. Wallsh in New York (2017 to 2024), California (2023 to 2027) and Vermont (2021 to 2023).
Which hospitals is Dr. Josh O. Wallsh affiliated with?
Dr. Wallsh is affiliated with Torrance Memorial Medical Center.
Does Dr. Josh O. Wallsh accept Medicare?
Yes. CMS data shows Dr. Wallsh billed Medicare for 17,307 services in 2024, and Dr. Wallsh accepts Medicare assignment.
What is Dr. Josh O. Wallsh's MIPS score?
Dr. Wallsh's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Josh O. Wallsh see?
CMS counts 757 Medicare patients who saw Dr. Wallsh in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Josh O. Wallsh board certified?
Yes. Dr. Wallsh is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Josh O. Wallsh bill to Medicare?
In 2024, Dr. Wallsh's most billed Medicare services were injected or infused drug (J2777), injected or infused drug (J2782) and eye exam or test (92134).
Where did Dr. Josh O. Wallsh go to medical school?
Dr. Wallsh graduated from Albany Medical College in 2016.
What drugs does Dr. Josh O. Wallsh prescribe most?
In 2024 Medicare Part D data, Dr. Wallsh's most prescribed drugs by claims were Moxifloxacin, Prednisolone Acetate and Dorzolamide-Timolol.
Has Dr. Josh O. Wallsh received payments from drug or device companies?
CMS Open Payments shows $2,156 in general payments to Dr. Wallsh from 17 companies from 2020 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Josh O. Wallsh been practicing?
Dr. Wallsh graduated from medical school in 2016, 10 years ago.
Does Dr. Josh O. Wallsh do research?
Dmand AI links 16 publications to Dr. Wallsh, published from 2016 to 2023.
Who does Dr. Josh O. Wallsh publish with?
Dr. Wallsh's most frequent co-authors are Ron P. Gallemore, MD (14 shared papers), Masumi George Asahi, DO (5 shared papers) and Behnam Sharareh, MD (3 shared papers).
What insurance does Dr. Josh O. Wallsh accept?
Dr. Wallsh is in network with 22 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.
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