Dr. Justin Wu, DO
- Medicare services, 2024
- 1,130
- Medicare patients, 2024
- 139
- Part D claims, 2024
- 3,873
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 5451 La Palma Ave, La Palma, CA 90623
- Practice phone
- Call (714) 670-1340
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arthritis and Osteoporosis Medical Center, Inc
La Palma, California
Find Dr. Wu'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. Justin Wu is an internist in La Palma, California
Dr. Wu practices at Arthritis and Osteoporosis Medical Center, Inc in La Palma, California.
Dr. Wu's NPI, 1174824841, was assigned on November 10, 2010. Dr. Wu holds California license 20A11281.
- NPI
- 1174824841NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608046172
- NPI enumeration date
- November 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 670-1340
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Wu practices at Arthritis and Osteoporosis Medical Center, Inc in La Palma, California
Dr. Wu's primary practice is Arthritis and Osteoporosis Medical Center, Inc, at 5451 La Palma Ave, La Palma, CA 90623 in Orange County. The practice phone is (714) 670-1340.
- Arthritis and Osteoporosis Medical Center, Inc5451 La Palma Ave, La Palma, CA 90623 · Orange CountyPhone(714) 670-1340
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Justin Wu is affiliated with 3 sites of care and 1 medical group
Dr. Wu's primary practice is Arthritis and Osteoporosis Medical Center, Inc in La Palma, California. Dr. Wu is also affiliated with Alhambra Hospital Medical Center. The medical group on file is Arthritis and Osteoporosis Medical Center. Dmand AI also links Dr. Wu to 1 more group practice or clinic, 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. Justin Wu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arthritis and Osteoporosis Medical Center, Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Justin Wu is one of 16,751 internists in California
Internal medicine is Dr. Wu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wu is board certified in rheumatology by the American Board of Internal Medicine. Dmand AI has Dr. Wu's licenses on file in 2 states: California and Louisiana.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Louisiana license
Clinical focus
Dmand AI lists arthritis, hand joint or tendon inflammation, joint pain, lower back pain, muscle pain, fibromyalgia, and limb pain, osteoporosis and rheumatoid arthritis among the conditions Dr. Wu treats.
Internists near Dr. Wu
Counts of internists 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. Justin Wu billed Medicare for 1,130 services in 2024
CMS data shows 1,130 Medicare services from Dr. Wu across 6 procedure codes in 2024, for 139 Medicare patients. Medicare paid $31,544 for them. Every service was in an office.
Dr. Wu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 860
- Office and hospital visits
- 2023: 552024: 181229%
- Tests and treatments
- 2023: 02024: 36
- Surgery
- 2023: 02024: 34
- Imaging
- 2023: 02024: 19
Dr. Wu compared with the California median for internists, 2024
- Dr. Wu
- California median
- Medicare services
- 1,130vs 3613.1 times
- Medicare patients
- 139vs 1518% below
- Part D claims
- 3,660vs 4218.7 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Wu'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin Wu treated 139 Medicare patients in 2024, average age 70
CMS counts 139 Medicare patients who saw Dr. Wu in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have arthritis, and 75% have high cholesterol. 84% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wu's median patient age at 59, with 82% women.
Dr. Wu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wu's Medicare patients by sex, 2024
- Women11482%
- Men2518%
Chronic conditions among Dr. Wu's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Osteoporosis53%
- Diabetes37%
- Chronic kidney disease26%
- Mood disorders21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wu'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
- Women82%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin Wu wrote 3,873 Medicare Part D claims in 2024
In 2024, Dr. Wu wrote 3,873 Medicare Part D claims for 488 patients. 75% of them were for generic drugs. CMS names the drug for 3,660 of them, across 49 drugs with 11 or more claims each, at $3,612,618 in total drug cost. In 2023, CMS named 3,802 claims across 51 drugs.
Dr. Wu's Part D claims by kind of drug, 2024
- Generic2,908 claims75%
- Brand-name and other965 claims25%
Dr. Wu'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: 3,8022024: 3,6604%
Drugs named by CMS: 49 in 2024, 51 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. Justin Wu 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. Wu for performance year 2024, reported as part of a group. Dr. Wu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Wu's MIPS scores, performance year 2024
- 100of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 89of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Justin Wu received $19,182 in industry payments from 2016 to 2025
CMS Open Payments shows 1,196 general payments to Dr. Wu from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $2,985.
General payments to Dr. Wu by program year, 2016 to 2025
General payments to Dr. Wu by kind, 2016 to 2025
- Food and beverage$19,161100%
- Education$210%
Companies that paid Dr. Wu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Justin Wu is board certified in rheumatology
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Justin Wu accepts plans from 10 insurance carriers
Dr. Wu is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +2 more carriersWith a free account
Plan types Dr. Wu accepts, by number of carriers
- Medicare8
- HMO6
- PPO6
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Justin Wu'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) |
| 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. Justin Wu
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. Justin Wu's NPI number?
Dr. Justin Wu's NPI number is 1174824841. It was assigned on November 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin Wu?
Dr. Justin Wu is an internist in La Palma, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Justin Wu practice?
Dr. Wu practices at 5451 La Palma Ave, La Palma, CA 90623. Dr. Wu's primary practice is Arthritis and Osteoporosis Medical Center, Inc in La Palma, California. Dmand AI also links Dr. Wu to 1 group practice or clinic.
What is Dr. Justin Wu's office phone number?
The practice phone on file for Dr. Wu is (714) 670-1340.
What is Dr. Justin Wu's medical license number?
Dr. Wu holds California license 20A11281, one of the licenses on file in 2 states.
Which states has Dr. Justin Wu been licensed in?
Dmand AI has state licenses on file for Dr. Wu in California (2010 to 2027) and Louisiana (2014 to 2015).
Which hospitals is Dr. Justin Wu affiliated with?
Dr. Wu is affiliated with Alhambra Hospital Medical Center.
What medical group is Dr. Justin Wu part of?
Dr. Wu is linked to Arthritis and Osteoporosis Medical Center.
Does Dr. Justin Wu accept Medicare?
Yes. CMS data shows Dr. Wu billed Medicare for 1,130 services in 2024, and Dr. Wu accepts Medicare assignment.
What is Dr. Justin Wu's MIPS score?
Dr. Wu's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Justin Wu see?
CMS counts 139 Medicare patients who saw Dr. Wu in 2024, with an average age of 70.
Is Dr. Justin Wu board certified?
Yes. Dr. Wu is board certified in rheumatology by the American Board of Internal Medicine.
What services does Dr. Justin Wu bill to Medicare?
In 2024, Dr. Wu's most billed Medicare services were injected or infused drug (J7332), office visit, established patient (99214) and infusion or chemotherapy administration (96372).
What drugs does Dr. Justin Wu prescribe most?
In 2024 Medicare Part D data, Dr. Wu's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Alendronate Sodium.
Has Dr. Justin Wu received payments from drug or device companies?
CMS Open Payments shows $19,182 in general payments to Dr. Wu from 37 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Justin Wu been practicing?
Dr. Wu graduated from medical school in 2008, 18 years ago.
What insurance does Dr. Justin Wu accept?
Dr. Wu is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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