Dr. Diana G. Lau, MD
- Medicare services, 2023
- 105
- Part D claims, 2023
- 15
- Industry payments
- $2,618
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 3851 Katella Ave, Los Alamitos, CA 90720-3309
- Practice phone
- Call (562) 314-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Socal Medical Specialist Medical
Surgical practice · Los Alamitos, California
Find Dr. Lau'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. Diana G. Lau is an orthopedic surgeon in Laguna Woods, California
Dr. Lau practices at Socal Medical Specialist Medical in Los Alamitos, California.
Dr. Lau's NPI, 1669600011, was assigned on June 24, 2009. Dr. Lau graduated from SUNY Downstate Health Sciences University in 2009. Dr. Lau holds California license A124135.
- NPI
- 1669600011NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2009
- NPI status
- Active
- Practice phone
- (562) 314-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana G. Lau practices in Los Alamitos and Laguna Woods
Dr. Lau's primary practice is Socal Medical Specialist Medical, at 3851 Katella Ave, Los Alamitos, CA 90720-3309. The practice phone is (562) 314-1400. The NPI Registry lists Dr. Lau's practice address as 24331 El Toro Rd, Laguna Woods, CA 92637.
- Socal Medical Specialist MedicalPrimary3851 Katella Ave, Los Alamitos, CA 90720-3309Phone(562) 314-1400
- NPI Registry address24331 El Toro Rd, Laguna Woods, CA 92637 · Orange CountyPhone(562) 314-1400
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Diana G. Lau is affiliated with 2 sites of care and 2 medical groups
Dr. Lau's primary practice is Socal Medical Specialist Medical in Los Alamitos, California. The medical group on file is OrthoWest. Dmand AI also links Dr. Lau to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Diana G. Lau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Socal Medical Specialist Medical | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana G. Lau is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Lau's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Lau is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Lau is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, hip replacement, joint pain, lower back pain, muscle pain, fibromyalgia, and limb pain, pelvic and hip fracture, rotator cuff injury and shoulder arthroscopy/rotator cuff repair among the conditions Dr. Lau treats.
Orthopedic surgeons near Dr. Lau
Counts of orthopedic surgeons 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. Diana G. Lau billed Medicare for 105 services in 2023
CMS data shows 105 Medicare services from Dr. Lau across 3 procedure codes in 2023. Medicare paid $2,554 for them. Every service was in an office.
Dr. Lau's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Drugs given in the office
- 2022: 4582023: 6885%
- Office and hospital visits
- 2022: 2922023: 3787%
- Imaging
- 2022: 872023: 0100%
- Surgery
- 2022: 1032023: 0100%
Dr. Lau compared with the California median for orthopedic surgeons, 2023
- Dr. Lau
- California median
- Medicare services
- 105vs 68385% below
- Part D claims
- 15vs 7079% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Lau's most billed Medicare procedure codes, 2023
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. Lau?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lau and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana G. Lau's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Lau's median patient age at 70, with 60% women.
Dr. Lau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women60%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Diana G. Lau wrote 15 Medicare Part D claims in 2023
In 2023, Dr. Lau wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $190 in total drug cost. In 2022, CMS named 254 claims across 9 drugs.
Dr. Lau's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2542023: 1594%
Drugs named by CMS: 1 in 2023, 9 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Diana G. Lau received $2,618 in industry payments from 2017 to 2022
CMS Open Payments shows 38 general payments to Dr. Lau from 14 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 52% of the total. Micromed Inc paid the most, $1,330.
General payments to Dr. Lau by program year, 2017 to 2022
General payments to Dr. Lau by kind, 2017 to 2022
- Food and beverage$1,35352%
- Education$1,26548%
Companies that paid Dr. Lau the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diana G. Lau graduated from SUNY Downstate Health Sciences University
Dr. Lau graduated from SUNY Downstate Health Sciences University in 2009.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Diana G. Lau accepts plans from 9 insurance carriers
Dr. Lau is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Dr. Lau accepts, by number of carriers
- Medicare8
- PPO6
- HMO5
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Diana G. Lau'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Diana G. Lau
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. Diana G. Lau's NPI number?
Dr. Diana G. Lau's NPI number is 1669600011. It was assigned on June 24, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana G. Lau?
Dr. Diana G. Lau is an orthopedic surgeon in Laguna Woods, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Diana G. Lau practice?
Dr. Lau practices at 3851 Katella Ave, Los Alamitos, CA 90720-3309. Dr. Lau also practices at 24331 El Toro Rd, Laguna Woods, CA 92637. Dr. Lau's primary practice is Socal Medical Specialist Medical in Los Alamitos, California. Dmand AI also links Dr. Lau to 1 group practice or clinic and 1 medical group.
What is Dr. Diana G. Lau's office phone number?
The practice phone on file for Dr. Lau is (562) 314-1400.
What is Dr. Diana G. Lau's medical license number?
Dr. Lau holds California license A124135.
What medical group is Dr. Diana G. Lau part of?
Dr. Lau is linked to OrthoWest. Dmand AI links Dr. Lau to 1 more medical group.
Does Dr. Diana G. Lau accept Medicare?
Yes. CMS data shows Dr. Lau billed Medicare for 105 services in 2023.
Is Dr. Diana G. Lau board certified?
Yes. Dr. Lau is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Diana G. Lau bill to Medicare?
In 2023, Dr. Lau's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Diana G. Lau go to medical school?
Dr. Lau graduated from SUNY Downstate Health Sciences University in 2009.
Show 4 more questionsShow fewer questions
What drugs does Dr. Diana G. Lau prescribe most?
In 2023 Medicare Part D data, Dr. Lau's most prescribed drugs by claims were Diclofenac Sodium.
Has Dr. Diana G. Lau received payments from drug or device companies?
CMS Open Payments shows $2,618 in general payments to Dr. Lau from 14 companies from 2017 to 2022. The largest total came from Micromed Inc.
How long has Dr. Diana G. Lau been practicing?
Dr. Lau graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Diana G. Lau accept?
Dr. Lau is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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