Dr. Leon Lim Wee, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 394
- Industry payments
- $261
- Affiliated sites
- 1
- Practice address
- 3800 Kilroy Airport Way, Long Beach, CA 90806
- Practice phone
- Call (714) 638-8277
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orange County Association for Mental Health
Long Beach, California
Find Dr. Wee'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. Leon Lim Wee is a psychiatrist in Long Beach, California
Dr. Wee practices at Orange County Association for Mental Health in Long Beach, California.
Dr. Wee's NPI, 1275589640, was assigned on May 26, 2006. Dr. Wee graduated from University of Santo Tomas in 1991. Dr. Wee holds California license A62838.
- NPI
- 1275589640NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931196250
- NPI enumeration date
- May 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 638-8277
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leon Lim Wee practices at Orange County Association for Mental Health in Long Beach, California
Dr. Wee's primary practice is Orange County Association for Mental Health, at 3800 Kilroy Airport Way, Long Beach, CA 90806 in Los Angeles County. The practice phone is (714) 638-8277.
- Orange County Association for Mental Health3800 Kilroy Airport Way, Long Beach, CA 90806 · Los Angeles CountyPhone(714) 638-8277
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leon Lim Wee is affiliated with 2 sites of care and 2 medical groups
Dr. Wee's primary practice is Orange County Association for Mental Health in Long Beach, California. The medical group on file is Mental Health Association of Orange County. Dmand AI also links Dr. Wee to 1 more group practice or clinic and 1 medical group, 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. Leon Lim Wee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County Association for Mental Health | 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. Leon Lim Wee is one of 6,803 psychiatrists in California
Psychiatry is Dr. Wee's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Wee is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Wee
Counts of psychiatrists 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. Leon Lim Wee billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Wee across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $1,141 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wee compared with the California median for psychiatrists, 2024
- Dr. Wee
- California median
- Medicare services
- 12vs 11990% below
- Medicare patients
- 19vs 4154% below
- Part D claims
- 348vs 1442.4 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Wee'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wee and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leon Lim Wee treated 19 Medicare patients in 2024, average age 44
CMS counts 19 Medicare patients who saw Dr. Wee in 2024. 75% of them have schizophrenia and other psychoses. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wee's median patient age at 41, with 38% women.
Chronic conditions among Dr. Wee's Medicare patients, 2024
- Schizophrenia and other psychoses75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leon Lim Wee wrote 394 Medicare Part D claims in 2024
In 2024, Dr. Wee wrote 394 Medicare Part D claims for 19 patients. 87% of them were for generic drugs. CMS names the drug for 348 of them, across 13 drugs with 11 or more claims each, at $186,790 in total drug cost. In 2023, CMS named 282 claims across 11 drugs.
Dr. Wee's Part D claims by kind of drug, 2024
- Generic343 claims87%
- Brand-name51 claims13%
Dr. Wee'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.
Drug classes CMS tracks in Dr. Wee's Part D claims, 2024
- Antipsychotics, patients 65 and over5%20 of 394 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2822024: 34823%
Drugs named by CMS: 13 in 2024, 11 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. Leon Lim Wee offers telehealth to Medicare patients
Dr. Wee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leon Lim Wee received $261 in industry payments from 2017 to 2024
CMS Open Payments shows 8 general payments to Dr. Wee from 6 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $107.
General payments to Dr. Wee by program year, 2017 to 2024
Companies that paid Dr. Wee the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leon Lim Wee graduated from University of Santo Tomas
Dr. Wee graduated from University of Santo Tomas in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Leon Lim Wee accepts plans from 1 insurance carrier
Dr. Wee is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Leon Lim Wee'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) |
| 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. Leon Lim Wee
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. Leon Lim Wee's NPI number?
Dr. Leon Lim Wee's NPI number is 1275589640. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Lim Wee?
Dr. Leon Lim Wee is a psychiatrist in Long Beach, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Leon Lim Wee practice?
Dr. Wee practices at 3800 Kilroy Airport Way, Long Beach, CA 90806. Dr. Wee's primary practice is Orange County Association for Mental Health in Long Beach, California. Dmand AI also links Dr. Wee to 1 group practice or clinic and 1 medical group.
What is Dr. Leon Lim Wee's office phone number?
The practice phone on file for Dr. Wee is (714) 638-8277.
What is Dr. Leon Lim Wee's medical license number?
Dr. Wee holds California license A62838.
What medical group is Dr. Leon Lim Wee part of?
Dr. Wee is linked to Mental Health Association of Orange County. Dmand AI links Dr. Wee to 1 more medical group.
Does Dr. Leon Lim Wee accept Medicare?
Yes. CMS data shows Dr. Wee billed Medicare for 12 services in 2024, and Dr. Wee accepts Medicare assignment.
Does Dr. Leon Lim Wee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wee as offering telehealth services.
How many Medicare patients does Dr. Leon Lim Wee see?
CMS counts 19 Medicare patients who saw Dr. Wee in 2024, with an average age of 44.
What services does Dr. Leon Lim Wee bill to Medicare?
In 2024, Dr. Wee's most billed Medicare services were hospital inpatient care (99223).
Show 5 more questionsShow fewer questions
Where did Dr. Leon Lim Wee go to medical school?
Dr. Wee graduated from University of Santo Tomas in 1991.
What drugs does Dr. Leon Lim Wee prescribe most?
In 2024 Medicare Part D data, Dr. Wee's most prescribed drugs by claims were Invega Sustenna, Olanzapine and Risperidone.
Has Dr. Leon Lim Wee received payments from drug or device companies?
CMS Open Payments shows $261 in general payments to Dr. Wee from 6 companies from 2017 to 2024. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Leon Lim Wee been practicing?
Dr. Wee graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Leon Lim Wee accept?
Dr. Wee is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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