James T Wang, M.D.
Dermatology · Rancho Santa Margarita, CA
At a glance
29833 Santa Margarita Pkwy, Rancho Santa Margarita, CA 92688-3619
Published activity: Melanoma (skin cancer) excision · Removal of skin cancer · Removal of skin lesions. View counts and coverage
NPPES record updated Mar 22, 2021. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
29833 Santa Margarita Pkwy 100Rancho Santa Margarita, CA 92688-3619
Additional reported practice locations
17822 Beach Blvd Ste 468Huntington Beach, CA 926477520
Phone: 7148418818
Fax: 7148412121
Education & affiliations
- Medical / professional school
- University Of California, Geffen School Of Medicine
- Graduation year
- 1992
- CMS specialties
- Dermatology
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Melanoma (skin cancer) excision | 32 |
| Removal of skin cancer | 88 |
| Removal of skin lesions | 939 |
| Removal of tissue | 1-10 |
| Removal or shaving of skin growth | 1-10 |
| Skin biopsy | 70 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Advance Care Plan
- 68%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_047_overall. Collection type: REG. Measure denominator: 905.
- Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older
- 0%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_048_overall. Collection type: REG. Measure denominator: 426.
- Preventive Care and Screening: Screening for Depression and Follow-Up Plan
- 98%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_134_overall. Collection type: REG. Measure denominator: 2369.
See all 9 reported measures
- Tuberculosis Screening Prior to First Course of Biologic and/or Immune Response Modifier Therapy
- 32%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_176_overall. Collection type: REG. Measure denominator: 56.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 87%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: REG. Measure denominator: 60.
- Controlling High Blood Pressure
- 0%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: REG. Measure denominator: 71.
- Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
- 0%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: REG. Measure denominator: 5443.
- Patient-Centered Surgical Risk Assessment and Communication
- 85%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_358_overall. Collection type: REG. Measure denominator: 289.
- Psoriasis: Clinical Response to Systemic Medications
- 86%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_410_overall. Collection type: REG. Measure denominator: 66.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $7,744.93 |
| Education | $89.99 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,153.67 |
| JANSSEN BIOTECH, INC. | $841.33 |
| UCB, INC. | $717.68 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $689.30 |
| INCYTE CORPORATION | $630.76 |
| ARCUTIS BIOTHERAPEUTICS, INC. | $462.83 |
| PFIZER INC. | $457.88 |
| GALDERMA LABORATORIES, L.P. | $425.76 |
| Other reporting companies | $2,455.71 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology
- Taxonomy code
- 207N00000X
- Enumeration date
- Oct 24, 2006
- Record updated
- Mar 22, 2021
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207ND0101X
License reported: G79462 CA
207ND0900X
License reported: G79462 CA
207NP0225X
License reported: G79462 CA
207NS0135X
License reported: G79462 CA
207N00000X · Primary
License reported: G79462 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
29833 Santa Margarita Pkwy100
Rancho Santa Margarita, CA 92688-3619
- Phone
- (949) 888-9288
- Fax
- (949) 888-8918
Mailing address
29833 SANTA MARGARITA PKWY100
RANCHO SANTA MARGARITA, CA 926883619
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue