Maria Susana Ortiz Urda, M.D
Dermatology · Stanford, CA
At a glance
900 Blake Wilbur Drive, Stanford, CA 94305
Published activity: Melanoma (skin cancer) excision · Removal of skin lesions · Skin biopsy. View counts and coverage
NPPES record updated Sep 28, 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
900 Blake Wilbur DriveStanford, CA 94305
Additional reported practice locations
991 Montague Expy Ste 104Milpitas, CA 950356809
Phone: 4082636073
Fax: 4082636077 3562 Round Barn Cir Ste 320
Santa Rosa, CA 954030182
Phone: 7075781900
Fax: 7075781111 603 S Knickerbocker Dr
Sunnyvale, CA 940871034
Phone: 4087360441
Fax: 4087360722 525 South Dr Ste 115
Mountain View, CA 940404211
Phone: 6509695600
Fax: 6509690360 2420 Samaritan Dr
San Jose, CA 951243907
Phone: 4083695600
Fax: 4083695625
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1998
- CMS specialties
- Dermatology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- Roberta D Sengelmann Md Inc
- Ucsf Medical Group Business Services
- University Of California San Francisco
Reported hospital affiliations
- Ucsf Medical Center San Francisco, CA
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.
Source: CMS Facility Affiliation Data · 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 | 1-10 |
| Removal of skin lesions | 1610 |
| Skin biopsy | 402 |
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.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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 28, 2008
- Record updated
- Sep 28, 2021
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D
Reported taxonomies and licenses
207N00000X · Primary
License reported: A105136 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
900 Blake Wilbur DriveStanford, CA 94305
- Phone
- (650) 723-6316
- Fax
- (650) 723-7796
Mailing address
900 BLAKE WILBUR DRIVESTANFORD, CA 943055334
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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