Quick answers
- Does Tiffany Y. Loh accept Medicare assignment?
- Yes. Medicare's clinician data says Tiffany Y. Loh accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tiffany Y. Loh see?
- In 2024, CMS data shows 499 Original Medicare patients and 1,687 services for Tiffany Y. Loh. This counts Original Medicare only and measures volume, not quality.
- What is Tiffany Y. Loh's NPI number?
- 1629509229. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tiffany Y. Loh, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 499 |
|---|---|
| Services billed to Medicare | 1,687 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)324 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)282 services
- Biopsy of related skin growth, first growth (11102)172 services
- Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)161 services
- Biopsy of related skin growth, each additional growth (11103)111 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%
- Diabetes30%
- Ischemic heart disease30%
Practice locations
Addresses where Tiffany Y. Loh is enrolled with Medicare (CMS data updated October 2, 2026).
- 1071 Blossom Hill RdSan Jose, CA 95123 (408) 445‑4010
- 2400 Samaritan DrSan Jose, CA 95124
- 370 Distel CirLos Altos, CA 94022 (650) 254‑5200
Group practices
Medicare enrollment lists Tiffany Y. Loh as a member of this group (CMS data updated October 2, 2026).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
Find other Micrographic Dermatologic Surgery (MDS) doctors in California →
Other dermatologic surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Sutter Bay Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629509229 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians