William Ting, M.D.
NPI 1235105446 · Dermatology Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ting, M.D. is a Dermatology Physician provider in San Ramon, CA (NPI 1235105446).
Provider details
- NPI number
- 1235105446
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A82266 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
23,991 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 5,087 | $9 |
| Test for Allergy Using Skin Patch95044 | 3,452 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 2,453 | $109 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 1,753 | $63 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 1,623 | $69 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,255 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 686 | 540 |
| Clobetasol Propionate | 271 | 147 |
| Ketoconazole | 222 | 132 |
| Doxycycline Monohydrate | 220 | 131 |
| Triamcinolone Acetonide | 213 | 154 |
| Tacrolimus | 136 | 99 |
| Fluorouracil | 107 | 90 |
| Doxycycline Hyclate | 96 | 67 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,047 across 42 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2020-07-23
- Certified
- 2020-07-23
Frequently asked questions
- What is William Ting's NPI number?
- William Ting's National Provider Identifier (NPI) is 1235105446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ting's specialty?
- William Ting is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Ting located?
- William Ting's practice location on file with NPPES is 2262 Camino Ramon, San Ramon, CA 94583-1353.
- What is William Ting's phone number?
- The practice phone number listed in the NPPES registry for William Ting is (925) 328-0255.
- Does William Ting accept Medicare?
- William Ting is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ting's NPI active?
- Yes — William Ting's NPI (1235105446) is active in the NPPES registry as of the last update on 2020-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.