Tom Tseng, O.D.
NPI 1710193651 · Optometrist · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tom Tseng, O.D. is a Optometrist provider in Santa Rosa, CA (NPI 1710193651).
Provider details
- NPI number
- 1710193651
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12436T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 183 | 76 |
| Timolol Maleate | 85 | 29 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 73 | 22 |
| Brimonidine Tartrate | 28 | 14 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 22 | 14 |
| Erythromycin Basebrand: Erythromycin | 21 | 18 |
| Dorzolamide/Timolol/Pfbrand: Dorzolamide-Timolol | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (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
- 2007-05-15
- Last updated
- 2022-01-03
Frequently asked questions
- What is Tom Tseng's NPI number?
- Tom Tseng's National Provider Identifier (NPI) is 1710193651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tom Tseng's specialty?
- Tom Tseng is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Tom Tseng located?
- Tom Tseng's practice location on file with NPPES is 3540 Mendocino Ave Ste 200, Santa Rosa, CA 95403-3639.
- What is Tom Tseng's phone number?
- The practice phone number listed in the NPPES registry for Tom Tseng is (707) 522-6200.
- Does Tom Tseng accept Medicare?
- Tom Tseng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tom Tseng's NPI active?
- Yes — Tom Tseng's NPI (1710193651) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.