William Ta, M.D.
NPI 1790955300 · General Practice Physician · Hoopa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ta, M.D. is a General Practice Physician provider in Hoopa, CA (NPI 1790955300).
Provider details
- NPI number
- 1790955300
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A118947 (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
18 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
576 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 379 | $96 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 120 | $21 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $137 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 30 | $117 |
Typical Medicare-allowed amounts for these services range $21–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 433 | 124 |
| Amlodipine Besylate | 374 | 107 |
| Metformin Hcl | 273 | 77 |
| Omeprazole | 234 | 66 |
| Metoprolol Succinate | 200 | 50 |
| Simvastatin | 192 | 59 |
| Lisinopril | 183 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,387 across 44 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
- 2008-03-11
- Last updated
- 2013-04-04
Frequently asked questions
- What is William Ta's NPI number?
- William Ta's National Provider Identifier (NPI) is 1790955300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ta's specialty?
- William Ta is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is William Ta located?
- William Ta's practice location on file with NPPES is 1200 Airport Road, Hoopa, CA 95546-1288.
- What is William Ta's phone number?
- The practice phone number listed in the NPPES registry for William Ta is (530) 625-4261.
- Does William Ta accept Medicare?
- William Ta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ta's NPI active?
- Yes — William Ta's NPI (1790955300) is active in the NPPES registry as of the last update on 2013-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.