Henry Watson, M.D.
NPI 1235142894 · Specialist · Oakland, CA
Henry Watson, M.D. is a Specialist provider in Oakland, CA (NPI 1235142894).
Provider details
- NPI number
- 1235142894
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C41403 (CA)
Specialties & taxonomies
Other Service 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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 95 | 40 |
| Gabapentin | 83 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 72 | 21 |
| Potassium Chloride | 67 | 21 |
| Losartan Potassium | 47 | 19 |
| Ibuprofen | 46 | 18 |
| Tamsulosin Hcl | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$132 across 5 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
- 2006-08-14
- Last updated
- 2013-02-14
Frequently asked questions
- What is Henry Watson's NPI number?
- Henry Watson's National Provider Identifier (NPI) is 1235142894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Watson's specialty?
- Henry Watson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Henry Watson located?
- Henry Watson's practice location on file with NPPES is 5709 Market St, Oakland, CA 94608-2811.
- What is Henry Watson's phone number?
- The practice phone number listed in the NPPES registry for Henry Watson is (510) 444-9460.
- Is Henry Watson's NPI active?
- Yes — Henry Watson's NPI (1235142894) is active in the NPPES registry as of the last update on 2013-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.