William Harris, M.D
NPI 1427056290 · Specialist · Norman, OK
William Harris, M.D is a Specialist provider in Norman, OK (NPI 1427056290).
Provider details
- NPI number
- 1427056290
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 13108 (OK)
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
20 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 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
- 2005-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Harris's NPI number?
- William Harris's National Provider Identifier (NPI) is 1427056290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harris's specialty?
- William Harris is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Harris located?
- William Harris's practice location on file with NPPES is 825 E Robinson St, Norman, OK 73071-6610.
- What is William Harris's phone number?
- The practice phone number listed in the NPPES registry for William Harris is (405) 364-7900.
- Is William Harris's NPI active?
- Yes — William Harris's NPI (1427056290) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.