Theodore Okerson, M.D.
NPI 1225170814 · Internal Medicine Physician · Thousand Oaks, CA
Theodore Okerson, M.D. is a Internal Medicine Physician provider in Thousand Oaks, CA (NPI 1225170814).
Provider details
- NPI number
- 1225170814
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G52959 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 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
- 2007-02-12
- Last updated
- 2015-04-21
Frequently asked questions
- What is Theodore Okerson's NPI number?
- Theodore Okerson's National Provider Identifier (NPI) is 1225170814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Okerson's specialty?
- Theodore Okerson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Okerson located?
- Theodore Okerson's practice location on file with NPPES is 1 Amgen Center Dr, Thousand Oaks, CA 91320-1730.
- What is Theodore Okerson's phone number?
- The practice phone number listed in the NPPES registry for Theodore Okerson is (805) 447-9105.
- Is Theodore Okerson's NPI active?
- Yes — Theodore Okerson's NPI (1225170814) is active in the NPPES registry as of the last update on 2015-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.