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Dr. Theodore E. Okerson II, MD
NPI1225170814
- Part D claims, 2016
- 11
- Publications
- 1
- Industry payments
- $735
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1 Amgen Center Dr, Thousand Oaks, CA 91320-1730
- Practice phone
- Call (805) 447-9105
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Okerson's professional email, personal email and mobile number
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Dr. Theodore E. Okerson II is an internist in Thousand Oaks, California
Dr. Okerson practices in Thousand Oaks, California.
Dr. Okerson's NPI, 1225170814, was assigned on February 12, 2007. Dr. Okerson holds California license G52959.
NPI and contact details
- NPI
- 1225170814NPI Registry (opens in a new tab)
- NPI enumeration date
- February 12, 2007
- NPI status
- Active
- Practice phone
- (805) 447-9105
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Theodore E. Okerson II's practice address is in Thousand Oaks, California
Dr. Okerson's practice address in the NPI Registry is 1 Amgen Center Dr, Thousand Oaks, CA 91320-1730. The practice phone is (805) 447-9105.
- NPI Registry address1 Amgen Center Dr, Thousand Oaks, CA 91320-1730Phone(805) 447-9105
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Theodore E. Okerson II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okerson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Okerson's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Theodore E. Okerson II is one of 16,751 internists in California
Internal medicine is Dr. Okerson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Okerson is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Okerson
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Theodore E. Okerson II's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Okerson's median patient age at 54, with 0% women.
Dr. Okerson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Theodore E. Okerson II wrote 11 Medicare Part D claims in 2016
In 2016, Dr. Okerson wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $59 in total drug cost.
Part D claims, 201611
Drugs named by CMS1
Total drug cost$59
Dr. Okerson's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Theodore E. Okerson II has 1 publication on record
Dmand AI links 1 paper to Dr. Okerson in 2010. Dr. Okerson's most frequent co-author is Robert J. Chilton, DO.
Papers1
Dr. Okerson's most frequent co-authors
Recent publications by Dr. Okerson
See who Dr. Okerson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Okerson works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Theodore E. Okerson II received $735 in industry payments from 2016 to 2025
CMS Open Payments shows 14 general payments to Dr. Okerson from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. AstraZeneca Pharmaceuticals LP paid the most, $293.
General payments to Dr. Okerson by program year, 2016 to 2025
General payments to Dr. Okerson by kind, 2016 to 2025
$735in total
- Food and beverage$62485%
- Education$11115%
Companies that paid Dr. Okerson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Theodore E. Okerson II's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Theodore E. Okerson II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Theodore E. Okerson II's NPI number?
Dr. Theodore E. Okerson II's NPI number is 1225170814. It was assigned on February 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Theodore E. Okerson II?
Dr. Theodore E. Okerson II is an internist in Thousand Oaks, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Theodore E. Okerson II practice?
Dr. Okerson practices at 1 Amgen Center Dr, Thousand Oaks, CA 91320-1730.
What is Dr. Theodore E. Okerson II's office phone number?
The practice phone on file for Dr. Okerson is (805) 447-9105.
What is Dr. Theodore E. Okerson II's medical license number?
Dr. Okerson holds California license G52959.
What drugs does Dr. Theodore E. Okerson II prescribe most?
In 2016 Medicare Part D data, Dr. Okerson's most prescribed drugs by claims were Lorazepam.
Has Dr. Theodore E. Okerson II received payments from drug or device companies?
CMS Open Payments shows $735 in general payments to Dr. Okerson from 7 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Theodore E. Okerson II been practicing?
Dr. Okerson's NPI was assigned in 2007.
Does Dr. Theodore E. Okerson II do research?
Dmand AI links 1 publication to Dr. Okerson.
Who does Dr. Theodore E. Okerson II publish with?
Dr. Okerson's most frequent co-authors are Robert J. Chilton, DO (1 shared paper).
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