Eric Oak, PharmD

  • Lancaster, CA
  • Pharmacist
NPI1033455811
Part D claims, 2024
2,920
Affiliated sites
2
Medical group
1
State license
1
Year NPI issued
2012
Practice address
43839 15th W St, Lancaster, CA 93534
Practice phone
Call (661) 945-5984
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

High Desert Medical Group

Urgent Care Center · Lancaster, California

See all 3 affiliations

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Eric Oak is a pharmacist in Lancaster, California

Eric Oak practices at High Desert Medical Group in Lancaster, California.

Eric Oak's NPI, 1033455811, was assigned on December 22, 2012. Eric Oak holds California license 68259.

NPI and contact details
NPI enumeration date
December 22, 2012
NPI status
Active
Practice phone
(661) 945-5984
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Eric Oak practices at High Desert Medical Group in Lancaster, California

Eric Oak's primary practice is High Desert Medical Group, at 43839 15th W St, Lancaster, CA 93534. The practice phone is (661) 945-5984.

  • High Desert Medical Group
    43839 15th W St, Lancaster, CA 93534Phone(661) 945-5984

Source: Dmand AI Affiliation Data

Eric Oak is affiliated with 2 sites of care and 1 medical group

Eric Oak's primary practice is High Desert Medical Group in Lancaster, California. The medical group on file is High Desert Medical Group. Dmand AI also links Eric Oak to 1 more group practice or clinic, named with a free account. Eric Oak's employer is on file too: an urgent care center.

See all 3 affiliations for Eric Oak

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Eric Oak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Eric Oak practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
High Desert Medical GroupAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Eric Oak is one of 558 pharmacists in California

Pharmacist is Eric Oak's primary specialty in the NPI Registry, under taxonomy code 183500000X. Eric Oak is licensed in California.

Specialties and state licenses

  • Pharmacist, CaliforniaPrimaryLicense 68259 · taxonomy 183500000X

Pharmacists near Eric Oak

Counts of pharmacists with a Dmand AI profile, by place and practice. Each opens the list.

558pharmacists in California
3pharmacists in Lancaster

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Eric Oak's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Eric Oak's median patient age at 70, with 52% women.

Eric Oak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women52%
  • Men48%

Source: Dmand AI Patient Panel Data

Eric Oak wrote 2,920 Medicare Part D claims in 2024

In 2024, Eric Oak wrote 2,920 Medicare Part D claims for 781 patients. 48% of them were for generic drugs.

Part D claims, 20242,920
Part D patients781

Eric Oak's Part D claims by kind of drug, 2024

  • Generic1,398 claims48%
  • Brand-name1,281 claims44%
  • Other241 claims8%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Eric Oak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Eric Oak

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Eric Oak's NPI number?

Eric Oak's NPI number is 1033455811. It was assigned on December 22, 2012, and it is active in the NPI Registry.

What does Eric Oak specialize in?

Eric Oak is a pharmacist in Lancaster, California. The primary specialty in the NPI Registry is Pharmacist (taxonomy code 183500000X).

Where does Eric Oak practice?

Eric Oak practices at 43839 15th W St, Lancaster, CA 93534. Eric Oak's primary practice is High Desert Medical Group in Lancaster, California. Dmand AI also links Eric Oak to 1 group practice or clinic.

What is Eric Oak's office phone number?

The practice phone on file for Eric Oak is (661) 945-5984.

What is Eric Oak's medical license number?

Eric Oak holds California license 68259.

What medical group is Eric Oak part of?

Eric Oak is linked to High Desert Medical Group.

How long has Eric Oak been practicing?

Eric Oak's NPI was assigned in 2012.

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