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Timothy Oh
NPI1225395502
- Part D claims, 2020
- 31
- Publications
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 100 W California Blvd, Pasadena, CA 91105-3010
- Practice phone
- Call (626) 397-5188
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Timothy Oh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Timothy Oh is an internist in Pasadena, California
Timothy Oh practices in Pasadena, California.
Timothy Oh's NPI, 1225395502, was assigned on April 11, 2012. Timothy Oh graduated from Saint Louis University School Of Medicine in 2012. Timothy Oh holds California license A126718.
NPI and contact details
- NPI
- 1225395502NPI Registry (opens in a new tab)
- NPI enumeration date
- April 11, 2012
- NPI status
- Active
- Practice phone
- (626) 397-5188
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Timothy Oh's practice address is in Pasadena, California
Timothy Oh's practice address in the NPI Registry is 100 W California Blvd, Pasadena, CA 91105-3010. The practice phone is (626) 397-5188.
- NPI Registry address100 W California Blvd, Pasadena, CA 91105-3010Phone(626) 397-5188
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Timothy Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Timothy Oh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Timothy Oh's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Timothy Oh is one of 16,751 internists in California
Internal medicine is Timothy Oh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Timothy Oh is board certified in internal medicine by the American Board of Internal Medicine. Timothy Oh is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Timothy Oh
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
Timothy Oh's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Timothy Oh's median patient age at 55, with 0% women.
Timothy Oh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Timothy Oh wrote 31 Medicare Part D claims in 2020
In 2020, Timothy Oh wrote 31 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $473 in total drug cost. In 2019, CMS named 937 claims across 34 drugs.
Part D claims, 202031
Drugs named by CMS2
Total drug cost$473
Timothy Oh's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 9372020: 3197%
Drugs named by CMS: 2 in 2020, 34 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Timothy Oh has 1 publication on record
Dmand AI links 1 paper to Timothy Oh. Timothy Oh's most frequent co-author is Aimee Maree Wilkin, MD.
Papers1
Timothy Oh's most frequent co-authors
Recent publications by Timothy Oh
See who Timothy Oh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Timothy Oh works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Timothy Oh graduated from Saint Louis University School Of Medicine
Timothy Oh graduated from Saint Louis University School Of Medicine in 2012.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Timothy Oh'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 |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Timothy Oh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Timothy Oh's NPI number?
Timothy Oh's NPI number is 1225395502. It was assigned on April 11, 2012, and it is active in the NPI Registry.
What does Timothy Oh specialize in?
Timothy Oh is an internist in Pasadena, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Timothy Oh practice?
Timothy Oh practices at 100 W California Blvd, Pasadena, CA 91105-3010.
What is Timothy Oh's office phone number?
The practice phone on file for Timothy Oh is (626) 397-5188.
What is Timothy Oh's medical license number?
Timothy Oh holds California license A126718.
Is Timothy Oh board certified?
Yes. Timothy Oh is board certified in internal medicine by the American Board of Internal Medicine.
Where did Timothy Oh go to medical school?
Timothy Oh graduated from Saint Louis University School Of Medicine in 2012.
What drugs does Timothy Oh prescribe most?
In 2020 Medicare Part D data, Timothy Oh's most prescribed drugs by claims were Atorvastatin Calcium and Lisinopril.
How long has Timothy Oh been practicing?
Timothy Oh graduated from medical school in 2012, 14 years ago.
Does Timothy Oh do research?
Dmand AI links 1 publication to Timothy Oh.
Who does Timothy Oh publish with?
Timothy Oh's most frequent co-authors are Aimee Maree Wilkin, MD (1 shared paper).
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