Dr. Stephen S. Oh, MD
- Medicare services, 2016
- 854
- Part D claims, 2024
- 2,327
- Industry payments
- $12
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 4301 Lost Hills Rd, Agoura Hills, CA 91301
- Practice phone
- Call (713) 442-6754
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Laboratory Corporation of America
Agoura Hills, California
Find Dr. 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.
Dr. Stephen S. Oh is a psychiatrist in Agoura Hills, California
Dr. Oh practices at Laboratory Corporation of America in Agoura Hills, California.
Dr. Oh's NPI, 1467511428, was assigned on December 6, 2006. Dr. Oh holds Florida license ME47222.
- NPI
- 1467511428NPI Registry (opens in a new tab)
- NPI enumeration date
- December 6, 2006
- NPI status
- Active
- Practice phone
- (713) 442-6754
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Stephen S. Oh practices at Laboratory Corporation of America in Agoura Hills, California
Dr. Oh's primary practice is Laboratory Corporation of America, at 4301 Lost Hills Rd, Agoura Hills, CA 91301 in Los Angeles County. The practice phone is (713) 442-6754.
- Laboratory Corporation of America4301 Lost Hills Rd, Agoura Hills, CA 91301 · Los Angeles CountyPhone(713) 442-6754
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen S. Oh is affiliated with 2 sites of care
Dr. Oh's primary practice is Laboratory Corporation of America in Agoura Hills, California. Dmand AI also links Dr. Oh to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen S. Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Laboratory Corporation of America | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen S. Oh is one of 6,803 psychiatrists in California
Psychiatry is Dr. Oh's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Oh is licensed in Florida.
Specialties and state licenses
- Psychiatry, FloridaPrimary
Psychiatrists near Dr. Oh
Counts of psychiatrists 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. Stephen S. Oh billed Medicare for 854 services in 2016
CMS data shows 854 Medicare services from Dr. Oh across 2 procedure codes in 2016. Medicare paid $21,473 for them. Every service was in an office.
Dr. Oh's Medicare services by type, 2016
- Office and hospital visits440
- Tests and treatments414
Dr. Oh compared with the California median for psychiatrists, 2016
- Dr. Oh
- California median
- Medicare services
- 854vs 1197.2 times
- Part D claims
- 2,198vs 14415.3 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Oh's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oh and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen S. Oh's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Oh's median patient age at 47, with 59% women.
Dr. 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 47
Patient panel by sex, all payers
- Women59%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Stephen S. Oh wrote 2,327 Medicare Part D claims in 2024
In 2024, Dr. Oh wrote 2,327 Medicare Part D claims for 147 patients. 98% of them were for generic drugs. CMS names the drug for 2,198 of them, across 33 drugs with 11 or more claims each, at $66,476 in total drug cost. In 2023, CMS named 2,315 claims across 31 drugs.
Dr. Oh's Part D claims by kind of drug, 2024
- Generic2,284 claims98%
- Brand-name43 claims2%
Dr. Oh's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Oh's Part D claims, 2024
- Antipsychotics, patients 65 and over5%118 of 2,327 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,3152024: 2,1985%
Drugs named by CMS: 33 in 2024, 31 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Stephen S. Oh received $12 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Oh from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Supernus Pharmaceuticals, Inc. paid the most, $12.
Companies that paid Dr. Oh the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen S. 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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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. Stephen S. 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 Dr. Stephen S. Oh's NPI number?
Dr. Stephen S. Oh's NPI number is 1467511428. It was assigned on December 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen S. Oh?
Dr. Stephen S. Oh is a psychiatrist in Agoura Hills, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Stephen S. Oh practice?
Dr. Oh practices at 4301 Lost Hills Rd, Agoura Hills, CA 91301. Dr. Oh's primary practice is Laboratory Corporation of America in Agoura Hills, California. Dmand AI also links Dr. Oh to 1 physician office.
What is Dr. Stephen S. Oh's office phone number?
The practice phone on file for Dr. Oh is (713) 442-6754.
What is Dr. Stephen S. Oh's medical license number?
Dr. Oh holds Florida license ME47222.
Does Dr. Stephen S. Oh accept Medicare?
Yes. CMS data shows Dr. Oh billed Medicare for 854 services in 2016.
What services does Dr. Stephen S. Oh bill to Medicare?
In 2016, Dr. Oh's most billed Medicare services were office visit, established patient (99213) and psychiatric service (90833).
What drugs does Dr. Stephen S. Oh prescribe most?
In 2024 Medicare Part D data, Dr. Oh's most prescribed drugs by claims were Alprazolam, Dextroamphetamine-Amphetamine and Clonazepam.
Has Dr. Stephen S. Oh received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Oh from 1 company from 2022 to 2022. The largest total came from Supernus Pharmaceuticals, Inc.
How long has Dr. Stephen S. Oh been practicing?
Dr. Oh's NPI was assigned in 2006.
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