Dr. Stephen Oh, D.O.
What this data tells you about Dr. Oh
Dr. Stephen Oh is a pathology - anatomic specialist in Murrieta, CA, with 17 years of NPI registration. Based on federal Medicare data, Dr. Oh performed 17,414 Medicare services across 4,936 unique beneficiaries.
Between the years covered by Open Payments, Dr. Oh received a total of $2,613 from 21 pharmaceutical and/or device companies across 115 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in pathology - anatomic. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Oh is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Tissue pathology examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This intermediate complexity procedure involves specialized techniques to identify abnormalities in the tissue. |
12,357 | $59 | $310 |
| Additional genetic sequencing localization This procedure involves additional genetic sequencing localization work beyond the initial test. It is performed to further analyze genetic material. |
2,658 | $27 | $95 |
| Genetic sequencing localization, initial procedure This procedure involves the initial process of localizing genetic sequencing. It identifies the specific location of genetic material for further analysis. |
886 | $34 | $120 |
| COVID-19 nucleic acid test, high throughput A laboratory test that detects the genetic material of the SARS-CoV-2 virus using an amplified probe technique. This method utilizes high-throughput technologies to process samples. |
284 | $73 | $300 |
| Special stain test for organisms A laboratory test using special stains on tissue slides to identify microorganisms. The process includes the technical preparation of the slides and a professional interpretation of the results. |
220 | $83 | $270 |
| Tissue staining for diagnosis, initial A laboratory test where special stains are applied to tissue slides to help examine the cells and identify specific characteristics. |
215 | $27 | $130 |
| Manual microscopic genetic analysis of tumor A laboratory test that uses a microscope to manually examine tumor tissue for genetic changes. |
183 | $33 | $205 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
130 | $8 | $30 |
| Tissue staining for diagnosis, additional An extra laboratory procedure to apply special stains to tissue slides for detailed examination. |
97 | $22 | $100 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
95 | $8 | $55 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
92 | $10 | $36 |
| Special tissue stain and interpretation A laboratory test using special stains to examine tissue samples, including the pathologist's review and written report of the findings. |
83 | $65 | $295 |
| COVID-19 amplified DNA/RNA probe detection A laboratory test that uses amplified DNA or RNA probes to detect the presence of severe acute respiratory syndrome coronavirus 2 (COVID-19) antigen. |
60 | $50 | $450 |
| Digestive tract pathogen nucleic acid test, 6-11 targets A laboratory test that uses nucleic acid detection to identify multiple types or subtypes of pathogens in the digestive tract. The test analyzes 6 to 11 specific targets simultaneously. |
33 | $258 | $658 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
21 | $8 | $30 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Oh is a mixed practice specialist, with above-average Medicare volume (top 1% in CA), with low-engagement industry engagement in the top 14% of CA peers, with 17 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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