Dr. Stephen Karas Jr., MD
- Medicare services, 2020
- 12
- Part D claims, 2024
- 190
- Hospital affiliations
- 1
- Industry payments
- $129
- Medical group
- 1
- Practice address
- 4002 Vista Way, Oceanside, CA 92056
- Practice phone
- Call (760) 724-8411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Karas' 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 Karas Jr. is an emergency medicine physician in Oceanside, California
Dr. Karas practices at Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare.
Dr. Karas' NPI, 1376537928, was assigned on September 8, 2005. Dr. Karas graduated from The Johns Hopkins University School of Medicine in 1970. Dr. Karas holds California license G25539.
- NPI
- 1376537928NPI Registry (opens in a new tab)
- NPI enumeration date
- September 8, 2005
- NPI status
- Active
- Practice phone
- (760) 724-8411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Karas Jr. practices at Sharp Tri-City Medical Center in Oceanside, California
Dr. Karas' primary practice is Sharp Tri-City Medical Center, at 4002 Vista Way, Oceanside, CA 92056 in San Diego County. The practice phone is (760) 724-8411.
- Sharp Tri-City Medical Center4002 Vista Way, Oceanside, CA 92056 · San Diego CountyPhone(760) 724-8411
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Karas Jr. is affiliated with 1 site of care and 1 medical group
Dr. Karas' primary practice is Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare. The medical group on file is Sierra Emergency Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Karas Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Tri-City Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sharp HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen Karas Jr. is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Karas' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Karas is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Karas' licenses on file in 3 states: California, Texas and Oregon.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Texas license
- Oregon license
Emergency medicine physicians near Dr. Karas
Counts of emergency medicine physicians 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 Karas Jr. billed Medicare for 12 services in 2020
CMS data shows 12 Medicare services from Dr. Karas across 1 procedure code in 2020. Medicare paid $1,668 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Karas' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1602020: 1293%
- Tests and treatments
- 2019: 882020: 0100%
Dr. Karas compared with the California median for emergency medicine physicians, 2020
- Dr. Karas
- California median
- Medicare services
- 12vs 26595% below
- Part D claims
- 65vs 62Close to median
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Karas' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Karas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karas and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Karas Jr.'s patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Karas' median patient age at 42, with 68% women.
Dr. Karas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women68%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. Stephen Karas Jr. wrote 190 Medicare Part D claims in 2024
In 2024, Dr. Karas wrote 190 Medicare Part D claims for 88 patients. 92% of them were for generic drugs. CMS names the drug for 65 of them, across 3 drugs with 11 or more claims each, at $1,274 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Dr. Karas' Part D claims by kind of drug, 2024
- Generic175 claims92%
- Brand-name and other15 claims8%
Dr. Karas' 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. Karas' Part D claims, 2024
- Antibiotics15%29 of 190 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: 422024: 6555%
Drugs named by CMS: 3 in 2024, 3 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 Karas Jr. received $129 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Karas from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ShockWave Medical, Inc paid the most, $129.
Companies that paid Dr. Karas the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Karas Jr. graduated from The Johns Hopkins University School of Medicine
Dr. Karas graduated from The Johns Hopkins University School of Medicine in 1970.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Stephen Karas Jr. accepts plans from 7 insurance carriers
Dr. Karas is in network with 7 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and DentaQuest. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- DentaQuest
- Elevance
- GA State Medicaid
- HCSC
- Molina
Plan types Dr. Karas accepts, by number of carriers
- PPO3
- HMO2
- Medicare2
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Karas Jr.'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Stephen Karas Jr.
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 Karas Jr.'s NPI number?
Dr. Stephen Karas Jr.'s NPI number is 1376537928. It was assigned on September 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Karas Jr.?
Dr. Stephen Karas Jr. is an emergency medicine physician in Oceanside, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Stephen Karas Jr. practice?
Dr. Karas practices at 4002 Vista Way, Oceanside, CA 92056. Dr. Karas' primary practice is Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare.
What is Dr. Stephen Karas Jr.'s office phone number?
The practice phone on file for Dr. Karas is (760) 724-8411.
What is Dr. Stephen Karas Jr.'s medical license number?
Dr. Karas holds California license G25539, one of the licenses on file in 3 states.
Which states has Dr. Stephen Karas Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Karas in California (1973 to 2026), Texas (2019 to 2026) and Oregon (1995 to 2025).
Which hospitals is Dr. Stephen Karas Jr. affiliated with?
Dr. Karas practices at Sharp Tri-City Medical Center in Oceanside, California.
What medical group is Dr. Stephen Karas Jr. part of?
Dr. Karas is linked to Sierra Emergency Medical Group.
Does Dr. Stephen Karas Jr. accept Medicare?
Yes. CMS data shows Dr. Karas billed Medicare for 12 services in 2020.
Is Dr. Stephen Karas Jr. board certified?
Yes. Dr. Karas is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Stephen Karas Jr. bill to Medicare?
In 2020, Dr. Karas' most billed Medicare services were emergency department visit (99285).
Where did Dr. Stephen Karas Jr. go to medical school?
Dr. Karas graduated from The Johns Hopkins University School of Medicine in 1970.
What drugs does Dr. Stephen Karas Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Karas' most prescribed drugs by claims were Azelastine HCl, Fluticasone Propionate and Venlafaxine HCl ER.
Has Dr. Stephen Karas Jr. received payments from drug or device companies?
CMS Open Payments shows $129 in general payments to Dr. Karas from 1 company from 2025 to 2025. The largest total came from ShockWave Medical, Inc.
How long has Dr. Stephen Karas Jr. been practicing?
Dr. Karas graduated from medical school in 1970, 56 years ago.
What insurance does Dr. Stephen Karas Jr. accept?
Dr. Karas is in network with 7 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and DentaQuest. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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