Dr. Lucas Douglas Karaelias, MD
- Medicare services, 2024
- 957
- Medicare patients, 2024
- 644
- Part D claims, 2024
- 436
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 1911 Johnson Ave, San Luis Obispo, CA 93401
- Practice phone
- Call (805) 543-5353
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Karaelias' professional email, personal email and mobile number
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Dr. Lucas Douglas Karaelias is an emergency medicine physician in San Luis Obispo, California
Dr. Karaelias practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health.
Dr. Karaelias' NPI, 1932363215, was assigned on July 15, 2008. Dr. Karaelias graduated from David Geffen School of Medicine at UCLA in 2005. Dr. Karaelias holds California license A97105.
- NPI
- 1932363215NPI Registry (opens in a new tab)
- NPI enumeration date
- July 15, 2008
- NPI status
- Active
- Practice phone
- (805) 543-5353
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Lucas Douglas Karaelias practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California
Dr. Karaelias' primary practice is Dignity Health - French Hospital Medical Center, at 1911 Johnson Ave, San Luis Obispo, CA 93401 in San Luis Obispo County. The practice phone is (805) 543-5353.
- Dignity Health - French Hospital Medical Center1911 Johnson Ave, San Luis Obispo, CA 93401 · San Luis Obispo CountyPhone(805) 543-5353
Source: Dmand AI Affiliation Data
Dr. Lucas Douglas Karaelias is affiliated with 2 sites of care and 2 medical groups
Dr. Karaelias' primary practice is Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health. The medical group on file is Vituity. Dmand AI also links Dr. Karaelias to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lucas Douglas Karaelias' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karaelias practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - French Hospital Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lucas Douglas Karaelias is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Karaelias' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Karaelias is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Karaelias is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Karaelias
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. Lucas Douglas Karaelias billed Medicare for 957 services in 2024
CMS data shows 957 Medicare services from Dr. Karaelias across 4 procedure codes in 2024, for 644 Medicare patients. Medicare paid $85,864 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Karaelias' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5502024: 63816%
- Tests and treatments
- 2023: 2882024: 31911%
Dr. Karaelias compared with the California median for emergency medicine physicians, 2024
- Dr. Karaelias
- California median
- Medicare services
- 957vs 2653.6 times
- Medicare patients
- 644vs 2432.7 times
- Part D claims
- 278vs 624.5 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Karaelias' most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lucas Douglas Karaelias treated 644 Medicare patients in 2024, average age 76
CMS counts 644 Medicare patients who saw Dr. Karaelias in 2024. The largest group is 75 to 84, with 262 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Karaelias' median patient age at 64, with 53% women.
Dr. Karaelias' Medicare patients by age, 2024
Dr. Karaelias' Medicare patients by sex, 2024
- Women33452%
- Men31048%
Chronic conditions among Dr. Karaelias' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Anxiety33%
- Ischemic heart disease31%
- Mood disorders31%
- Atrial fibrillation30%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karaelias' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lucas Douglas Karaelias wrote 436 Medicare Part D claims in 2024
In 2024, Dr. Karaelias wrote 436 Medicare Part D claims for 268 patients. 92% of them were for generic drugs. CMS names the drug for 278 of them, across 11 drugs with 11 or more claims each, at $7,847 in total drug cost. In 2023, CMS named 206 claims across 11 drugs.
Dr. Karaelias' Part D claims by kind of drug, 2024
- Generic403 claims92%
- Brand-name33 claims8%
Dr. Karaelias' 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. Karaelias' Part D claims, 2024
- Opioids12%53 of 436 claims
- Antibiotics36%155 of 436 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: 2062024: 27835%
Drugs named by CMS: 11 in 2024, 11 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
Dr. Lucas Douglas Karaelias scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Karaelias for performance year 2024, reported as part of a group.
Dr. Karaelias' MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lucas Douglas Karaelias graduated from David Geffen School of Medicine at UCLA
Dr. Karaelias graduated from David Geffen School of Medicine at UCLA in 2005.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Lucas Douglas Karaelias accepts plans from 5 insurance carriers
Dr. Karaelias is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Karaelias accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lucas Douglas Karaelias'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Lucas Douglas Karaelias
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. Lucas Douglas Karaelias' NPI number?
Dr. Lucas Douglas Karaelias' NPI number is 1932363215. It was assigned on July 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Lucas Douglas Karaelias?
Dr. Lucas Douglas Karaelias is an emergency medicine physician in San Luis Obispo, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Lucas Douglas Karaelias practice?
Dr. Karaelias practices at 1911 Johnson Ave, San Luis Obispo, CA 93401. Dr. Karaelias' primary practice is Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health. Dmand AI also links Dr. Karaelias to 1 group practice or clinic and 1 medical group.
What is Dr. Lucas Douglas Karaelias' office phone number?
The practice phone on file for Dr. Karaelias is (805) 543-5353.
What is Dr. Lucas Douglas Karaelias' medical license number?
Dr. Karaelias holds California license A97105.
Which hospitals is Dr. Lucas Douglas Karaelias affiliated with?
Dr. Karaelias practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California.
What medical group is Dr. Lucas Douglas Karaelias part of?
Dr. Karaelias is linked to Vituity. Dmand AI links Dr. Karaelias to 1 more medical group.
Does Dr. Lucas Douglas Karaelias accept Medicare?
Yes. CMS data shows Dr. Karaelias billed Medicare for 957 services in 2024.
What is Dr. Lucas Douglas Karaelias' MIPS score?
Dr. Karaelias' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lucas Douglas Karaelias see?
CMS counts 644 Medicare patients who saw Dr. Karaelias in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
Is Dr. Lucas Douglas Karaelias board certified?
Yes. Dr. Karaelias is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Lucas Douglas Karaelias bill to Medicare?
In 2024, Dr. Karaelias' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Lucas Douglas Karaelias go to medical school?
Dr. Karaelias graduated from David Geffen School of Medicine at UCLA in 2005.
What drugs does Dr. Lucas Douglas Karaelias prescribe most?
In 2024 Medicare Part D data, Dr. Karaelias' most prescribed drugs by claims were Ondansetron ODT, Amoxicillin-Clavulanate Potass and Doxycycline Hyclate.
How long has Dr. Lucas Douglas Karaelias been practicing?
Dr. Karaelias graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Lucas Douglas Karaelias accept?
Dr. Karaelias is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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