Karen Olaes, M.D.
NPI 1023336963 · Emergency Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Olaes, M.D. is a Emergency Medicine Physician provider in Los Angeles, CA (NPI 1023336963).
Provider details
- NPI number
- 1023336963
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A112279 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
244 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 119 | $181 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 46 | $125 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $138 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $98 |
| Critical Care, First 30-74 Minutes99291 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-15
- Last updated
- 2010-05-15
Frequently asked questions
- What is Karen Olaes's NPI number?
- Karen Olaes's National Provider Identifier (NPI) is 1023336963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Olaes's specialty?
- Karen Olaes is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Olaes located?
- Karen Olaes's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Karen Olaes's phone number?
- The practice phone number listed in the NPPES registry for Karen Olaes is (323) 226-6667.
- Does Karen Olaes accept Medicare?
- Karen Olaes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Olaes's NPI active?
- Yes — Karen Olaes's NPI (1023336963) is active in the NPPES registry as of the last update on 2010-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.