Elizabeth Ko, M.D.
NPI 1801189048 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Ko, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1801189048).
Provider details
- NPI number
- 1801189048
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A131980 (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
15 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
802 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 329 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 130 | $54 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 94 | $17 |
| Admn Sarscov2 Vacc 1 Dose90480 | 79 | $47 |
| Administration of Influenza Virus VaccineG0008 | 43 | $34 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 264 | 84 |
| Amlodipine Besylate | 167 | 51 |
| Levothyroxine Sodium | 146 | 43 |
| Lisinopril | 100 | 30 |
| Losartan Potassium | 99 | 29 |
| Rosuvastatin Calcium | 84 | 32 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-20
- Last updated
- 2017-06-01
Frequently asked questions
- What is Elizabeth Ko's NPI number?
- Elizabeth Ko's National Provider Identifier (NPI) is 1801189048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Ko's specialty?
- Elizabeth Ko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Ko located?
- Elizabeth Ko's practice location on file with NPPES is 11303 W Washington Blvd, Los Angeles, CA 90066-6003.
- What is Elizabeth Ko's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Ko is (310) 391-7281.
- Does Elizabeth Ko accept Medicare?
- Elizabeth Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Ko's NPI active?
- Yes — Elizabeth Ko's NPI (1801189048) is active in the NPPES registry as of the last update on 2017-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.