Edward Ko, MD
NPI 1841364841 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edward Ko, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1841364841).
Provider details
- NPI number
- 1841364841
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A61149 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
640 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 322 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 151 | $152 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 48 | $156 |
| Administration of Influenza Virus VaccineG0008 | 43 | $39 |
| Administration of Pneumococcal VaccineG0009 | 40 | $39 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 955 | 272 |
| Losartan Potassium | 907 | 257 |
| Amlodipine Besylate | 619 | 171 |
| Metoprolol Succinate | 316 | 88 |
| Famotidine | 309 | 107 |
| Triamcinolone Acetonide | 284 | 113 |
| Dapagliflozin Propanediolbrand: Farxiga |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,880 across 94 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2020-10-13
- Certified
- 2020-10-13
Frequently asked questions
- What is Edward Ko's NPI number?
- Edward Ko's National Provider Identifier (NPI) is 1841364841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edward Ko's specialty?
- Edward Ko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Edward Ko located?
- Edward Ko's practice location on file with NPPES is 818 Jackson St, San Francisco, CA 94133-4849.
- What is Edward Ko's phone number?
- The practice phone number listed in the NPPES registry for Edward Ko is (415) 956-9823.
- Does Edward Ko accept Medicare?
- Edward Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edward Ko's NPI active?
- Yes — Edward Ko's NPI (1841364841) is active in the NPPES registry as of the last update on 2020-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.