Anthony Ko, MD
NPI 1437237211 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Ko, MD is a Internal Medicine Physician provider in Oakland, CA (NPI 1437237211).
Provider details
- NPI number
- 1437237211
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A67962 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 125 | 53 |
| Levothyroxine Sodium | 74 | 21 |
| Gabapentin | 44 | 15 |
| Losartan Potassium | 38 | 17 |
| Tamsulosin Hcl | 37 | 17 |
| Furosemide | 33 | 16 |
| Metoprolol Tartrate | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-06
Frequently asked questions
- What is Anthony Ko's NPI number?
- Anthony Ko's National Provider Identifier (NPI) is 1437237211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Ko's specialty?
- Anthony Ko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Ko located?
- Anthony Ko's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Anthony Ko's phone number?
- The practice phone number listed in the NPPES registry for Anthony Ko is (510) 752-1000.
- Does Anthony Ko accept Medicare?
- Anthony Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Ko's NPI active?
- Yes — Anthony Ko's NPI (1437237211) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.