Calvin Yang, M.D.
NPI 1871987727 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Yang, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1871987727).
Provider details
- NPI number
- 1871987727
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 50 | 20 |
| Atorvastatin Calcium | 44 | 19 |
| Furosemide | 33 | 20 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 24 | 14 |
| Lactulose | 20 | — |
| Cefpodoxime Proxetil | 17 | 16 |
| Metoprolol Tartrate | 17 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-27
- Last updated
- 2022-02-10
Frequently asked questions
- What is Calvin Yang's NPI number?
- Calvin Yang's National Provider Identifier (NPI) is 1871987727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Yang's specialty?
- Calvin Yang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Yang located?
- Calvin Yang's practice location on file with NPPES is 4733 W Sunset Blvd, Los Angeles, CA 90027-6021.
- What is Calvin Yang's phone number?
- The practice phone number listed in the NPPES registry for Calvin Yang is (800) 954-8000.
- Does Calvin Yang accept Medicare?
- Calvin Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Yang's NPI active?
- Yes — Calvin Yang's NPI (1871987727) is active in the NPPES registry as of the last update on 2022-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.