Calvin Ly, DO
NPI 1376761767 · Emergency Medicine Physician · Hercules, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Ly, DO is a Emergency Medicine Physician provider in Hercules, CA (NPI 1376761767).
Provider details
- NPI number
- 1376761767
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 58001776 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
4,357 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 3,288 | $125 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 322 | $33 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 230 | $47 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 210 | $33 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 134 | $207 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 197 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 628 | 103 |
| Amlodipine Besylate | 490 | 72 |
| Levothyroxine Sodium | 459 | 47 |
| Apixabanbrand: Eliquis | 402 | 36 |
| Divalproex Sodium | 351 | 46 |
| Gabapentin | 345 | 60 |
| Furosemide | 334 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-23
- Last updated
- 2021-06-25
- Certified
- 2021-06-25
Frequently asked questions
- What is Calvin Ly's NPI number?
- Calvin Ly's National Provider Identifier (NPI) is 1376761767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Ly's specialty?
- Calvin Ly is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Ly located?
- Calvin Ly's practice location on file with NPPES is 600 Alfred Nobel Dr Ste a, Hercules, CA 94547-1834.
- What is Calvin Ly's phone number?
- The practice phone number listed in the NPPES registry for Calvin Ly is (510) 984-1103.
- Does Calvin Ly accept Medicare?
- Calvin Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Ly's NPI active?
- Yes — Calvin Ly's NPI (1376761767) is active in the NPPES registry as of the last update on 2021-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.