Joel Lym, MD
NPI 1033294798 · Internal Medicine Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Lym, MD is a Internal Medicine Physician provider in Fremont, CA (NPI 1033294798).
Provider details
- NPI number
- 1033294798
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A84306 (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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 228 | 76 |
| Amlodipine Besylate | 120 | 49 |
| Lisinopril | 102 | 35 |
| Simvastatin | 84 | 29 |
| Rosuvastatin Calcium | 76 | 28 |
| Losartan Potassium | 75 | 29 |
| Metformin Hclbrand: Metformin Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2021-12-09
Frequently asked questions
- What is Joel Lym's NPI number?
- Joel Lym's National Provider Identifier (NPI) is 1033294798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Lym's specialty?
- Joel Lym is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Lym located?
- Joel Lym's practice location on file with NPPES is 39400 Paseo Padre Pkwy, Fremont, CA 94538-2310.
- What is Joel Lym's phone number?
- The practice phone number listed in the NPPES registry for Joel Lym is (510) 795-3000.
- Does Joel Lym accept Medicare?
- Joel Lym is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Lym's NPI active?
- Yes — Joel Lym's NPI (1033294798) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.