Chung-Lien Chen, M.D.
NPI 1558465930 · Family Medicine Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chung-Lien Chen, M.D. is a Family Medicine Physician provider in Whittier, CA (NPI 1558465930).
Provider details
- NPI number
- 1558465930
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A39685 (CA)
Specialties & taxonomies
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
52 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $139 |
Typical Medicare-allowed amounts for these services range $139–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 112 | 31 |
| Omeprazole | 88 | 25 |
| Diclofenac Sodium | 85 | 31 |
| Metformin Hcl | 78 | 22 |
| Atorvastatin Calcium | 73 | 26 |
| Simvastatin | 64 | 18 |
| Amlodipine Besylate | 62 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-07
- Last updated
- 2008-07-01
Frequently asked questions
- What is Chung-Lien Chen's NPI number?
- Chung-Lien Chen's National Provider Identifier (NPI) is 1558465930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chung-Lien Chen's specialty?
- Chung-Lien Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chung-Lien Chen located?
- Chung-Lien Chen's practice location on file with NPPES is 12802 Whittier Blvd, Whittier, CA 90602-2931.
- What is Chung-Lien Chen's phone number?
- The practice phone number listed in the NPPES registry for Chung-Lien Chen is (562) 698-0933.
- Does Chung-Lien Chen accept Medicare?
- Chung-Lien Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chung-Lien Chen's NPI active?
- Yes — Chung-Lien Chen's NPI (1558465930) is active in the NPPES registry as of the last update on 2008-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.