Charlene Lin, MD
NPI 1447888375 · Internal Medicine Physician · Yorba Linda, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlene Lin, MD is a Internal Medicine Physician provider in Yorba Linda, CA (NPI 1447888375).
Provider details
- NPI number
- 1447888375
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A184851 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
916 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 410 | $139 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 216 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $98 |
| Administration of Influenza Virus VaccineG0008 | 31 | $35 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 30 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 206 | 98 |
| Amlodipine Besylate | 183 | 73 |
| Levothyroxine Sodium | 149 | 59 |
| Rosuvastatin Calcium | 134 | 60 |
| Losartan Potassium | 105 | 43 |
| Lisinopril | 100 | 34 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$628 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-27
- Last updated
- 2023-08-25
- Certified
- 2023-08-25
Frequently asked questions
- What is Charlene Lin's NPI number?
- Charlene Lin's National Provider Identifier (NPI) is 1447888375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlene Lin's specialty?
- Charlene Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charlene Lin located?
- Charlene Lin's practice location on file with NPPES is 4300 Rose Dr, Yorba Linda, CA 92886-2026.
- What is Charlene Lin's phone number?
- The practice phone number listed in the NPPES registry for Charlene Lin is (714) 528-4211.
- Does Charlene Lin accept Medicare?
- Charlene Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlene Lin's NPI active?
- Yes — Charlene Lin's NPI (1447888375) is active in the NPPES registry as of the last update on 2023-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.