Karen Cheng, MD
NPI 1487689386 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Cheng, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1487689386).
Provider details
- NPI number
- 1487689386
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G76877 (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
19 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
47 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 | 19 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 17 | $7 |
| Administration of Influenza Virus VaccineG0008 | 11 | $35 |
Typical Medicare-allowed amounts for these services range $7–$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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 24 |
| Rosuvastatin Calcium | 24 |
| Amlodipine Besylate | 22 |
| Ezetimibe | 21 |
| Memantine Hcl | 15 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 13 |
| Spironolactone | 13 |
| Trazodone Hcl | 13 |
| Candesartan Cilexetil | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 1 record (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
- 2006-07-11
- Last updated
- 2012-09-28
Frequently asked questions
- What is Karen Cheng's NPI number?
- Karen Cheng's National Provider Identifier (NPI) is 1487689386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Cheng's specialty?
- Karen Cheng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Cheng located?
- Karen Cheng's practice location on file with NPPES is 200 Medical Plaza, Los Angeles, CA 90095-3075.
- What is Karen Cheng's phone number?
- The practice phone number listed in the NPPES registry for Karen Cheng is (310) 825-0631.
- Does Karen Cheng accept Medicare?
- Karen Cheng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Cheng's NPI active?
- Yes — Karen Cheng's NPI (1487689386) is active in the NPPES registry as of the last update on 2012-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.