Lorraine Cheng, MD
NPI 1912199696 · Family Medicine Physician · Monrovia, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lorraine Cheng, MD is a Family Medicine Physician provider in Monrovia, CA (NPI 1912199696).
Provider details
- NPI number
- 1912199696
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A103659 (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
18 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 59 | 58 |
| Prednisone | 44 | 43 |
| Meloxicam | 25 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Azithromycin | 19 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 15 | 15 |
| Ciprofloxacin Hcl | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-15
- Last updated
- 2021-12-03
Frequently asked questions
- What is Lorraine Cheng's NPI number?
- Lorraine Cheng's National Provider Identifier (NPI) is 1912199696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lorraine Cheng's specialty?
- Lorraine Cheng is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lorraine Cheng located?
- Lorraine Cheng's practice location on file with NPPES is 121 S Madison Ave Apt a, Monrovia, CA 91016-2571.
- What is Lorraine Cheng's phone number?
- The practice phone number listed in the NPPES registry for Lorraine Cheng is (818) 653-4463.
- Does Lorraine Cheng accept Medicare?
- Lorraine Cheng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lorraine Cheng's NPI active?
- Yes — Lorraine Cheng's NPI (1912199696) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.