Mary Chheng, PHARMD
NPI 1720471659 · Pharmacist · Lancaster, CA
Mary Chheng, PHARMD is a Pharmacist provider in Lancaster, CA (NPI 1720471659).
Provider details
- NPI number
- 1720471659
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Female
- Sole proprietor
- No
- License
- 72317 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 78 | 39 |
| Ondansetron Hcl | 67 | 43 |
| Prochlorperazine Maleate | 50 | 23 |
| Potassium Chloride | 35 | 12 |
| Acyclovir | 26 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 18 | — |
| Olanzapine | 13 | 11 |
| Famotidine | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-17
- Last updated
- 2015-03-17
Frequently asked questions
- What is Mary Chheng's NPI number?
- Mary Chheng's National Provider Identifier (NPI) is 1720471659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Chheng's specialty?
- Mary Chheng is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mary Chheng located?
- Mary Chheng's practice location on file with NPPES is 44247 Casa Nova Dr, Lancaster, CA 93536-6038.
- What is Mary Chheng's phone number?
- The practice phone number listed in the NPPES registry for Mary Chheng is (616) 403-4078.
- Is Mary Chheng's NPI active?
- Yes — Mary Chheng's NPI (1720471659) is active in the NPPES registry as of the last update on 2015-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.