Derek Quan, NP-C
NPI 1508462862 · Family Nurse Practitioner · Ontario, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Quan, NP-C is a Family Nurse Practitioner provider in Ontario, CA (NPI 1508462862).
Provider details
- NPI number
- 1508462862
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 95015979 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 27 | — |
| Tramadol Hcl | 23 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 18 | — |
| Metoclopramide Hcl | 18 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | 11 |
| Famotidine | 17 | — |
| Donepezil Hcl | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-12-10
- Last updated
- 2023-03-03
- Certified
- 2023-03-03
Frequently asked questions
- What is Derek Quan's NPI number?
- Derek Quan's National Provider Identifier (NPI) is 1508462862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Quan's specialty?
- Derek Quan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Quan located?
- Derek Quan's practice location on file with NPPES is 3110 E Guasti Rd, Ontario, CA 91761-1219.
- What is Derek Quan's phone number?
- The practice phone number listed in the NPPES registry for Derek Quan is (858) 592-2000.
- Does Derek Quan accept Medicare?
- Derek Quan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Quan's NPI active?
- Yes — Derek Quan's NPI (1508462862) is active in the NPPES registry as of the last update on 2023-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.