William Fermin
NPI 1750431615 · Durable Medical Equipment & Medical Supplies · Rancho Cucamonga, CA
William Fermin is a Durable Medical Equipment & Medical Supplies provider in Rancho Cucamonga, CA (NPI 1750431615).
Provider details
- NPI number
- 1750431615
- Entity type
- Individual
- Primary specialty
- Durable Medical Equipment & Medical SuppliesSuppliers
- Sex
- Male
- Sole proprietor
- Yes
- License
- HMDRL101352 (CA)
Specialties & taxonomies
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Fermin's NPI number?
- William Fermin's National Provider Identifier (NPI) is 1750431615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fermin's specialty?
- William Fermin is listed in the NPPES registry with a primary specialty of Durable Medical Equipment & Medical Supplies (Suppliers).
- Where is William Fermin located?
- William Fermin's practice location on file with NPPES is 9604 7th St, Rancho Cucamonga, CA 91730-5610.
- What is William Fermin's phone number?
- The practice phone number listed in the NPPES registry for William Fermin is (909) 481-6299.
- Is William Fermin's NPI active?
- Yes — William Fermin's NPI (1750431615) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.