William De La Pena, M.D.
NPI 1598784415 · Ophthalmology Physician · Montebello, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William De La Pena, M.D. is a Ophthalmology Physician provider in Montebello, CA (NPI 1598784415).
Provider details
- NPI number
- 1598784415
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A31272 (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
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
- 2006-07-19
- Last updated
- 2007-08-16
Frequently asked questions
- What is William De La Pena's NPI number?
- William De La Pena's National Provider Identifier (NPI) is 1598784415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William De La Pena's specialty?
- William De La Pena is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William De La Pena located?
- William De La Pena's practice location on file with NPPES is 2446 W Whittier Blvd, Montebello, CA 90640-3041.
- What is William De La Pena's phone number?
- The practice phone number listed in the NPPES registry for William De La Pena is (323) 728-5500.
- Does William De La Pena accept Medicare?
- William De La Pena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William De La Pena's NPI active?
- Yes — William De La Pena's NPI (1598784415) is active in the NPPES registry as of the last update on 2007-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.