Diana Lee MD, PC
NPI 1427740828 · Ophthalmologic Surgery Clinic/Center · Fullerton, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Lee MD, PC is a Ophthalmologic Surgery Clinic/Center organization in Fullerton, CA (NPI 1427740828).
Provider details
- NPI number
- 1427740828
- Entity type
- Organization
- Primary specialty
- Ophthalmologic Surgery Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Diana Lee, President/Chief Executive Officer(657) 286-5375
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-05-23
- Last updated
- 2025-09-11
- Certified
- 2023-05-23
Frequently asked questions
- What is Diana Lee MD, PC's NPI number?
- Diana Lee MD, PC's National Provider Identifier (NPI) is 1427740828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diana Lee MD, PC?
- Diana Lee MD, PC is classified in the NPPES registry as Ophthalmologic Surgery Clinic/Center (Ambulatory Health Care Facilities).
- Where is Diana Lee MD, PC located?
- Diana Lee MD, PC's practice location on file with NPPES is 2226 N State College Blvd, Fullerton, CA 92831-1361.
- What is Diana Lee MD, PC's phone number?
- The practice phone number listed in the NPPES registry for Diana Lee MD, PC is (657) 286-5375.
- Does Diana Lee MD, PC accept Medicare?
- Diana Lee MD, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Diana Lee MD, PC?
- The authorized official listed on Diana Lee MD, PC's NPPES record is Diana Lee, President/Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diana Lee MD, PC's NPI active?
- Yes — Diana Lee MD, PC's NPI (1427740828) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.