OrganizationActive
Mark H Barak MD
NPI 1053287755 · Ophthalmology Physician · La Verne, CA
Mark H Barak MD is a Ophthalmology Physician organization in La Verne, CA (NPI 1053287755).
Provider details
- NPI number
- 1053287755
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Diana Ceballos, Management(909) 596-5900
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1911 Foothill Blvd
La Verne, CA 91750-3511
Phone: (909) 596-5900
Fax: (909) 596-1655
Street-level locationGet directions
Mailing address
1911 Foothill Blvd
La Verne, CA 91750-3511
Registry dates
- Enumerated
- 2025-10-11
- Last updated
- 2025-10-11
- Certified
- 2025-10-11
Frequently asked questions
- What is Mark H Barak MD's NPI number?
- Mark H Barak MD's National Provider Identifier (NPI) is 1053287755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark H Barak MD?
- Mark H Barak MD is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark H Barak MD located?
- Mark H Barak MD's practice location on file with NPPES is 1911 Foothill Blvd, La Verne, CA 91750-3511.
- What is Mark H Barak MD's phone number?
- The practice phone number listed in the NPPES registry for Mark H Barak MD is (909) 596-5900.
- Who is the authorized official for Mark H Barak MD?
- The authorized official listed on Mark H Barak MD's NPPES record is Diana Ceballos, Management. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark H Barak MD's NPI active?
- Yes — Mark H Barak MD's NPI (1053287755) is active in the NPPES registry as of the last update on 2025-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.