IndividualActive
Marcus Lemley, MD
NPI 1558304147 · Ophthalmology Physician · Monrovia, CA
Marcus Lemley, MD is a Ophthalmology Physician provider in Monrovia, CA (NPI 1558304147).
Provider details
- NPI number
- 1558304147
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G16828 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
855 W Foothill Blvd
Monrovia, CA 91016-1938
Phone: (626) 305-9100
Fax: (626) 305-9150
Street-level locationGet directions
Mailing address
13177 Ramona Blvd
Baldwin Park, CA 91706-3855
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2016-11-01
Frequently asked questions
- What is Marcus Lemley's NPI number?
- Marcus Lemley's National Provider Identifier (NPI) is 1558304147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Lemley's specialty?
- Marcus Lemley is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Lemley located?
- Marcus Lemley's practice location on file with NPPES is 855 W Foothill Blvd, Monrovia, CA 91016-1938.
- What is Marcus Lemley's phone number?
- The practice phone number listed in the NPPES registry for Marcus Lemley is (626) 305-9100.
- Is Marcus Lemley's NPI active?
- Yes — Marcus Lemley's NPI (1558304147) is active in the NPPES registry as of the last update on 2016-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.