Garlan G. Lo, M.D.
Ophthalmology Physician · Hacienda Heights, CA
Garlan G. Lo, M.D. is an ophthalmology physician with a practice address in Hacienda Heights, California, and NPI 1043276140, issued on Apr 26, 2006. Check the license (California G57913, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Garlan G. Lo
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G57913 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 S Azusa Ave, Hacienda Heights, CA 91745
- Phone
- (626) 912-6888
- Enumerated
- Apr 26, 2006
- Record last updated
- Jan 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (626) 913-9281
- Medicaid ID
- 00G579130 CA
- Medicare enrollment
- Enrolled (PECOS I20101015000753); accepts Medicare assignment
- Medical or professional school
- National College Of Chiropractic, 1985
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 1850 S Azusa Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Garlan G. Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11.8 times the Medicare Part D claims of the average ophthalmology physician in 2024
17,871 Medicare Part D claims for 3,129 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl4,036 claims
- Latanoprost3,343 claims
- Erythromycin1,113 claims
- Timolol Maleate1,112 claims
- Cyclosporine1,106 claims
- Dorzolamide-Timolol1,089 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,533.90
73 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Puente Hills Eye Care Center, Inc.Hacienda Heights, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garlan G. Lo among 2,899 ophthalmology physician records in California
Garlan G. Lo, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 2001 among the 1,907 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Hacienda Heights → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Danielle Lo, M.D.Hacienda Heights, CA 917451164878948
- Dante Almendral, M.DRowland Heights, CA 917481407808637
- Brian Harrow, M.D.City Of Industry, CA 917481023404118
- Adam Hsu, M.D.City Of Industry, CA 917481699825083
- Lei Jiang, M.D.City Of Industry, CA 917481689800468
- Robert Lin, M.D.City Of Industry, CA 917481760456248
- Patrick Pham, M.D.City Of Industry, CA 917481184078149
- Susie Wong, M.D.City Of Industry, CA 917481144250994
Common questions
What is Garlan G. Lo, M.D.'s NPI number?
Garlan G. Lo, M.D.'s National Provider Identifier (NPI) is 1043276140, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Garlan G. Lo, M.D. located?
The NPPES record lists a practice address at 1850 S Azusa Ave, Hacienda Heights, CA, 91745. Phone: (626) 912-6888. Providers update this record themselves, so call before visiting.
How can I verify Garlan G. Lo, M.D.'s license?
NPPES lists California license number G57913, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Garlan G. Lo, M.D. prescribe under Medicare Part D?
In 2024, Garlan G. Lo, M.D. had 17,871 Medicare Part D claims for 3,129 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.