Dr. Garlan G. Lo, MD
- Medicare services, 2024
- 11,921
- Medicare patients, 2024
- 1,760
- Part D claims, 2024
- 17,871
- Industry payments
- $17,953
- Affiliated sites
- 1
- Practice address
- 1850 S Azusa Ave, Hacienda Heights, CA 91745
- Practice phone
- Call (626) 912-6888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Puente Hills Eye Care Center, Inc.
Hacienda Heights, California
Find Dr. Lo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Garlan G. Lo is an ophthalmologist in Hacienda Heights, California
Dr. Lo practices at Puente Hills Eye Care Center, Inc. in Hacienda Heights, California.
Dr. Lo's NPI, 1043276140, was assigned on April 26, 2006. Dr. Lo graduated from Feinberg School of Medicine in 1985. Dr. Lo holds California license G57913.
- NPI
- 1043276140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658308663
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 912-6888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garlan G. Lo practices at Puente Hills Eye Care Center, Inc. in Hacienda Heights, California
Dr. Lo's primary practice is Puente Hills Eye Care Center, Inc., at 1850 S Azusa Ave, Hacienda Heights, CA 91745 in Los Angeles County. The practice phone is (626) 912-6888.
- Puente Hills Eye Care Center, Inc.1850 S Azusa Ave, Hacienda Heights, CA 91745 · Los Angeles CountyPhone(626) 912-6888
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Garlan G. Lo is affiliated with 2 sites of care and 1 medical group
Dr. Lo's primary practice is Puente Hills Eye Care Center, Inc. in Hacienda Heights, California. Dmand AI also links Dr. Lo to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Garlan G. Lo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Puente Hills Eye Care Center, Inc. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Garlan G. Lo is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Lo's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Lo is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Lo is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Lo treats.
Ophthalmologists near Dr. Lo
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Garlan G. Lo billed Medicare for 11,921 services in 2024
CMS data shows 11,921 Medicare services from Dr. Lo across 19 procedure codes in 2024, for 1,760 Medicare patients. Medicare paid $977,525 for them.
Dr. Lo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 12,2542024: 10,24016%
- Drugs given in the office
- 2023: 9112024: 8526%
- Surgery
- 2023: 1,1342024: 82927%
Where Dr. Lo's Medicare services took place, 2024
- In an office11,69698%
- In a facility2252%
Dr. Lo compared with the California median for ophthalmologists, 2024
- Dr. Lo
- California median
- Medicare services
- 11,921vs 1,07911.0 times
- Medicare patients
- 1,760vs 4214.2 times
- Part D claims
- 17,755vs 61828.7 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Lo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lo and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Garlan G. Lo treated 1,760 Medicare patients in 2024, average age 77
CMS counts 1,760 Medicare patients who saw Dr. Lo in 2024. The largest group is 65 to 74, with 733 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lo's median patient age at 69, with 55% women.
Dr. Lo's Medicare patients by age, 2024
Dr. Lo's Medicare patients by sex, 2024
- Women1,07961%
- Men68139%
Chronic conditions among Dr. Lo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Arthritis41%
- Chronic kidney disease36%
- Osteoporosis36%
- Ischemic heart disease28%
- Heart failure14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Garlan G. Lo wrote 17,871 Medicare Part D claims in 2024
In 2024, Dr. Lo wrote 17,871 Medicare Part D claims for 3,129 patients. 66% of them were for generic drugs. CMS names the drug for 17,755 of them, across 49 drugs with 11 or more claims each, at $2,791,078 in total drug cost. In 2023, CMS named 16,401 claims across 50 drugs.
Dr. Lo's Part D claims by kind of drug, 2024
- Generic11,763 claims66%
- Brand-name and other6,108 claims34%
Dr. Lo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lo's Part D claims, 2024
- Antibiotics0%14 of 17,871 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 16,4012024: 17,7558%
Drugs named by CMS: 49 in 2024, 50 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Garlan G. Lo ranks in the 84th percentile for cataract surgery in Medicare
Dr. Lo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 199 procedures of cataract surgery by Dr. Lo, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lo ranks in Medicare procedure volume
- Cataract surgery
- 84th percentile199 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Garlan G. Lo received $17,953 in industry payments from 2016 to 2025
CMS Open Payments shows 900 general payments to Dr. Lo from 40 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Allergan Inc. paid the most, $2,190.
General payments to Dr. Lo by program year, 2016 to 2025
General payments to Dr. Lo by kind, 2016 to 2025
- Food and beverage$17,69299%
- Consulting fees$1501%
- Gifts$820%
- Entertainment$290%
Companies that paid Dr. Lo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Garlan G. Lo has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Lo, most recently AAO Fellow in 2013.
Awards and honors for Dr. Lo
- 2013
- AAO Fellow
- Undated
- CMS Stage 1 EHR
- USC Volunteer Professor
Source: Dmand AI Professional Profile Data
Dr. Garlan G. Lo graduated from Feinberg School of Medicine
Dr. Lo graduated from Feinberg School of Medicine in 1985. Dr. Lo is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Garlan G. Lo accepts plans from 17 insurance carriers
Dr. Lo is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Molina
- +9 more carriersWith a free account
Plan types Dr. Lo accepts, by number of carriers
- HMO9
- Medicare9
- PPO9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Garlan G. Lo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Garlan G. Lo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Garlan G. Lo's NPI number?
Dr. Garlan G. Lo's NPI number is 1043276140. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Garlan G. Lo?
Dr. Garlan G. Lo is an ophthalmologist in Hacienda Heights, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Garlan G. Lo practice?
Dr. Lo practices at 1850 S Azusa Ave, Hacienda Heights, CA 91745. Dr. Lo's primary practice is Puente Hills Eye Care Center, Inc. in Hacienda Heights, California. Dmand AI also links Dr. Lo to 1 group practice or clinic and 1 medical group.
What is Dr. Garlan G. Lo's office phone number?
The practice phone on file for Dr. Lo is (626) 912-6888.
What is Dr. Garlan G. Lo's medical license number?
Dr. Lo holds California license G57913.
Does Dr. Garlan G. Lo accept Medicare?
Yes. CMS data shows Dr. Lo billed Medicare for 11,921 services in 2024, and Dr. Lo accepts Medicare assignment.
How many Medicare patients does Dr. Garlan G. Lo see?
CMS counts 1,760 Medicare patients who saw Dr. Lo in 2024, with an average age of 77.
Is Dr. Garlan G. Lo board certified?
Yes. Dr. Lo is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Garlan G. Lo bill to Medicare?
In 2024, Dr. Lo's most billed Medicare services were eye exam or test (92136), eye exam or test (92014) and eye exam or test (92134).
Where did Dr. Garlan G. Lo go to medical school?
Dr. Lo graduated from Feinberg School of Medicine in 1985.
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What drugs does Dr. Garlan G. Lo prescribe most?
In 2024 Medicare Part D data, Dr. Lo's most prescribed drugs by claims were Azelastine HCl, Latanoprost and Erythromycin.
Has Dr. Garlan G. Lo received payments from drug or device companies?
CMS Open Payments shows $17,953 in general payments to Dr. Lo from 40 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Garlan G. Lo been practicing?
Dr. Lo graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Garlan G. Lo accept?
Dr. Lo is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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