Robert E. Downs, OD
- Part D claims, 2024
- 21
- Industry payments
- $512
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 10921 Cherry Street, Suite 100, Los Alamitos, CA 90720
- Practice phone
- Call (562) 795-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Alamitos Surgery Center
Surgery Center - Medicare-Certified · Los Alamitos, California
Find Robert Downs' 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.
Robert E. Downs is an optometrist in Los Alamitos, California
Robert Downs practices at Los Alamitos Surgery Center in Los Alamitos, California.
Robert Downs' NPI, 1093899817, was assigned on October 25, 2006. Robert Downs graduated from Southern California College of Optometry in 1980. Robert Downs holds California license CA 6898.
- NPI
- 1093899817NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294956009
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 795-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert E. Downs practices at Los Alamitos Surgery Center in Los Alamitos, California
Robert Downs' primary practice is Los Alamitos Surgery Center, at 10921 Cherry Street, Suite 100, Los Alamitos, CA 90720. The practice phone is (562) 795-5600.
- Los Alamitos Surgery Center10921 Cherry Street, Suite 100, Los Alamitos, CA 90720Phone(562) 795-5600
Source: Dmand AI Affiliation Data
Robert E. Downs is affiliated with 1 site of care
Robert Downs' primary practice is Los Alamitos Surgery Center in Los Alamitos, California.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert E. Downs' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Downs practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Alamitos Surgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert E. Downs is one of 7,206 optometrists in California
Optometrist is Robert Downs' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Robert Downs is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Robert Downs
Counts of optometrists 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
Robert E. Downs' patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Robert Downs' median patient age at 73, with 60% women.
Robert Downs' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women60%
- Men39%
Source: Dmand AI Patient Panel Data
Robert E. Downs wrote 21 Medicare Part D claims in 2024
In 2024, Robert Downs wrote 21 Medicare Part D claims for 18 patients. 81% of them were for generic drugs.
Robert Downs' Part D claims by kind of drug, 2024
- Generic17 claims81%
- Brand-name and other4 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Robert E. Downs takes part in Medicare
Robert Downs accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Robert E. Downs received $512 in industry payments in 2025
CMS Open Payments shows 5 general payments to Robert Downs from 3 drug and device companies in 2025. Food and beverage make up the largest share, 92% of the total. Glaukos Corporation paid the most, $294.
General payments to Robert Downs by kind, 2025 to 2025
- Food and beverage$47292%
- Entertainment$408%
Companies that paid Robert Downs the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert E. Downs graduated from Southern California College of Optometry
Robert Downs graduated from Southern California College of Optometry in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert E. Downs'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Robert E. Downs
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert E. Downs' NPI number?
Robert E. Downs' NPI number is 1093899817. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What does Robert E. Downs specialize in?
Robert E. Downs is an optometrist in Los Alamitos, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Robert E. Downs practice?
Robert Downs practices at 10921 Cherry Street, Suite 100, Los Alamitos, CA 90720. Robert Downs' primary practice is Los Alamitos Surgery Center in Los Alamitos, California.
What is Robert E. Downs' office phone number?
The practice phone on file for Robert Downs is (562) 795-5600.
What is Robert E. Downs' medical license number?
Robert Downs holds California license CA 6898.
Does Robert E. Downs accept Medicare?
Yes. CMS lists Robert Downs as accepting Medicare assignment.
Where did Robert E. Downs go to medical school?
Robert Downs graduated from Southern California College of Optometry in 1980.
Has Robert E. Downs received payments from drug or device companies?
CMS Open Payments shows $512 in general payments to Robert Downs from 3 companies from 2025 to 2025. The largest total came from Glaukos Corporation.
How long has Robert E. Downs been practicing?
Robert Downs graduated from medical school in 1980, 46 years ago.
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