Catherine Lam, OD
- Industry payments
- $246
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 23600 El Toro Rd, Lake Forest, CA 92630
- Practice phone
- Call (800) 571-5202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
National Vision, Inc.
Lake Forest, California
Find Catherine Lam'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.
Catherine Lam is an optometrist in Lake Forest, California
Catherine Lam practices at National Vision, Inc. in Lake Forest, California.
Catherine Lam's NPI, 1467123521, was assigned on September 27, 2021. Catherine Lam graduated from New England College of Optometry in 2021. Catherine Lam holds California license 34999.
- NPI
- 1467123521NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820518533
- NPI enumeration date
- September 27, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 571-5202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Catherine Lam practices at National Vision, Inc. in Lake Forest, California
Catherine Lam's primary practice is National Vision, Inc., at 23600 El Toro Rd, Lake Forest, CA 92630 in Orange County. The practice phone is (800) 571-5202.
- National Vision, Inc.23600 El Toro Rd, Lake Forest, CA 92630 · Orange CountyPhone(800) 571-5202
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Catherine Lam is affiliated with 2 sites of care and 1 medical group
Catherine Lam's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Catherine Lam 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 Catherine Lam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Lam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Vision, 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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Catherine Lam is one of 7,206 optometrists in California
Optometrist is Catherine Lam's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Catherine Lam is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Catherine Lam
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
Catherine Lam's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Catherine Lam's median patient age at 33, with 62% women.
Catherine Lam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
How Catherine Lam takes part in Medicare
Catherine Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Catherine Lam received $246 in industry payments in 2025
CMS Open Payments shows 4 general payments to Catherine Lam from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $174.
Companies that paid Catherine Lam the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Catherine Lam graduated from New England College of Optometry
Catherine Lam graduated from New England College of Optometry in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Catherine Lam'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Catherine Lam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Catherine Lam's NPI number?
Catherine Lam's NPI number is 1467123521. It was assigned on September 27, 2021, and it is active in the NPI Registry.
What does Catherine Lam specialize in?
Catherine Lam is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Catherine Lam practice?
Catherine Lam practices at 23600 El Toro Rd, Lake Forest, CA 92630. Catherine Lam's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Catherine Lam to 1 group practice or clinic and 1 medical group.
What is Catherine Lam's office phone number?
The practice phone on file for Catherine Lam is (800) 571-5202.
What is Catherine Lam's medical license number?
Catherine Lam holds California license 34999.
Does Catherine Lam accept Medicare?
Yes. CMS lists Catherine Lam as accepting Medicare assignment.
Where did Catherine Lam go to medical school?
Catherine Lam graduated from New England College of Optometry in 2021.
Has Catherine Lam received payments from drug or device companies?
CMS Open Payments shows $246 in general payments to Catherine Lam from 3 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Catherine Lam been practicing?
Catherine Lam graduated from medical school in 2021, 5 years ago.
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