Gigette Collazo Harfst, OD
- Industry payments
- $8,713
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2006
- 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 Gigette Harfst'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.
Gigette Collazo Harfst is an optometrist in Lake Forest, California
Gigette Harfst practices at National Vision, Inc. in Lake Forest, California.
Gigette Harfst's NPI, 1356317796, was assigned on February 26, 2006. Gigette Harfst graduated from Pennsylvania College of Optometry in 1991. Gigette Harfst holds New Jersey license 27OA00514000.
- NPI
- 1356317796NPI Registry (opens in a new tab)
- NPI enumeration date
- February 26, 2006
- NPI status
- Active
- Practice phone
- (800) 571-5202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Gigette Collazo Harfst practices at National Vision, Inc. in Lake Forest, California
Gigette Harfst'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
Gigette Collazo Harfst is affiliated with 2 sites of care and 2 medical groups
Gigette Harfst's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Gigette Harfst to 2 medical groups and 1 group practice or clinic, 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 Gigette Collazo Harfst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gigette Harfst 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 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gigette Collazo Harfst is one of 7,206 optometrists in California
Optometrist is Gigette Harfst's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Gigette Harfst's licenses on file in 2 states: New Jersey and Virginia.
Specialties and state licenses
- Optometrist, New JerseyPrimary
- Virginia license
Optometrists near Gigette Harfst
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
Gigette Collazo Harfst's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Gigette Harfst's median patient age at 67, with 54% women.
Gigette Harfst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women54%
- Men38%
Source: Dmand AI Patient Panel Data
Gigette Collazo Harfst received $8,713 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gigette Harfst from 2 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 99% of the total. Optos, Inc. paid the most, $8,665.
General payments to Gigette Harfst by kind, 2025 to 2025
- Speaker and faculty fees$8,66599%
- Food and beverage$481%
Companies that paid Gigette Harfst the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gigette Collazo Harfst graduated from Pennsylvania College of Optometry
Gigette Harfst graduated from Pennsylvania College of Optometry in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gigette Collazo Harfst'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 |
| 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 Gigette Collazo Harfst
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What is Gigette Collazo Harfst's NPI number?
Gigette Collazo Harfst's NPI number is 1356317796. It was assigned on February 26, 2006, and it is active in the NPI Registry.
What does Gigette Collazo Harfst specialize in?
Gigette Collazo Harfst is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gigette Collazo Harfst practice?
Gigette Harfst practices at 23600 El Toro Rd, Lake Forest, CA 92630. Gigette Harfst's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Gigette Harfst to 2 medical groups and 1 group practice or clinic.
What is Gigette Collazo Harfst's office phone number?
The practice phone on file for Gigette Harfst is (800) 571-5202.
What is Gigette Collazo Harfst's medical license number?
Gigette Harfst holds New Jersey license 27OA00514000, one of the licenses on file in 2 states.
Which states has Gigette Collazo Harfst been licensed in?
Dmand AI has state licenses on file for Gigette Harfst in New Jersey and Virginia.
Where did Gigette Collazo Harfst go to medical school?
Gigette Harfst graduated from Pennsylvania College of Optometry in 1991.
Has Gigette Collazo Harfst received payments from drug or device companies?
CMS Open Payments shows $8,713 in general payments to Gigette Harfst from 2 companies from 2025 to 2025. The largest total came from Optos, Inc.
How long has Gigette Collazo Harfst been practicing?
Gigette Harfst graduated from medical school in 1991, 35 years ago.
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