Harriet D. Halstein, OD
- Industry payments
- $34
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- 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 Harriet Halstein'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.
Harriet D. Halstein is an optometrist in Lake Forest, California
Harriet Halstein practices at National Vision, Inc. in Lake Forest, California.
Harriet Halstein's NPI, 1033327432, was assigned on May 18, 2007. Harriet Halstein holds New York license 5243-1.
- NPI
- 1033327432NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2007
- NPI status
- Active
- Practice phone
- (800) 571-5202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Harriet D. Halstein practices at National Vision, Inc. in Lake Forest, California
Harriet Halstein'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
Harriet D. Halstein is affiliated with 2 sites of care and 1 medical group
Harriet Halstein's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Harriet Halstein 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 Harriet D. Halstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Harriet Halstein 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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Harriet D. Halstein is one of 7,206 optometrists in California
Optometrist is Harriet Halstein's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Harriet Halstein is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near Harriet Halstein
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
Harriet D. Halstein's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Harriet Halstein's median patient age at 65, with 63% women.
Harriet Halstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Harriet D. Halstein received $34 in industry payments in 2025
CMS Open Payments shows 1 general payment to Harriet Halstein from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $34.
Companies that paid Harriet Halstein the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Harriet D. Halstein'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) |
| 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 Harriet D. Halstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Harriet D. Halstein's NPI number?
Harriet D. Halstein's NPI number is 1033327432. It was assigned on May 18, 2007, and it is active in the NPI Registry.
What does Harriet D. Halstein specialize in?
Harriet D. Halstein is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Harriet D. Halstein practice?
Harriet Halstein practices at 23600 El Toro Rd, Lake Forest, CA 92630. Harriet Halstein's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Harriet Halstein to 1 group practice or clinic and 1 medical group.
What is Harriet D. Halstein's office phone number?
The practice phone on file for Harriet Halstein is (800) 571-5202.
What is Harriet D. Halstein's medical license number?
Harriet Halstein holds New York license 5243-1.
Has Harriet D. Halstein received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Harriet Halstein from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Harriet D. Halstein been practicing?
Harriet Halstein's NPI was assigned in 2007.
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