Efrain Mascareno, OD
- Industry payments
- $334
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 440 4th Ave, Chula Vista, CA 91910
- Practice phone
- Call (619) 427-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clear Vision Optometry
Eye care practice · Chula Vista, California
Find Efrain Mascareno'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.
Efrain Mascareno is an optometrist in Chula Vista, California
Efrain Mascareno practices at Clear Vision Optometry in Chula Vista, California.
Efrain Mascareno's NPI, 1457507279, was assigned on August 12, 2008. Efrain Mascareno graduated from University of California - School of Optometry in 1997. Efrain Mascareno holds California license 10906.
- NPI
- 1457507279NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719908136
- NPI enumeration date
- August 12, 2008
- NPI status
- Active
- Practice phone
- (619) 427-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Efrain Mascareno practices at Clear Vision Optometry in Chula Vista, California
Efrain Mascareno's primary practice is Clear Vision Optometry, at 440 4th Ave, Chula Vista, CA 91910. The practice phone is (619) 427-2020.
- Clear Vision Optometry440 4th Ave, Chula Vista, CA 91910Phone(619) 427-2020
Source: Dmand AI Affiliation Data
Efrain Mascareno is affiliated with 1 site of care and 1 medical group
Efrain Mascareno's primary practice is Clear Vision Optometry in Chula Vista, California. Dmand AI also links Efrain Mascareno to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Efrain Mascareno's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Efrain Mascareno practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clear Vision Optometry | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Efrain Mascareno is one of 7,206 optometrists in California
Optometrist is Efrain Mascareno's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Efrain Mascareno is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Efrain Mascareno
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
Efrain Mascareno's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Efrain Mascareno's median patient age at 68, with 63% women.
Efrain Mascareno's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
Efrain Mascareno received $334 in industry payments in 2025
CMS Open Payments shows 2 general payments to Efrain Mascareno from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Marco Ophthalmic, Inc. paid the most, $239.
Companies that paid Efrain Mascareno the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Efrain Mascareno graduated from University of California - School of Optometry
Efrain Mascareno graduated from University of California - School of Optometry in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Efrain Mascareno'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 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 Efrain Mascareno
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What is Efrain Mascareno's NPI number?
Efrain Mascareno's NPI number is 1457507279. It was assigned on August 12, 2008, and it is active in the NPI Registry.
What does Efrain Mascareno specialize in?
Efrain Mascareno is an optometrist in Chula Vista, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Efrain Mascareno practice?
Efrain Mascareno practices at 440 4th Ave, Chula Vista, CA 91910. Efrain Mascareno's primary practice is Clear Vision Optometry in Chula Vista, California. Dmand AI also links Efrain Mascareno to 1 medical group.
What is Efrain Mascareno's office phone number?
The practice phone on file for Efrain Mascareno is (619) 427-2020.
What is Efrain Mascareno's medical license number?
Efrain Mascareno holds California license 10906.
Where did Efrain Mascareno go to medical school?
Efrain Mascareno graduated from University of California - School of Optometry in 1997.
Has Efrain Mascareno received payments from drug or device companies?
CMS Open Payments shows $334 in general payments to Efrain Mascareno from 2 companies from 2025 to 2025. The largest total came from Marco Ophthalmic, Inc.
How long has Efrain Mascareno been practicing?
Efrain Mascareno graduated from medical school in 1997, 29 years ago.
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