May C. Tam, OD
- Industry payments
- $24
- Affiliated sites
- 9
- Medical groups
- 8
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 3451 S Dogwood Ave, El Centro, CA 92243
- Practice phone
- Call (760) 336-3003
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optom-eyes Vision Care
Eye care practice · El Centro, California
Find May Tam'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.
May C. Tam is an optometrist in El Centro, California
May Tam practices at Optom-eyes Vision Care in El Centro, California.
May Tam's NPI, 1548255896, was assigned on September 13, 2005. May Tam graduated from Southern California College of Optometry in 2002. May Tam holds California license CA1960T.
- NPI
- 1548255896NPI Registry (opens in a new tab)
- NPI enumeration date
- September 13, 2005
- NPI status
- Active
- Practice phone
- (760) 336-3003
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
May C. Tam practices at Optom-eyes Vision Care in El Centro, California
May Tam's primary practice is Optom-eyes Vision Care, at 3451 S Dogwood Ave, El Centro, CA 92243. The practice phone is (760) 336-3003.
- Optom-eyes Vision Care3451 S Dogwood Ave, El Centro, CA 92243Phone(760) 336-3003
Source: Dmand AI Affiliation Data
May C. Tam is affiliated with 9 sites of care and 8 medical groups
May Tam's primary practice is Optom-eyes Vision Care in El Centro, California. Dmand AI also links May Tam to 8 medical groups, 7 group practices and clinics and 1 physician office, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at May C. Tam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where May Tam practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optom-eyes Vision Care | Available with a free account |
| +8 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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May C. Tam is one of 7,206 optometrists in California
Optometrist is May Tam's primary specialty in the NPI Registry, under taxonomy code 152W00000X. May Tam is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near May Tam
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
May C. Tam's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts May Tam's median patient age at 63, with 62% women.
May Tam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
May C. Tam received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to May Tam from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pharming Healthcare, Inc. paid the most, $24.
Companies that paid May Tam the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
May C. Tam graduated from Southern California College of Optometry
May Tam graduated from Southern California College of Optometry in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for May C. Tam'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 May C. Tam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is May C. Tam's NPI number?
May C. Tam's NPI number is 1548255896. It was assigned on September 13, 2005, and it is active in the NPI Registry.
What does May C. Tam specialize in?
May C. Tam is an optometrist in El Centro, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does May C. Tam practice?
May Tam practices at 3451 S Dogwood Ave, El Centro, CA 92243. May Tam's primary practice is Optom-eyes Vision Care in El Centro, California. Dmand AI also links May Tam to 8 medical groups, 7 group practices and clinics and 1 physician office.
What is May C. Tam's office phone number?
The practice phone on file for May Tam is (760) 336-3003.
What is May C. Tam's medical license number?
May Tam holds California license CA1960T.
Where did May C. Tam go to medical school?
May Tam graduated from Southern California College of Optometry in 2002.
Has May C. Tam received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to May Tam from 1 company from 2025 to 2025. The largest total came from Pharming Healthcare, Inc.
How long has May C. Tam been practicing?
May Tam graduated from medical school in 2002, 24 years ago.
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