Annie C. Tam, OD
- Medicare patients, 2024
- 267
- Part D claims, 2024
- 54
- Industry payments
- $544
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 3333 Quality Dr, Rancho Cordova, CA 95670
- Practice phone
- Call (916) 407-7156
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fourth Optometric Care of California
Rancho Cordova, California
Find Annie 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.
Annie C. Tam is an optometrist in Rancho Cordova, California
Annie Tam practices at Fourth Optometric Care of California in Rancho Cordova, California.
Annie Tam's NPI, 1891726154, was assigned on July 5, 2006. Annie Tam holds California license OPT 12997.
- NPI
- 1891726154NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597010199
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Practice phone
- (916) 407-7156
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Annie C. Tam practices at Fourth Optometric Care of California in Rancho Cordova, California
Annie Tam's primary practice is Fourth Optometric Care of California, at 3333 Quality Dr, Rancho Cordova, CA 95670 in Sacramento County. The practice phone is (916) 407-7156.
- Fourth Optometric Care of California3333 Quality Dr, Rancho Cordova, CA 95670 · Sacramento CountyPhone(916) 407-7156
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Annie C. Tam is affiliated with 3 sites of care and 2 medical groups
Annie Tam's primary practice is Fourth Optometric Care of California in Rancho Cordova, California. Dmand AI also links Annie Tam to 2 group practices and clinics and 2 medical groups, 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 Annie C. Tam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Annie Tam practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fourth Optometric Care of California | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Annie C. Tam is one of 7,206 optometrists in California
Optometrist is Annie Tam's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Annie Tam is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Annie 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
Annie C. Tam treated 267 Medicare patients in 2024, average age 75
CMS counts 267 Medicare patients who saw Annie Tam in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Annie Tam's median patient age at 69, with 58% women.
Annie Tam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Annie Tam's Medicare patients by sex, 2024
- Women15257%
- Men11543%
Chronic conditions among Annie Tam's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis48%
- Ischemic heart disease20%
- Osteoporosis19%
- Cancer18%
- Diabetes18%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Annie 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 69
Patient panel by sex, all payers
- Women58%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Annie C. Tam wrote 54 Medicare Part D claims in 2024
In 2024, Annie Tam wrote 54 Medicare Part D claims for 32 patients. 35% of them were for generic drugs.
Annie Tam's Part D claims by kind of drug, 2024
- Generic19 claims35%
- Brand-name35 claims65%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Annie C. Tam takes part in Medicare
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Annie C. Tam received $544 in industry payments in 2025
CMS Open Payments shows 12 general payments to Annie Tam from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $128.
Companies that paid Annie 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
Sources for Annie 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 | 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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 Annie 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 Annie C. Tam's NPI number?
Annie C. Tam's NPI number is 1891726154. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What does Annie C. Tam specialize in?
Annie C. Tam is an optometrist in Rancho Cordova, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Annie C. Tam practice?
Annie Tam practices at 3333 Quality Dr, Rancho Cordova, CA 95670. Annie Tam's primary practice is Fourth Optometric Care of California in Rancho Cordova, California. Dmand AI also links Annie Tam to 2 group practices and clinics and 2 medical groups.
What is Annie C. Tam's office phone number?
The practice phone on file for Annie Tam is (916) 407-7156.
What is Annie C. Tam's medical license number?
Annie Tam holds California license OPT 12997.
How many Medicare patients does Annie C. Tam see?
CMS counts 267 Medicare patients who saw Annie Tam in 2024, with an average age of 75.
Has Annie C. Tam received payments from drug or device companies?
CMS Open Payments shows $544 in general payments to Annie Tam from 7 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Annie C. Tam been practicing?
Annie Tam graduated from medical school in 2000, 26 years ago.
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