Sandra M. Cheng, OD
- Medicare patients, 2024
- 221
- Part D claims, 2024
- 160
- MIPS score, 2024
- 85
- Industry payments
- $121
- Affiliated sites
- 1
- Practice address
- 101 S San Mateo Dr, San Mateo, CA 94401
- Practice phone
- Call (650) 342-7474
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Peninsula Eye Physicians Medical Group,Inc.
San Mateo, California
Find Sandra Cheng'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.
Sandra M. Cheng is an optometrist in San Mateo, California
Sandra Cheng practices at Peninsula Eye Physicians Medical Group,Inc. in San Mateo, California.
Sandra Cheng's NPI, 1982711446, was assigned on August 23, 2006. Sandra Cheng holds California license 11502T.
- NPI
- 1982711446NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800965732
- NPI enumeration date
- August 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 342-7474
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sandra M. Cheng practices at Peninsula Eye Physicians Medical Group,Inc. in San Mateo, California
Sandra Cheng's primary practice is Peninsula Eye Physicians Medical Group,Inc., at 101 S San Mateo Dr, San Mateo, CA 94401 in San Mateo County. The practice phone is (650) 342-7474.
- Peninsula Eye Physicians Medical Group,Inc.101 S San Mateo Dr, San Mateo, CA 94401 · San Mateo CountyPhone(650) 342-7474
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sandra M. Cheng is affiliated with 2 sites of care and 1 medical group
Sandra Cheng's primary practice is Peninsula Eye Physicians Medical Group,Inc. in San Mateo, California. Dmand AI also links Sandra Cheng 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 Sandra M. Cheng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sandra Cheng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peninsula Eye Physicians Medical Group,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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Sandra M. Cheng is one of 7,206 optometrists in California
Optometrist is Sandra Cheng's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sandra Cheng is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Sandra Cheng
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
Sandra M. Cheng treated 221 Medicare patients in 2024, average age 76
CMS counts 221 Medicare patients who saw Sandra Cheng in 2024. The largest group is 65 to 74, with 104 patients. 74% of them have high cholesterol, and 55% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sandra Cheng's median patient age at 65, with 61% women.
Sandra Cheng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sandra Cheng's Medicare patients by sex, 2024
- Women15168%
- Men7032%
Chronic conditions among Sandra Cheng's Medicare patients, 2024
- High cholesterol74%
- High blood pressure55%
- Arthritis36%
- Osteoporosis24%
- Anxiety18%
- Cancer18%
- Diabetes16%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
Sandra Cheng'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
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sandra M. Cheng wrote 160 Medicare Part D claims in 2024
In 2024, Sandra Cheng wrote 160 Medicare Part D claims for 69 patients. 58% of them were for generic drugs.
Sandra Cheng's Part D claims by kind of drug, 2024
- Generic93 claims58%
- Brand-name67 claims42%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Sandra M. Cheng scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Sandra Cheng for performance year 2024, reported as part of a group. Sandra Cheng accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Sandra Cheng's MIPS scores, performance year 2024
- 85of 100Final score
- 88.7of 100Quality
- 94of 100Promoting Interoperability
- 40of 100Improvement Activities
- 66of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sandra M. Cheng received $121 in industry payments in 2025
CMS Open Payments shows 5 general payments to Sandra Cheng from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $58.
Companies that paid Sandra Cheng 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 Sandra M. Cheng'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 National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Sandra M. Cheng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sandra M. Cheng's NPI number?
Sandra M. Cheng's NPI number is 1982711446. It was assigned on August 23, 2006, and it is active in the NPI Registry.
What does Sandra M. Cheng specialize in?
Sandra M. Cheng is an optometrist in San Mateo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Sandra M. Cheng practice?
Sandra Cheng practices at 101 S San Mateo Dr, San Mateo, CA 94401. Sandra Cheng's primary practice is Peninsula Eye Physicians Medical Group,Inc. in San Mateo, California. Dmand AI also links Sandra Cheng to 1 group practice or clinic and 1 medical group.
What is Sandra M. Cheng's office phone number?
The practice phone on file for Sandra Cheng is (650) 342-7474.
What is Sandra M. Cheng's medical license number?
Sandra Cheng holds California license 11502T.
Does Sandra M. Cheng accept Medicare?
Yes. CMS lists Sandra Cheng as accepting Medicare assignment.
What is Sandra M. Cheng's MIPS score?
Sandra Cheng's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Sandra M. Cheng see?
CMS counts 221 Medicare patients who saw Sandra Cheng in 2024, with an average age of 76.
Has Sandra M. Cheng received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Sandra Cheng from 4 companies from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Sandra M. Cheng been practicing?
Sandra Cheng graduated from medical school in 2000, 26 years ago.
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