Chester C. Cheng, OD
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 1,274
- MIPS score, 2024
- 79
- Industry payments
- $185
- Affiliated sites
- 1
- Practice address
- 12522 E Lambert Rd, Whittier, CA 90606
- Practice phone
- Call (562) 789-5420
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PIH Health Physicians
Whittier, California
Find Chester 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.
Chester C. Cheng is an optometrist in Whittier, California
Chester Cheng practices at PIH Health Physicians in Whittier, California.
Chester Cheng's NPI, 1477716223, was assigned on July 2, 2008. Chester Cheng graduated from Southern California College of Optometry in 2008. Chester Cheng holds California license 13496.
- NPI
- 1477716223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800963042
- NPI enumeration date
- July 2, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 789-5420
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Chester C. Cheng practices at PIH Health Physicians in Whittier, California
Chester Cheng's primary practice is PIH Health Physicians, at 12522 E Lambert Rd, Whittier, CA 90606 in Los Angeles County. The practice phone is (562) 789-5420.
- PIH Health Physicians12522 E Lambert Rd, Whittier, CA 90606 · Los Angeles CountyPhone(562) 789-5420
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Chester C. Cheng is affiliated with 2 sites of care and 2 medical groups
Chester Cheng's primary practice is PIH Health Physicians in Whittier, California. The medical group on file is PIH Health Physicians. Dmand AI also links Chester Cheng to 1 more 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 Chester C. Cheng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Chester Cheng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Physicians | 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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Chester C. Cheng is one of 7,206 optometrists in California
Optometrist is Chester Cheng's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Chester Cheng is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Chester 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
Chester C. Cheng treated 68 Medicare patients in 2024, average age 74
CMS counts 68 Medicare patients who saw Chester Cheng in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Chester Cheng's median patient age at 74, with 60% women.
Chester Cheng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chester Cheng's Medicare patients by sex, 2024
- Women3754%
- Men3146%
Chronic conditions among Chester Cheng's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis49%
- Diabetes46%
- Chronic kidney disease18%
- Osteoporosis18%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Chester 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 74
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Chester C. Cheng wrote 1,274 Medicare Part D claims in 2024
In 2024, Chester Cheng wrote 1,274 Medicare Part D claims for 376 patients. 38% of them were for generic drugs.
Chester Cheng's Part D claims by kind of drug, 2024
- Generic484 claims38%
- Brand-name790 claims62%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Chester C. Cheng scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Chester Cheng for performance year 2024, reported as part of a group. Chester Cheng accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Chester Cheng's MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 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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Chester C. Cheng received $185 in industry payments in 2025
CMS Open Payments shows 2 general payments to Chester Cheng from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $121.
Companies that paid Chester 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
Chester C. Cheng graduated from Southern California College of Optometry
Chester Cheng graduated from Southern California College of Optometry in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Chester C. 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) |
| 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 Chester C. 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 Chester C. Cheng's NPI number?
Chester C. Cheng's NPI number is 1477716223. It was assigned on July 2, 2008, and it is active in the NPI Registry.
What does Chester C. Cheng specialize in?
Chester C. Cheng is an optometrist in Whittier, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Chester C. Cheng practice?
Chester Cheng practices at 12522 E Lambert Rd, Whittier, CA 90606. Chester Cheng's primary practice is PIH Health Physicians in Whittier, California. Dmand AI also links Chester Cheng to 1 group practice or clinic and 1 medical group.
What is Chester C. Cheng's office phone number?
The practice phone on file for Chester Cheng is (562) 789-5420.
What is Chester C. Cheng's medical license number?
Chester Cheng holds California license 13496.
What medical group is Chester C. Cheng part of?
Chester Cheng is linked to PIH Health Physicians. Dmand AI links Chester Cheng to 1 more medical group.
Does Chester C. Cheng accept Medicare?
Yes. CMS lists Chester Cheng as accepting Medicare assignment.
What is Chester C. Cheng's MIPS score?
Chester Cheng's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Chester C. Cheng see?
CMS counts 68 Medicare patients who saw Chester Cheng in 2024, with an average age of 74.
Where did Chester C. Cheng go to medical school?
Chester Cheng graduated from Southern California College of Optometry in 2008.
Has Chester C. Cheng received payments from drug or device companies?
CMS Open Payments shows $185 in general payments to Chester Cheng from 2 companies from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Chester C. Cheng been practicing?
Chester Cheng graduated from medical school in 2008, 18 years ago.
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