Inning Chen, OD
- Medicare patients, 2024
- 162
- Part D claims, 2024
- 173
- Industry payments
- $140
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 4450 Black Ave Ste C, Pleasanton, CA 94566-6145
- Practice phone
- Call (925) 463-2150
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Amador Valley Optometric
Physician office · Pleasanton, California
Find Inning Chen'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.
Inning Chen is an optometrist in Apple Valley, California
Inning Chen practices at Amador Valley Optometric in Pleasanton, California.
Inning Chen's NPI, 1265688402, was assigned on August 7, 2008. Inning Chen graduated from University of California - School of Optometry in 2008. Inning Chen holds Arizona license 1640.
- NPI
- 1265688402NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294872248
- NPI enumeration date
- August 7, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 463-2150
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Inning Chen practices in Pleasanton and Apple Valley
Inning Chen's primary practice is Amador Valley Optometric, at 4450 Black Ave Ste C, Pleasanton, CA 94566-6145. The practice phone is (925) 463-2150. The NPI Registry lists Inning Chen's practice address as 18564 Us-18, Apple Valley, CA 92307.
- Amador Valley OptometricPrimary4450 Black Ave Ste C, Pleasanton, CA 94566-6145Phone(925) 463-2150
- NPI Registry address18564 Us-18, Apple Valley, CA 92307 · San Bernardino County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Inning Chen is affiliated with 1 site of care and 2 medical groups
Inning Chen's primary practice is Amador Valley Optometric in Pleasanton, California. Dmand AI also links Inning Chen to 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Inning Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Inning Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Amador Valley Optometric | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Inning Chen is one of 7,206 optometrists in California
Optometrist is Inning Chen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Inning Chen is licensed in Arizona.
Specialties and state licenses
- Optometrist, ArizonaPrimary
Optometrists near Inning Chen
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
Inning Chen treated 162 Medicare patients in 2024, average age 77
CMS counts 162 Medicare patients who saw Inning Chen in 2024. The largest group is 75 to 84, with 78 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Inning Chen's median patient age at 72, with 49% women.
Inning Chen's Medicare patients by age, 2024
Inning Chen's Medicare patients by sex, 2024
- Women8653%
- Men7647%
Chronic conditions among Inning Chen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis33%
- Ischemic heart disease22%
- Atrial fibrillation20%
- Chronic kidney disease18%
- Osteoporosis14%
- Cancer12%
Share of Medicare patients with each condition. A patient can have several.
Inning Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Inning Chen wrote 173 Medicare Part D claims in 2024
In 2024, Inning Chen wrote 173 Medicare Part D claims for 47 patients. 61% of them were for generic drugs.
Inning Chen's Part D claims by kind of drug, 2024
- Generic105 claims61%
- Brand-name68 claims39%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Inning Chen takes part in Medicare
Inning Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Inning Chen received $140 in industry payments in 2025
CMS Open Payments shows 1 general payment to Inning Chen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $140.
Companies that paid Inning Chen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Inning Chen graduated from University of California - School of Optometry
Inning Chen graduated from University of California - School of Optometry in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Inning Chen'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 Inning Chen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Inning Chen's NPI number?
Inning Chen's NPI number is 1265688402. It was assigned on August 7, 2008, and it is active in the NPI Registry.
What does Inning Chen specialize in?
Inning Chen is an optometrist in Apple Valley, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Inning Chen practice?
Inning Chen practices at 4450 Black Ave Ste C, Pleasanton, CA 94566-6145. Inning Chen also practices at 18564 Us-18, Apple Valley, CA 92307. Inning Chen's primary practice is Amador Valley Optometric in Pleasanton, California. Dmand AI also links Inning Chen to 2 medical groups.
What is Inning Chen's office phone number?
The practice phone on file for Inning Chen is (925) 463-2150.
What is Inning Chen's medical license number?
Inning Chen holds Arizona license 1640.
Does Inning Chen accept Medicare?
Yes. CMS lists Inning Chen as accepting Medicare assignment.
How many Medicare patients does Inning Chen see?
CMS counts 162 Medicare patients who saw Inning Chen in 2024, with an average age of 77.
Where did Inning Chen go to medical school?
Inning Chen graduated from University of California - School of Optometry in 2008.
Has Inning Chen received payments from drug or device companies?
CMS Open Payments shows $140 in general payments to Inning Chen from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Inning Chen been practicing?
Inning Chen graduated from medical school in 2008, 18 years ago.
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