Winnie Tseng, OD
- Medicare patients, 2024
- 461
- Part D claims, 2024
- 547
- Industry payments
- $133
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 104 Meadow St, Littleton, NH 03561-4026
- Practice phone
- Call (603) 444-2592
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Littleton Eye Care Center
Eye care practice · Littleton, New Hampshire
Find Winnie Tseng'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.
Winnie Tseng is an optometrist in Littleton, New Hampshire
Winnie Tseng practices at Littleton Eye Care Center in Littleton, New Hampshire.
Winnie Tseng's NPI, 1629140108, was assigned on November 14, 2006. Winnie Tseng graduated from Pennsylvania College of Optometry in 2001. Winnie Tseng holds New Hampshire license 0720.
- NPI
- 1629140108NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335275601
- NPI enumeration date
- November 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 444-2592
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Winnie Tseng practices at Littleton Eye Care Center in Littleton, New Hampshire
Winnie Tseng's primary practice is Littleton Eye Care Center, at 104 Meadow St, Littleton, NH 03561-4026. The practice phone is (603) 444-2592.
- Littleton Eye Care Center104 Meadow St, Littleton, NH 03561-4026Phone(603) 444-2592
Source: Dmand AI Affiliation Data
Winnie Tseng is affiliated with 1 site of care and 1 medical group
Winnie Tseng's primary practice is Littleton Eye Care Center in Littleton, New Hampshire. Dmand AI also links Winnie Tseng to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Winnie Tseng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Winnie Tseng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Littleton Eye Care Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Winnie Tseng is one of 211 optometrists in New Hampshire
Optometrist is Winnie Tseng's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Winnie Tseng is licensed in New Hampshire.
Specialties and state licenses
- Optometrist, New HampshirePrimary
Optometrists near Winnie Tseng
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
Winnie Tseng treated 461 Medicare patients in 2024, average age 74
CMS counts 461 Medicare patients who saw Winnie Tseng in 2024. The largest group is 65 to 74, with 251 patients. 62% of them have high blood pressure, and 56% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Winnie Tseng's median patient age at 71, with 65% women.
Winnie Tseng's Medicare patients by age, 2024
Winnie Tseng's Medicare patients by sex, 2024
- Women26056%
- Men20144%
Chronic conditions among Winnie Tseng's Medicare patients, 2024
- High blood pressure62%
- High cholesterol56%
- Arthritis38%
- Diabetes17%
- Osteoporosis16%
- Anxiety14%
- Mood disorders14%
- Cancer13%
Share of Medicare patients with each condition. A patient can have several.
Winnie Tseng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Winnie Tseng wrote 547 Medicare Part D claims in 2024
In 2024, Winnie Tseng wrote 547 Medicare Part D claims for 126 patients. 60% of them were for generic drugs.
Winnie Tseng's Part D claims by kind of drug, 2024
- Generic330 claims60%
- Brand-name217 claims40%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Winnie Tseng scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Winnie Tseng for performance year 2024, reported individually. Winnie Tseng accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Winnie Tseng's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 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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Winnie Tseng received $133 in industry payments in 2025
CMS Open Payments shows 2 general payments to Winnie Tseng from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $115.
Companies that paid Winnie Tseng the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Winnie Tseng graduated from Pennsylvania College of Optometry
Winnie Tseng graduated from Pennsylvania College of Optometry in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Winnie Tseng'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 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 Winnie Tseng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Winnie Tseng's NPI number?
Winnie Tseng's NPI number is 1629140108. It was assigned on November 14, 2006, and it is active in the NPI Registry.
What does Winnie Tseng specialize in?
Winnie Tseng is an optometrist in Littleton, New Hampshire. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Winnie Tseng practice?
Winnie Tseng practices at 104 Meadow St, Littleton, NH 03561-4026. Winnie Tseng's primary practice is Littleton Eye Care Center in Littleton, New Hampshire. Dmand AI also links Winnie Tseng to 1 medical group.
What is Winnie Tseng's office phone number?
The practice phone on file for Winnie Tseng is (603) 444-2592.
What is Winnie Tseng's medical license number?
Winnie Tseng holds New Hampshire license 0720.
Does Winnie Tseng accept Medicare?
Yes. CMS lists Winnie Tseng as accepting Medicare assignment.
What is Winnie Tseng's MIPS score?
Winnie Tseng's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Winnie Tseng see?
CMS counts 461 Medicare patients who saw Winnie Tseng in 2024, with an average age of 74.
Where did Winnie Tseng go to medical school?
Winnie Tseng graduated from Pennsylvania College of Optometry in 2001.
Has Winnie Tseng received payments from drug or device companies?
CMS Open Payments shows $133 in general payments to Winnie Tseng from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Winnie Tseng been practicing?
Winnie Tseng graduated from medical school in 2001, 25 years ago.
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