Sara Davis Schalk, OD

  • Appleton, WI
  • Optometrist
NPI1275617300PAC ID3072413855
Medicare patients, 2024
244
Part D claims, 2024
685
Industry payments
$421
Affiliated sites
1
Medical group
1
Practice address
2500 E Capitol Dr, Appleton, WI 54911
Practice phone
Call (920) 739-4361
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Valley Eye Associates

Appleton, Wisconsin

See all 3 affiliations

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Sara Davis Schalk is an optometrist in Appleton, Wisconsin

Sara Schalk practices at Valley Eye Associates in Appleton, Wisconsin.

Sara Schalk's NPI, 1275617300, was assigned on October 25, 2006. Sara Schalk graduated from Pacific University - College of Optometry in 2002. Sara Schalk holds Wisconsin license 2975.

NPI and contact details
Medicare PAC ID
3072413855
NPI enumeration date
October 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 739-4361
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Sara Davis Schalk practices at Valley Eye Associates in Appleton, Wisconsin

Sara Schalk's primary practice is Valley Eye Associates, at 2500 E Capitol Dr, Appleton, WI 54911 in Outagamie County. The practice phone is (920) 739-4361.

  • Valley Eye Associates
    2500 E Capitol Dr, Appleton, WI 54911 · Outagamie CountyPhone(920) 739-4361

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Sara Davis Schalk is affiliated with 2 sites of care and 1 medical group

Sara Schalk's primary practice is Valley Eye Associates in Appleton, Wisconsin. Dmand AI also links Sara Schalk to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Sara Schalk

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Sara Davis Schalk's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sara Schalk practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Valley Eye AssociatesAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Sara Davis Schalk is one of 946 optometrists in Wisconsin

Optometrist is Sara Schalk's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sara Schalk is licensed in Wisconsin.

Specialties and state licenses

  • Optometrist, WisconsinPrimaryLicense 2975 · taxonomy 152W00000X

Optometrists near Sara Schalk

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

Sara Davis Schalk treated 244 Medicare patients in 2024, average age 73

CMS counts 244 Medicare patients who saw Sara Schalk in 2024. The largest group is 65 to 74, with 128 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Sara Schalk's median patient age at 67, with 64% women.

Medicare patients, 2024244
Average age73
Average risk score0.99
Also on Medicaid5%

Sara Schalk's Medicare patients by age, 2024

Sara Schalk's Medicare patients by sex, 2024

  • Women15463%
  • Men9037%

Chronic conditions among Sara Schalk's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis40%
  4. Diabetes28%
  5. Anxiety24%
  6. Chronic kidney disease23%
  7. Mood disorders23%
  8. Depression22%

Share of Medicare patients with each condition. A patient can have several.

Sara Schalk's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women64%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sara Davis Schalk wrote 685 Medicare Part D claims in 2024

In 2024, Sara Schalk wrote 685 Medicare Part D claims for 257 patients. 48% of them were for generic drugs.

Part D claims, 2024685
Part D patients257

Sara Schalk's Part D claims by kind of drug, 2024

  • Generic327 claims48%
  • Brand-name358 claims52%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Sara Davis Schalk takes part in Medicare

Sara Schalk 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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Sara Davis Schalk received $421 in industry payments in 2025

CMS Open Payments shows 16 general payments to Sara Schalk from 10 drug and device companies in 2025. Food and beverage make up the largest share, 79% of the total. Mallinckrodt Hospital Products Inc. paid the most, $88.

General payments to Sara Schalk by kind, 2025 to 2025

$421in total
  • Food and beverage$33379%
  • Education$8821%

Companies that paid Sara Schalk the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Sara Schalk

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sara Davis Schalk graduated from Pacific University - College of Optometry

Sara Schalk graduated from Pacific University - College of Optometry in 2002.

  1. Medical schoolPacific University - College of Optometry

Source: Dmand AI Professional Profile Data

Sources for Sara Davis Schalk's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sara Davis Schalk

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sara Davis Schalk's NPI number?

Sara Davis Schalk's NPI number is 1275617300. It was assigned on October 25, 2006, and it is active in the NPI Registry.

What does Sara Davis Schalk specialize in?

Sara Davis Schalk is an optometrist in Appleton, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Sara Davis Schalk practice?

Sara Schalk practices at 2500 E Capitol Dr, Appleton, WI 54911. Sara Schalk's primary practice is Valley Eye Associates in Appleton, Wisconsin. Dmand AI also links Sara Schalk to 1 group practice or clinic and 1 medical group.

What is Sara Davis Schalk's office phone number?

The practice phone on file for Sara Schalk is (920) 739-4361.

What is Sara Davis Schalk's medical license number?

Sara Schalk holds Wisconsin license 2975.

Does Sara Davis Schalk accept Medicare?

Yes. CMS lists Sara Schalk as accepting Medicare assignment.

How many Medicare patients does Sara Davis Schalk see?

CMS counts 244 Medicare patients who saw Sara Schalk in 2024, with an average age of 73.

Where did Sara Davis Schalk go to medical school?

Sara Schalk graduated from Pacific University - College of Optometry in 2002.

Has Sara Davis Schalk received payments from drug or device companies?

CMS Open Payments shows $421 in general payments to Sara Schalk from 10 companies from 2025 to 2025. The largest total came from Mallinckrodt Hospital Products Inc.

How long has Sara Davis Schalk been practicing?

Sara Schalk graduated from medical school in 2002, 24 years ago.

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