Stacy S. Cwach
- Medicare patients, 2024
- 258
- Part D claims, 2024
- 2,262
- Hospital affiliations
- 1
- Industry payments
- $380
- Medical groups
- 2
- Practice address
- 801 E Sioux, Pierre, SD 57501
- Practice phone
- Call (605) 224-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stacy Cwach'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.
Stacy S. Cwach is a physician assistant in Pierre, South Dakota
Stacy Cwach practices at Avera St. Mary's Hospital in Pierre, South Dakota, part of Avera Health.
Stacy Cwach's NPI, 1790233591, was assigned on September 21, 2016. Stacy Cwach holds South Dakota license 1052.
- NPI
- 1790233591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911285119
- NPI enumeration date
- September 21, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 224-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stacy S. Cwach practices at Avera St. Mary's Hospital in Pierre, South Dakota
Stacy Cwach's primary practice is Avera St. Mary's Hospital, at 801 E Sioux, Pierre, SD 57501 in Hughes County. The practice phone is (605) 224-3100.
- Avera St. Mary's Hospital801 E Sioux, Pierre, SD 57501 · Hughes CountyPhone(605) 224-3100
Source: Dmand AI Affiliation Data
Stacy S. Cwach is affiliated with 4 sites of care and 2 medical groups
Stacy Cwach's primary practice is Avera St. Mary's Hospital in Pierre, South Dakota, part of Avera Health. The medical group on file is Avera St. Mary's Hospital. Dmand AI also links Stacy Cwach to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stacy S. Cwach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stacy Cwach practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Avera St. Mary's Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Stacy S. Cwach is one of 615 physician assistants in South Dakota
Physician assistant is Stacy Cwach's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Stacy Cwach is licensed in South Dakota.
Specialties and state licenses
- Physician assistant, South DakotaPrimary
Physician assistants near Stacy Cwach
Counts of physician assistants 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
Stacy S. Cwach treated 258 Medicare patients in 2024, average age 73
CMS counts 258 Medicare patients who saw Stacy Cwach in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stacy Cwach's median patient age at 66, with 65% women.
Stacy Cwach's Medicare patients by age, 2024
Stacy Cwach's Medicare patients by sex, 2024
- Women14757%
- Men11143%
Chronic conditions among Stacy Cwach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis71%
- Mood disorders42%
- Depression40%
- Diabetes38%
- Chronic kidney disease36%
- Ischemic heart disease25%
Share of Medicare patients with each condition. A patient can have several.
Stacy Cwach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stacy S. Cwach wrote 2,262 Medicare Part D claims in 2024
In 2024, Stacy Cwach wrote 2,262 Medicare Part D claims for 206 patients. 87% of them were for generic drugs.
Stacy Cwach's Part D claims by kind of drug, 2024
- Generic1,971 claims87%
- Brand-name274 claims12%
- Other17 claims1%
Drug classes CMS tracks in Stacy Cwach's Part D claims, 2024
- Opioids2%54 of 2,262 claims
- Antibiotics2%43 of 2,262 claims
- Antipsychotics, patients 65 and over1%12 of 2,262 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Stacy S. Cwach takes part in Medicare
Stacy Cwach 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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Stacy S. Cwach received $380 in industry payments in 2025
CMS Open Payments shows 23 general payments to Stacy Cwach from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $100.
Companies that paid Stacy Cwach 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 Stacy S. Cwach'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 DataDmand AI Org Hierarchy 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) |
| 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 Stacy S. Cwach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stacy S. Cwach's NPI number?
Stacy S. Cwach's NPI number is 1790233591. It was assigned on September 21, 2016, and it is active in the NPI Registry.
What does Stacy S. Cwach specialize in?
Stacy S. Cwach is a physician assistant in Pierre, South Dakota. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Stacy S. Cwach practice?
Stacy Cwach practices at 801 E Sioux, Pierre, SD 57501. Stacy Cwach's primary practice is Avera St. Mary's Hospital in Pierre, South Dakota, part of Avera Health. Dmand AI also links Stacy Cwach to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Stacy S. Cwach's office phone number?
The practice phone on file for Stacy Cwach is (605) 224-3100.
What is Stacy S. Cwach's medical license number?
Stacy Cwach holds South Dakota license 1052.
Which hospitals is Stacy S. Cwach affiliated with?
Stacy Cwach practices at Avera St. Mary's Hospital in Pierre, South Dakota.
What medical group is Stacy S. Cwach part of?
Stacy Cwach is linked to Avera St. Mary's Hospital. Dmand AI links Stacy Cwach to 1 more medical group.
Does Stacy S. Cwach accept Medicare?
Yes. CMS lists Stacy Cwach as accepting Medicare assignment.
How many Medicare patients does Stacy S. Cwach see?
CMS counts 258 Medicare patients who saw Stacy Cwach in 2024, with an average age of 73.
Has Stacy S. Cwach received payments from drug or device companies?
CMS Open Payments shows $380 in general payments to Stacy Cwach from 8 companies from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Stacy S. Cwach been practicing?
Stacy Cwach graduated from medical school in 2016, 10 years ago.
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