Stefanie E. Roby, PA-C

  • Watertown, SD
  • Physician assistant
NPI1538464003PAC ID1951585504
Medicare patients, 2024
182
Part D claims, 2024
1,116
MIPS score, 2024
95
Hospital affiliations
5
Industry payments
$50
Practice address
401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201
Practice phone
Call (605) 882-7000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sanford Health Watertown

Hospital · Watertown, South Dakota

See all 9 affiliations

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Stefanie E. Roby is a physician assistant in Watertown, South Dakota

Stefanie Roby practices at Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health.

Stefanie Roby's NPI, 1538464003, was assigned on January 14, 2011.

NPI and contact details
Medicare PAC ID
1951585504
NPI enumeration date
January 14, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(605) 882-7000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Stefanie E. Roby practices at Sanford Health Watertown in Watertown, South Dakota

Stefanie Roby's primary practice is Sanford Health Watertown, at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 in Codington County. The practice phone is (605) 882-7000.

  • Sanford Health Watertown
    401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 · Codington CountyPhone(605) 882-7000

Source: Dmand AI Affiliation Data

Stefanie E. Roby is affiliated with 8 sites of care and 1 medical group

Stefanie Roby's primary practice is Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health. Stefanie Roby is also affiliated with Huron Regional Medical Center. The medical group on file is Prairie Lakes Healthcare System. Dmand AI also links Stefanie Roby to 3 more hospitals, 1 group practice or clinic, 1 home health agency and 1 hospice, each named with a free account. Stefanie Roby's employer is on file too: a hospital.

See all 9 affiliations for Stefanie Roby

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Stefanie E. Roby's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Stefanie Roby practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sanford Health WatertownAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Stefanie E. Roby is one of 615 physician assistants in South Dakota

Physician assistant is Stefanie Roby's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Stefanie Roby

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

Stefanie E. Roby treated 182 Medicare patients in 2024, average age 74

CMS counts 182 Medicare patients who saw Stefanie Roby in 2024. The largest group is 65 to 74, with 85 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Stefanie Roby's median patient age at 75, with 54% women.

Medicare patients, 2024182
Average age74
Average risk score1.77
Also on Medicaid13%

Stefanie Roby's Medicare patients by age, 2024

Stefanie Roby's Medicare patients by sex, 2024

  • Women10055%
  • Men8245%

Chronic conditions among Stefanie Roby's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes52%
  5. Ischemic heart disease40%
  6. Arthritis35%
  7. Atrial fibrillation34%
  8. Heart failure32%

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

Stefanie Roby's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Stefanie E. Roby wrote 1,116 Medicare Part D claims in 2024

In 2024, Stefanie Roby wrote 1,116 Medicare Part D claims for 204 patients. 83% of them were for generic drugs.

Part D claims, 20241,116
Part D patients204

Stefanie Roby's Part D claims by kind of drug, 2024

  • Generic925 claims83%
  • Brand-name and other191 claims17%

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

Stefanie E. Roby scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Stefanie Roby for performance year 2024, reported as part of a group. Stefanie Roby accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Stefanie Roby's MIPS scores, performance year 2024

  • 95of 100Final score
  • 100of 100Quality
  • 96of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 85of 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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Stefanie E. Roby received $50 in industry payments in 2025

CMS Open Payments shows 2 general payments to Stefanie Roby from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Calliditas Therapeutics US Inc. paid the most, $26.

Companies that paid Stefanie Roby the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Stefanie Roby

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

Sources for Stefanie E. Roby'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Stefanie E. Roby

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

What is Stefanie E. Roby's NPI number?

Stefanie E. Roby's NPI number is 1538464003. It was assigned on January 14, 2011, and it is active in the NPI Registry.

What does Stefanie E. Roby specialize in?

Stefanie E. Roby is a physician assistant in Watertown, South Dakota. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Stefanie E. Roby practice?

Stefanie Roby practices at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201. Stefanie Roby's primary practice is Sanford Health Watertown in Watertown, South Dakota, part of Sanford Health. Dmand AI also links Stefanie Roby to 3 hospitals, 1 group practice or clinic, 1 home health agency and 1 hospice.

What is Stefanie E. Roby's office phone number?

The practice phone on file for Stefanie Roby is (605) 882-7000.

Which hospitals is Stefanie E. Roby affiliated with?

Stefanie Roby practices at Sanford Health Watertown in Watertown, South Dakota. Stefanie Roby is also affiliated with Huron Regional Medical Center. Dmand AI links Stefanie Roby to 3 more hospitals.

What medical group is Stefanie E. Roby part of?

Stefanie Roby is linked to Prairie Lakes Healthcare System.

Does Stefanie E. Roby accept Medicare?

Yes. CMS lists Stefanie Roby as accepting Medicare assignment.

What is Stefanie E. Roby's MIPS score?

Stefanie Roby's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Stefanie E. Roby see?

CMS counts 182 Medicare patients who saw Stefanie Roby in 2024, with an average age of 74.

Has Stefanie E. Roby received payments from drug or device companies?

CMS Open Payments shows $50 in general payments to Stefanie Roby from 2 companies from 2025 to 2025. The largest total came from Calliditas Therapeutics US Inc.

How long has Stefanie E. Roby been practicing?

Stefanie Roby graduated from medical school in 2010, 16 years ago.

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