Guy Mitchell Sullivan, PA-C
- Part D claims, 2024
- 37
- MIPS score, 2024
- 85
- Hospital affiliations
- 5
- Industry payments
- $34
- Medical groups
- 2
- Practice address
- 810 E 23rd St, Sioux Falls, SD 57105
- Practice phone
- Call (605) 331-5890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthopedic Institute
Sioux Falls, South Dakota
Find Guy Sullivan'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.
Guy Mitchell Sullivan is a physician assistant in Sioux Falls, South Dakota
Guy Sullivan practices at Orthopedic Institute in Sioux Falls, South Dakota.
Guy Sullivan's NPI, 1841642667, was assigned on July 5, 2016. Guy Sullivan holds Iowa license 084075.
- NPI
- 1841642667NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527353622
- NPI enumeration date
- July 5, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 331-5890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Guy Mitchell Sullivan practices at Orthopedic Institute in Sioux Falls, South Dakota
Guy Sullivan's primary practice is Orthopedic Institute, at 810 E 23rd St, Sioux Falls, SD 57105 in Minnehaha County. The practice phone is (605) 331-5890.
- Orthopedic Institute810 E 23rd St, Sioux Falls, SD 57105 · Minnehaha CountyPhone(605) 331-5890
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Guy Mitchell Sullivan is affiliated with 8 sites of care and 2 medical groups
Guy Sullivan's primary practice is Orthopedic Institute in Sioux Falls, South Dakota. Guy Sullivan is also affiliated with Avera McKennan Hospital & University Health Center. The medical group on file is Orthopedic Institute. Dmand AI also links Guy Sullivan to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Guy Mitchell Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Guy Sullivan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthopedic Institute | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Guy Mitchell Sullivan is one of 615 physician assistants in South Dakota
Physician assistant is Guy Sullivan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Guy Sullivan's licenses on file in 2 states: Iowa and South Dakota.
Specialties and state licenses
- Physician assistant, IowaPrimary
- South Dakota license
Physician assistants near Guy Sullivan
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
Guy Mitchell Sullivan's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Guy Sullivan's median patient age at 67, with 54% women.
Guy Sullivan'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
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Guy Mitchell Sullivan wrote 37 Medicare Part D claims in 2024
In 2024, Guy Sullivan wrote 37 Medicare Part D claims for 18 patients. 95% of them were for generic drugs.
Guy Sullivan's Part D claims by kind of drug, 2024
- Generic35 claims95%
- Brand-name and other2 claims5%
Drug classes CMS tracks in Guy Sullivan's Part D claims, 2024
- Opioids81%30 of 37 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
Guy Mitchell Sullivan scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Guy Sullivan for performance year 2024, reported as part of a group. Guy Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Guy Sullivan's MIPS scores, performance year 2024
- 85of 100Final score
- 78.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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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Guy Mitchell Sullivan received $34 in industry payments in 2025
CMS Open Payments shows 1 general payment to Guy Sullivan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ConvaTec Inc. paid the most, $34.
Companies that paid Guy Sullivan 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 Guy Mitchell Sullivan'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Guy Mitchell Sullivan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Guy Mitchell Sullivan's NPI number?
Guy Mitchell Sullivan's NPI number is 1841642667. It was assigned on July 5, 2016, and it is active in the NPI Registry.
What does Guy Mitchell Sullivan specialize in?
Guy Mitchell Sullivan is a physician assistant in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Guy Mitchell Sullivan practice?
Guy Sullivan practices at 810 E 23rd St, Sioux Falls, SD 57105. Guy Sullivan's primary practice is Orthopedic Institute in Sioux Falls, South Dakota. Dmand AI also links Guy Sullivan to 4 hospitals, 2 group practices and clinics and 1 medical group.
What is Guy Mitchell Sullivan's office phone number?
The practice phone on file for Guy Sullivan is (605) 331-5890.
What is Guy Mitchell Sullivan's medical license number?
Guy Sullivan holds Iowa license 084075, one of the licenses on file in 2 states.
Which states has Guy Mitchell Sullivan been licensed in?
Dmand AI has state licenses on file for Guy Sullivan in Iowa and South Dakota.
Which hospitals is Guy Mitchell Sullivan affiliated with?
Guy Sullivan is affiliated with Avera McKennan Hospital & University Health Center. Dmand AI links Guy Sullivan to 4 more hospitals.
What medical group is Guy Mitchell Sullivan part of?
Guy Sullivan is linked to Orthopedic Institute. Dmand AI links Guy Sullivan to 1 more medical group.
Does Guy Mitchell Sullivan accept Medicare?
Yes. CMS lists Guy Sullivan as accepting Medicare assignment.
What is Guy Mitchell Sullivan's MIPS score?
Guy Sullivan's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
Has Guy Mitchell Sullivan received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Guy Sullivan from 1 company from 2025 to 2025. The largest total came from ConvaTec Inc.
How long has Guy Mitchell Sullivan been practicing?
Guy Sullivan graduated from medical school in 2016, 10 years ago.
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