Dr. Gary A. Matthys, MD
- Medicare services, 2024
- 918
- Medicare patients, 2024
- 395
- Part D claims, 2024
- 1,117
- Hospital affiliations
- 5
- Industry payments
- $11,598
- Practice address
- 4650 4th St N, Saint Petersburg, FL 33703
- Practice phone
- Call (813) 527-1919
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center for Special Surgery - Saint Petersburg
Surgery Center - Medicare-Certified · Saint Petersburg, Florida
Find Dr. Matthys' professional email, personal email and mobile number
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Dr. Gary A. Matthys is an orthopedic surgeon in Fargo, North Dakota
Dr. Matthys practices at Center for Special Surgery - Saint Petersburg in Saint Petersburg, Florida.
Dr. Matthys' NPI, 1922025568, was assigned on July 17, 2006. Dr. Matthys graduated from University of North Dakota School of Medicine in 1994. Dr. Matthys holds North Dakota license 8590.
- NPI
- 1922025568NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082514765
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (813) 527-1919
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary A. Matthys practices in Saint Petersburg and Fargo
Dr. Matthys' primary practice is Center for Special Surgery - Saint Petersburg, at 4650 4th St N, Saint Petersburg, FL 33703. The practice phone is (813) 527-1919. Dr. Matthys also practices at Center for Special Surgery, 2829 University S Dr, Fargo, ND 58103.
- Center for Special Surgery - Saint PetersburgPrimary4650 4th St N, Saint Petersburg, FL 33703Phone(813) 527-1919
- Center for Special Surgery2829 University S Dr, Fargo, ND 58103 · Cass CountyPhone(701) 356-4770
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gary A. Matthys is affiliated with 8 sites of care and 4 medical groups
Dr. Matthys' primary practice is Center for Special Surgery - Saint Petersburg in Saint Petersburg, Florida. Dr. Matthys is also affiliated with Sanford Broadway Medical Center. The medical group on file is Sanford West Fargo Clinic. Dmand AI also links Dr. Matthys to 4 more hospitals, 3 medical groups and 2 physician offices, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary A. Matthys' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matthys practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center for Special Surgery - Saint Petersburg | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary A. Matthys is one of 64 orthopedic surgeons in North Dakota
Orthopaedic surgery is Dr. Matthys' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Matthys is licensed in North Dakota.
Specialties and state licenses
- Orthopaedic surgery, North DakotaPrimary
Orthopedic surgeons near Dr. Matthys
Counts of orthopedic surgeons 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
Dr. Gary A. Matthys billed Medicare for 918 services in 2024
CMS data shows 918 Medicare services from Dr. Matthys across 12 procedure codes in 2024, for 395 Medicare patients. Medicare paid $192,588 for them.
Dr. Matthys' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4892024: 36525%
- Drugs given in the office
- 2023: 3012024: 3155%
- Surgery
- 2023: 2512024: 2385%
Where Dr. Matthys' Medicare services took place, 2024
- In an office71778%
- In a facility20122%
Dr. Matthys compared with the North Dakota median for orthopedic surgeons, 2024
- Dr. Matthys
- North Dakota median
- Medicare services
- 918vs 4362.1 times
- Medicare patients
- 395vs 25157% above
- Part D claims
- 1,091vs 8213.3 times
Medians across 66 orthopedic surgeons in North Dakota with Dmand AI profiles that report each measure.
Dr. Matthys' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Matthys?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Matthys and other orthopedic surgeons in North Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary A. Matthys treated 395 Medicare patients in 2024, average age 74
CMS counts 395 Medicare patients who saw Dr. Matthys in 2024. The largest group is 65 to 74, with 222 patients. 75% of them have arthritis, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Matthys' median patient age at 69, with 56% women.
Dr. Matthys' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Matthys' Medicare patients by sex, 2024
- Women23259%
- Men16341%
Chronic conditions among Dr. Matthys' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure69%
- Ischemic heart disease24%
- Mood disorders23%
- Depression22%
- Diabetes22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Matthys' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary A. Matthys wrote 1,117 Medicare Part D claims in 2024
In 2024, Dr. Matthys wrote 1,117 Medicare Part D claims for 342 patients. 97% of them were for generic drugs. CMS names the drug for 1,091 of them, across 12 drugs with 11 or more claims each, at $18,703 in total drug cost. In 2023, CMS named 831 claims across 9 drugs.
Dr. Matthys' Part D claims by kind of drug, 2024
- Generic1,085 claims97%
- Brand-name32 claims3%
Dr. Matthys' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Matthys' Part D claims, 2024
- Opioids35%387 of 1,117 claims
- Antibiotics41%458 of 1,117 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8312024: 1,09131%
Drugs named by CMS: 12 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gary A. Matthys ranks in the 98th percentile for hip replacement in Medicare
Dr. Matthys accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 116 procedures of hip replacement by Dr. Matthys, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Matthys ranks in Medicare procedure volume
- Hip replacement
- 98th percentile116 procedures
- Knee replacement
- 86th percentile69 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 83rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gary A. Matthys received $11,598 in industry payments from 2016 to 2025
CMS Open Payments shows 60 general payments to Dr. Matthys from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 47% of the total. Medical Device Business Services, Inc. paid the most, $5,400.
General payments to Dr. Matthys by program year, 2016 to 2025
General payments to Dr. Matthys by kind, 2016 to 2025
- Consulting fees$5,40047%
- Travel and lodging$4,18136%
- Food and beverage$1,72915%
- Education$2882%
Companies that paid Dr. Matthys the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary A. Matthys graduated from University of North Dakota School of Medicine
Dr. Matthys graduated from University of North Dakota School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary A. Matthys'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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)Doctors and Clinicians Utilization Data (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 Dr. Gary A. Matthys
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gary A. Matthys' NPI number?
Dr. Gary A. Matthys' NPI number is 1922025568. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary A. Matthys?
Dr. Gary A. Matthys is an orthopedic surgeon in Fargo, North Dakota. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gary A. Matthys practice?
Dr. Matthys practices at 4650 4th St N, Saint Petersburg, FL 33703. Dr. Matthys also practices at 2829 University S Dr, Fargo, ND 58103. Dr. Matthys' primary practice is Center for Special Surgery - Saint Petersburg in Saint Petersburg, Florida. Dmand AI also links Dr. Matthys to 4 hospitals, 3 medical groups and 2 physician offices.
What is Dr. Gary A. Matthys' office phone number?
The practice phone on file for Dr. Matthys is (813) 527-1919.
What is Dr. Gary A. Matthys' medical license number?
Dr. Matthys holds North Dakota license 8590.
Which hospitals is Dr. Gary A. Matthys affiliated with?
Dr. Matthys is affiliated with Sanford Broadway Medical Center. Dmand AI links Dr. Matthys to 4 more hospitals.
What medical group is Dr. Gary A. Matthys part of?
Dr. Matthys is linked to Sanford West Fargo Clinic. Dmand AI links Dr. Matthys to 3 more medical groups.
Does Dr. Gary A. Matthys accept Medicare?
Yes. CMS data shows Dr. Matthys billed Medicare for 918 services in 2024, and Dr. Matthys accepts Medicare assignment.
How many Medicare patients does Dr. Gary A. Matthys see?
CMS counts 395 Medicare patients who saw Dr. Matthys in 2024, with an average age of 74.
What services does Dr. Gary A. Matthys bill to Medicare?
In 2024, Dr. Matthys' most billed Medicare services were injected or infused drug (J3301), office visit, new patient (99205) and surgery: bones and joints (27130).
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Where did Dr. Gary A. Matthys go to medical school?
Dr. Matthys graduated from University of North Dakota School of Medicine in 1994.
What drugs does Dr. Gary A. Matthys prescribe most?
In 2024 Medicare Part D data, Dr. Matthys' most prescribed drugs by claims were Amoxicillin, Hydrocodone-Acetaminophen and Cephalexin.
Has Dr. Gary A. Matthys received payments from drug or device companies?
CMS Open Payments shows $11,598 in general payments to Dr. Matthys from 7 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Gary A. Matthys been practicing?
Dr. Matthys graduated from medical school in 1994, 32 years ago.
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