Dr. Timothy J. Mahoney, MD
- Medicare services, 2024
- 18
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 11
- Hospital affiliations
- 1
- Industry payments
- $46
- Practice address
- 3401 S Kelley Ave, Sioux Falls, SD 57106
- Practice phone
- Call (605) 274-0217
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Physicians Vein Clinics
Sioux Falls, South Dakota
Find Dr. Mahoney'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.
Dr. Timothy J. Mahoney is a general surgeon in Sioux Falls, South Dakota
Dr. Mahoney practices at Physicians Vein Clinics in Sioux Falls, South Dakota.
Dr. Mahoney's NPI, 1689608192, was assigned on July 10, 2006. Dr. Mahoney graduated from University of North Dakota School of Medicine & Health Sciences in 1973. Dr. Mahoney holds North Dakota license 3622.
- NPI
- 1689608192NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840195822
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 274-0217
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy J. Mahoney practices at Physicians Vein Clinics in Sioux Falls, South Dakota
Dr. Mahoney's primary practice is Physicians Vein Clinics, at 3401 S Kelley Ave, Sioux Falls, SD 57106 in Minnehaha County. The practice phone is (605) 274-0217.
- Physicians Vein Clinics3401 S Kelley Ave, Sioux Falls, SD 57106 · Minnehaha CountyPhone(605) 274-0217
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Timothy J. Mahoney is affiliated with 5 sites of care and 4 medical groups
Dr. Mahoney's primary practice is Physicians Vein Clinics in Sioux Falls, South Dakota. Dr. Mahoney is also affiliated with Vibra Hospital of Fargo. The medical group on file is Physicians Vein Clinics. Dmand AI also links Dr. Mahoney to 3 more medical groups, 2 group practices and clinics and 1 community health center, 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 Dr. Timothy J. Mahoney's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahoney practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Physicians Vein Clinics | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy J. Mahoney is one of 105 general surgeons in South Dakota
Surgery is Dr. Mahoney's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Mahoney's licenses on file in 2 states: North Dakota and Minnesota.
Specialties and state licenses
- Surgery, North DakotaPrimary
- Minnesota license
Clinical focus
Dmand AI lists acute gallbladder or bile duct inflammation and gallbladder removal among the conditions Dr. Mahoney treats.
General surgeons near Dr. Mahoney
Counts of general 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. Timothy J. Mahoney billed Medicare for 18 services in 2024
CMS data shows 18 Medicare services from Dr. Mahoney across 1 procedure code in 2024, for 22 Medicare patients. Medicare paid $2,624 for them. Every service was in an office.
Dr. Mahoney's Medicare services by type, 2020 to 2024
- 2020
- 2024
- Tests and treatments
- 2020: 02024: 18
- Office and hospital visits
- 2020: 242024: 0100%
Dr. Mahoney compared with the South Dakota median for general surgeons, 2024
- Dr. Mahoney
- South Dakota median
- Medicare services
- 18vs 17890% below
- Medicare patients
- 22vs 16286% below
- Part D claims
- 29vs 3619% below
Medians across 105 general surgeons in South Dakota with Dmand AI profiles that report each measure.
Dr. Mahoney's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mahoney and other general surgeons in South Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy J. Mahoney treated 22 Medicare patients in 2024, average age 72
CMS counts 22 Medicare patients who saw Dr. Mahoney in 2024. 55% of them have high cholesterol, and 50% have arthritis. Their average risk score is 0.72, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mahoney's median patient age at 54, with 67% women.
Chronic conditions among Dr. Mahoney's Medicare patients, 2024
- High cholesterol55%
- Arthritis50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mahoney's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy J. Mahoney wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Mahoney wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $158 in total drug cost. In 2020, CMS named 39 claims across 3 drugs.
Dr. Mahoney's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 392021: 2926%
Drugs named by CMS: 2 in 2021, 3 in 2020.
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. Timothy J. Mahoney ranks in the 80th percentile for varicose vein removal in Medicare
Dr. Mahoney accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 73 procedures of varicose vein removal by Dr. Mahoney, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mahoney ranks in Medicare procedure volume
- Varicose vein removal
- 80th percentile73 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. Timothy J. Mahoney received $46 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Mahoney from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $19.
General payments to Dr. Mahoney by program year, 2016 to 2019
Companies that paid Dr. Mahoney the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy J. Mahoney has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Mahoney, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Mahoney
- 2011
- CMS Stage 1 2012
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Timothy J. Mahoney graduated from University of North Dakota School of Medicine & Health Sciences
Dr. Mahoney graduated from University of North Dakota School of Medicine & Health Sciences in 1973. Dr. Mahoney is a member of ACS.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Timothy J. Mahoney accepts plans from 18 insurance carriers
Dr. Mahoney is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- HCSC
- Medica
- United Healthcare
- Blue Cross Blue Shield of North Dakota
- Alliant Health Plans
- +10 more carriersWith a free account
Plan types Dr. Mahoney accepts, by number of carriers
- PPO14
- Medicare11
- HMO7
- POS7
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy J. Mahoney'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 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Timothy J. Mahoney
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. Timothy J. Mahoney's NPI number?
Dr. Timothy J. Mahoney's NPI number is 1689608192. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy J. Mahoney?
Dr. Timothy J. Mahoney is a general surgeon in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Timothy J. Mahoney practice?
Dr. Mahoney practices at 3401 S Kelley Ave, Sioux Falls, SD 57106. Dr. Mahoney's primary practice is Physicians Vein Clinics in Sioux Falls, South Dakota. Dmand AI also links Dr. Mahoney to 3 medical groups, 2 group practices and clinics and 1 community health center.
What is Dr. Timothy J. Mahoney's office phone number?
The practice phone on file for Dr. Mahoney is (605) 274-0217.
What is Dr. Timothy J. Mahoney's medical license number?
Dr. Mahoney holds North Dakota license 3622, one of the licenses on file in 2 states.
Which states has Dr. Timothy J. Mahoney been licensed in?
Dmand AI has state licenses on file for Dr. Mahoney in North Dakota (1975 to 2026) and Minnesota (1978 to 2026).
Which hospitals is Dr. Timothy J. Mahoney affiliated with?
Dr. Mahoney is affiliated with Vibra Hospital of Fargo.
What medical group is Dr. Timothy J. Mahoney part of?
Dr. Mahoney is linked to Physicians Vein Clinics. Dmand AI links Dr. Mahoney to 3 more medical groups.
Does Dr. Timothy J. Mahoney accept Medicare?
Yes. CMS data shows Dr. Mahoney billed Medicare for 18 services in 2024, and Dr. Mahoney accepts Medicare assignment.
How many Medicare patients does Dr. Timothy J. Mahoney see?
CMS counts 22 Medicare patients who saw Dr. Mahoney in 2024, with an average age of 72.
Show 6 more questionsShow fewer questions
What services does Dr. Timothy J. Mahoney bill to Medicare?
In 2024, Dr. Mahoney's most billed Medicare services were blood vessel study (93970).
Where did Dr. Timothy J. Mahoney go to medical school?
Dr. Mahoney graduated from University of North Dakota School of Medicine & Health Sciences in 1973.
What drugs does Dr. Timothy J. Mahoney prescribe most?
In 2021 Medicare Part D data, Dr. Mahoney's most prescribed drugs by claims were Amitriptyline HCl and Tramadol HCl.
Has Dr. Timothy J. Mahoney received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Dr. Mahoney from 3 companies from 2016 to 2019. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Timothy J. Mahoney been practicing?
Dr. Mahoney graduated from medical school in 1973, 53 years ago.
What insurance does Dr. Timothy J. Mahoney accept?
Dr. Mahoney is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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