Dr. Willard R. Carnahan, MD
- Medicare services, 2023
- 113
- Part D claims, 2023
- 61
- MIPS score, 2024
- 55
- Industry payments
- $5,255
- Affiliated sites
- 2
- Practice address
- 6320 N La Cholla Blvd, Tucson, AZ 85741
- Practice phone
- Call (520) 219-9125
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arizona Community Surgeons - Tucson (N La Cholla Blvd)
Surgical practice · Tucson, Arizona
Find Dr. Carnahan'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. Willard R. Carnahan is a general surgeon in Tucson, Arizona
Dr. Carnahan practices at Arizona Community Surgeons - Tucson (N La Cholla Blvd) in Tucson, Arizona.
Dr. Carnahan's NPI, 1285686311, was assigned on May 17, 2006. Dr. Carnahan graduated from University of Texas Medical Branch at Galveston in 1977. Dr. Carnahan holds Arizona license 13209.
- NPI
- 1285686311NPI Registry (opens in a new tab)
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Practice phone
- (520) 219-9125
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Willard R. Carnahan practices at 2 locations in Tucson, Arizona
Dr. Carnahan's primary practice is Arizona Community Surgeons - Tucson (N La Cholla Blvd), at 6320 N La Cholla Blvd, Tucson, AZ 85741. The practice phone is (520) 219-9125. The NPI Registry lists Dr. Carnahan's practice address as 2055 W Hospital Dr, Tucson, AZ 85704.
- Arizona Community Surgeons - Tucson (N La Cholla Blvd)Primary6320 N La Cholla Blvd, Tucson, AZ 85741Phone(520) 219-9125
- NPI Registry address2055 W Hospital Dr, Tucson, AZ 85704 · Pima CountyPhone(520) 219-9125
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Willard R. Carnahan is affiliated with 2 sites of care and 1 medical group
Dr. Carnahan's primary practice is Arizona Community Surgeons - Tucson (N La Cholla Blvd) in Tucson, Arizona. The medical group on file is Tucson Independent Physicians and Surgeons. Dmand AI also links Dr. Carnahan to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Willard R. Carnahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carnahan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arizona Community Surgeons - Tucson (N La Cholla Blvd) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Willard R. Carnahan is one of 617 general surgeons in Arizona
Surgery is Dr. Carnahan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Carnahan is licensed in Arizona.
Specialties and state licenses
- Surgery, ArizonaPrimary
General surgeons near Dr. Carnahan
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. Willard R. Carnahan billed Medicare for 113 services in 2023
CMS data shows 113 Medicare services from Dr. Carnahan across 5 procedure codes in 2023. Medicare paid $13,145 for them.
Dr. Carnahan's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1682023: 9941%
- Surgery
- 2022: 342023: 1459%
Where Dr. Carnahan's Medicare services took place, 2023
- In an office9988%
- In a facility1412%
Dr. Carnahan compared with the Arizona median for general surgeons, 2023
- Dr. Carnahan
- Arizona median
- Medicare services
- 113vs 16230% below
- Part D claims
- 61vs 3197% above
Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Carnahan's most billed Medicare procedure codes, 2023
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. Carnahan and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Willard R. Carnahan's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Carnahan's median patient age at 65, with 0% women.
Dr. Carnahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Willard R. Carnahan wrote 61 Medicare Part D claims in 2023
In 2023, Dr. Carnahan wrote 61 Medicare Part D claims. They cover 2 drugs, with $244 in total drug cost. In 2022, CMS named 76 claims across 3 drugs.
Dr. Carnahan's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 762023: 6120%
Drugs named by CMS: 2 in 2023, 3 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Willard R. Carnahan scored 55 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 55 out of 100 for Dr. Carnahan for performance year 2024, reported as part of a group.
Dr. Carnahan's MIPS scores, performance year 2024
- 55of 100Final score
- 55.3of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Willard R. Carnahan received $5,255 in industry payments from 2016 to 2022
CMS Open Payments shows 29 general payments to Dr. Carnahan from 14 drug and device companies from 2016 to 2022. Education make up the largest share, 76% of the total. Intuitive Surgical, Inc. paid the most, $4,870.
General payments to Dr. Carnahan by program year, 2016 to 2022
General payments to Dr. Carnahan by kind, 2016 to 2022
- Education$4,00076%
- Food and beverage$1,25524%
Companies that paid Dr. Carnahan the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Willard R. Carnahan graduated from University of Texas Medical Branch at Galveston
Dr. Carnahan graduated from University of Texas Medical Branch at Galveston in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Willard R. Carnahan'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Willard R. Carnahan
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. Willard R. Carnahan's NPI number?
Dr. Willard R. Carnahan's NPI number is 1285686311. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Willard R. Carnahan?
Dr. Willard R. Carnahan is a general surgeon in Tucson, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Willard R. Carnahan practice?
Dr. Carnahan practices at 6320 N La Cholla Blvd, Tucson, AZ 85741. Dr. Carnahan also practices at 2055 W Hospital Dr, Tucson, AZ 85704. Dr. Carnahan's primary practice is Arizona Community Surgeons - Tucson (N La Cholla Blvd) in Tucson, Arizona. Dmand AI also links Dr. Carnahan to 1 physician office.
What is Dr. Willard R. Carnahan's office phone number?
The practice phone on file for Dr. Carnahan is (520) 219-9125.
What is Dr. Willard R. Carnahan's medical license number?
Dr. Carnahan holds Arizona license 13209.
What medical group is Dr. Willard R. Carnahan part of?
Dr. Carnahan is linked to Tucson Independent Physicians and Surgeons.
Does Dr. Willard R. Carnahan accept Medicare?
Yes. CMS data shows Dr. Carnahan billed Medicare for 113 services in 2023.
What is Dr. Willard R. Carnahan's MIPS score?
Dr. Carnahan's MIPS final score for performance year 2024 is 55 out of 100, reported as part of a group.
What services does Dr. Willard R. Carnahan bill to Medicare?
In 2023, Dr. Carnahan's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Willard R. Carnahan go to medical school?
Dr. Carnahan graduated from University of Texas Medical Branch at Galveston in 1977.
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What drugs does Dr. Willard R. Carnahan prescribe most?
In 2023 Medicare Part D data, Dr. Carnahan's most prescribed drugs by claims were Oxycodone-Acetaminophen and Oxycodone HCl.
Has Dr. Willard R. Carnahan received payments from drug or device companies?
CMS Open Payments shows $5,255 in general payments to Dr. Carnahan from 14 companies from 2016 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Willard R. Carnahan been practicing?
Dr. Carnahan graduated from medical school in 1977, 49 years ago.
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