Dr. Gary L. Henderson, MD
- Medicare services, 2024
- 174
- Medicare patients, 2024
- 61
- Part D claims, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $7,021
- Practice address
- 2850 N Country Club Rd, Tucson, AZ 85716
- Practice phone
- Call (520) 488-5291
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sunbelt Medical Group
Tucson, Arizona
Find Dr. Henderson'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. Gary L. Henderson is a general surgeon in Tucson, Arizona
Dr. Henderson practices at Sunbelt Medical Group in Tucson, Arizona.
Dr. Henderson's NPI, 1801969498, was assigned on November 15, 2006. Dr. Henderson graduated from University of Alabama School of Medicine in 1963. Dr. Henderson holds Arizona license 0529.
- NPI
- 1801969498NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012042187
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 488-5291
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 89
- Medical school graduation
- 1963
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary L. Henderson practices at Sunbelt Medical Group in Tucson, Arizona
Dr. Henderson's primary practice is Sunbelt Medical Group, at 2850 N Country Club Rd, Tucson, AZ 85716 in Pima County. The practice phone is (520) 488-5291.
- Sunbelt Medical Group2850 N Country Club Rd, Tucson, AZ 85716 · Pima CountyPhone(520) 488-5291
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary L. Henderson is affiliated with 4 sites of care and 1 medical group
Dr. Henderson's primary practice is Sunbelt Medical Group in Tucson, Arizona. Dr. Henderson is also affiliated with Carondelet St. Mary's Hospital. The medical group on file is Sunbelt Medical Group. Dmand AI also links Dr. Henderson to 1 more physician office and 1 group practice or clinic, 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. Gary L. Henderson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Henderson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sunbelt Medical Group | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary L. Henderson is one of 617 general surgeons in Arizona
Surgery is Dr. Henderson's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Henderson's licenses on file in 2 states: Arizona and Alabama.
Specialties and state licenses
- Surgery, ArizonaPrimary
- Alabama license
General surgeons near Dr. Henderson
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. Gary L. Henderson billed Medicare for 174 services in 2024
CMS data shows 174 Medicare services from Dr. Henderson across 6 procedure codes in 2024, for 61 Medicare patients. Medicare paid $11,556 for them.
Dr. Henderson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1962024: 17411%
Where Dr. Henderson's Medicare services took place, 2024
- In an office8750%
- In a facility8750%
Dr. Henderson compared with the Arizona median for general surgeons, 2024
- Dr. Henderson
- Arizona median
- Medicare services
- 174vs 1627% above
- Medicare patients
- 61vs 11647% below
- Part D claims
- 38vs 3123% above
Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Henderson'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. Henderson and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary L. Henderson treated 61 Medicare patients in 2024, average age 75
CMS counts 61 Medicare patients who saw Dr. Henderson in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Henderson's median patient age at 75, with 48% women.
Dr. Henderson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Henderson's Medicare patients by sex, 2024
- Women3252%
- Men2948%
Chronic conditions among Dr. Henderson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Diabetes51%
- Chronic kidney disease46%
- Arthritis38%
- Anxiety26%
- Ischemic heart disease26%
- Heart failure25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Henderson'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
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary L. Henderson wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Henderson wrote 85 Medicare Part D claims for 41 patients. 96% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $235 in total drug cost. In 2023, CMS named 42 claims across 2 drugs.
Dr. Henderson's Part D claims by kind of drug, 2024
- Generic82 claims96%
- Brand-name and other3 claims4%
Dr. Henderson's 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. Henderson's Part D claims, 2024
- Opioids32%27 of 85 claims
- Antibiotics15%13 of 85 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: 422024: 3810%
Drugs named by CMS: 2 in 2024, 2 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 L. Henderson ranks in the 73rd percentile for removal of tissue in Medicare
Dr. Henderson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 29 procedures of removal of tissue by Dr. Henderson, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Henderson ranks in Medicare procedure volume
- Removal of tissue
- 73rd percentile29 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 L. Henderson received $7,021 in industry payments from 2016 to 2024
CMS Open Payments shows 70 general payments to Dr. Henderson from 15 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 56% of the total. Davol Inc. paid the most, $3,528.
General payments to Dr. Henderson by program year, 2016 to 2024
General payments to Dr. Henderson by kind, 2016 to 2024
- Travel and lodging$3,91556%
- Food and beverage$3,10544%
Companies that paid Dr. Henderson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary L. Henderson graduated from University of Alabama School of Medicine
Dr. Henderson graduated from University of Alabama School of Medicine in 1963.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary L. Henderson'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) |
| 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 L. Henderson
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 L. Henderson's NPI number?
Dr. Gary L. Henderson's NPI number is 1801969498. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary L. Henderson?
Dr. Gary L. Henderson is a general surgeon in Tucson, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gary L. Henderson practice?
Dr. Henderson practices at 2850 N Country Club Rd, Tucson, AZ 85716. Dr. Henderson's primary practice is Sunbelt Medical Group in Tucson, Arizona. Dmand AI also links Dr. Henderson to 1 physician office and 1 group practice or clinic.
What is Dr. Gary L. Henderson's office phone number?
The practice phone on file for Dr. Henderson is (520) 488-5291.
What is Dr. Gary L. Henderson's medical license number?
Dr. Henderson holds Arizona license 0529, one of the licenses on file in 2 states.
Which states has Dr. Gary L. Henderson been licensed in?
Dmand AI has state licenses on file for Dr. Henderson in Arizona and Alabama.
Which hospitals is Dr. Gary L. Henderson affiliated with?
Dr. Henderson is affiliated with Carondelet St. Mary's Hospital.
What medical group is Dr. Gary L. Henderson part of?
Dr. Henderson is linked to Sunbelt Medical Group.
Does Dr. Gary L. Henderson accept Medicare?
Yes. CMS data shows Dr. Henderson billed Medicare for 174 services in 2024, and Dr. Henderson accepts Medicare assignment.
How many Medicare patients does Dr. Gary L. Henderson see?
CMS counts 61 Medicare patients who saw Dr. Henderson in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Gary L. Henderson bill to Medicare?
In 2024, Dr. Henderson's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99231).
Where did Dr. Gary L. Henderson go to medical school?
Dr. Henderson graduated from University of Alabama School of Medicine in 1963.
What drugs does Dr. Gary L. Henderson prescribe most?
In 2024 Medicare Part D data, Dr. Henderson's most prescribed drugs by claims were Oxycodone-Acetaminophen and Ibuprofen.
Has Dr. Gary L. Henderson received payments from drug or device companies?
CMS Open Payments shows $7,021 in general payments to Dr. Henderson from 15 companies from 2016 to 2024. The largest total came from Davol Inc.
How long has Dr. Gary L. Henderson been practicing?
Dr. Henderson graduated from medical school in 1963, 63 years ago.
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