Dr. Robert Hayne Hollis IV, MD
- Medicare services, 2024
- 104
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 222
- Hospital affiliations
- 1
- Industry payments
- $921
- Practice address
- 619 19th S St, Birmingham, AL 35211
- Practice phone
- Call (205) 731-9770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Alabama Birmingham Hospital
Birmingham, Alabama
Find Dr. Hollis' professional email, personal email and mobile number
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Dr. Robert Hayne Hollis IV is a general surgeon in Birmingham, Alabama
Dr. Hollis practices at University of Alabama Birmingham Hospital in Birmingham, Alabama.
Dr. Hollis' NPI, 1396001004, was assigned on April 6, 2012. Dr. Hollis holds Alabama license 32685.
- NPI
- 1396001004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335399419
- NPI enumeration date
- April 6, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (205) 731-9770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Hayne Hollis IV practices at University of Alabama Birmingham Hospital in Birmingham, Alabama
Dr. Hollis' primary practice is University of Alabama Birmingham Hospital, at 619 19th S St, Birmingham, AL 35211 in Jefferson County. The practice phone is (205) 731-9770.
- University of Alabama Birmingham Hospital619 19th S St, Birmingham, AL 35211 · Jefferson CountyPhone(205) 731-9770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Hayne Hollis IV is affiliated with 2 sites of care and 3 medical groups
Dr. Hollis' primary practice is University of Alabama Birmingham Hospital in Birmingham, Alabama. Dr. Hollis is also affiliated with UAB Hospital. The medical group on file is UAB Medicine. Dmand AI also links Dr. Hollis to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Hayne Hollis IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hollis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Alabama Birmingham Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Hayne Hollis IV is one of 387 general surgeons in Alabama
Surgery is Dr. Hollis' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hollis is licensed in Alabama.
Specialties and state licenses
- Surgery, AlabamaPrimary
General surgeons near Dr. Hollis
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. Robert Hayne Hollis IV billed Medicare for 104 services in 2024
CMS data shows 104 Medicare services from Dr. Hollis across 5 procedure codes in 2024, for 116 Medicare patients. Medicare paid $7,211 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hollis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 772024: 10435%
Dr. Hollis compared with the Alabama median for general surgeons, 2024
- Dr. Hollis
- Alabama median
- Medicare services
- 104vs 22053% below
- Medicare patients
- 116vs 13413% below
- Part D claims
- 160vs 9078% above
Medians across 365 general surgeons in Alabama with Dmand AI profiles that report each measure.
Dr. Hollis' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Hayne Hollis IV treated 116 Medicare patients in 2024, average age 70
CMS counts 116 Medicare patients who saw Dr. Hollis in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.12, 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. Hollis' median patient age at 58, with 54% women.
Dr. Hollis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hollis' Medicare patients by sex, 2024
- Women6859%
- Men4841%
Chronic conditions among Dr. Hollis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Cancer49%
- Mood disorders42%
- Anxiety41%
- Depression41%
- Diabetes34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hollis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Hayne Hollis IV wrote 222 Medicare Part D claims in 2024
In 2024, Dr. Hollis wrote 222 Medicare Part D claims for 81 patients. 87% of them were for generic drugs. CMS names the drug for 160 of them, across 5 drugs with 11 or more claims each, at $1,545 in total drug cost. In 2023, CMS named 108 claims across 3 drugs.
Dr. Hollis' Part D claims by kind of drug, 2024
- Generic194 claims87%
- Brand-name28 claims13%
Dr. Hollis' 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. Hollis' Part D claims, 2024
- Opioids17%38 of 222 claims
- Antibiotics45%100 of 222 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: 1082024: 16048%
Drugs named by CMS: 5 in 2024, 3 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. Robert Hayne Hollis IV ranks in the 59th percentile for colonoscopy in Medicare
Dr. Hollis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 40 procedures of colonoscopy by Dr. Hollis, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hollis ranks in Medicare procedure volume
- Colonoscopy
- 59th percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert Hayne Hollis IV received $921 in industry payments from 2017 to 2025
CMS Open Payments shows 8 general payments to Dr. Hollis from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $506.
General payments to Dr. Hollis by program year, 2017 to 2025
Companies that paid Dr. Hollis the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Hayne Hollis IV'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 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) |
| 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. Robert Hayne Hollis IV
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. Robert Hayne Hollis IV's NPI number?
Dr. Robert Hayne Hollis IV's NPI number is 1396001004. It was assigned on April 6, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Hayne Hollis IV?
Dr. Robert Hayne Hollis IV is a general surgeon in Birmingham, Alabama. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Robert Hayne Hollis IV practice?
Dr. Hollis practices at 619 19th S St, Birmingham, AL 35211. Dr. Hollis' primary practice is University of Alabama Birmingham Hospital in Birmingham, Alabama. Dmand AI also links Dr. Hollis to 2 medical groups.
What is Dr. Robert Hayne Hollis IV's office phone number?
The practice phone on file for Dr. Hollis is (205) 731-9770.
What is Dr. Robert Hayne Hollis IV's medical license number?
Dr. Hollis holds Alabama license 32685.
Which hospitals is Dr. Robert Hayne Hollis IV affiliated with?
Dr. Hollis is affiliated with UAB Hospital.
What medical group is Dr. Robert Hayne Hollis IV part of?
Dr. Hollis is linked to UAB Medicine. Dmand AI links Dr. Hollis to 2 more medical groups.
Does Dr. Robert Hayne Hollis IV accept Medicare?
Yes. CMS data shows Dr. Hollis billed Medicare for 104 services in 2024, and Dr. Hollis accepts Medicare assignment.
How many Medicare patients does Dr. Robert Hayne Hollis IV see?
CMS counts 116 Medicare patients who saw Dr. Hollis in 2024, with an average age of 70.
What services does Dr. Robert Hayne Hollis IV bill to Medicare?
In 2024, Dr. Hollis' most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and office visit, established patient (99214).
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What drugs does Dr. Robert Hayne Hollis IV prescribe most?
In 2024 Medicare Part D data, Dr. Hollis' most prescribed drugs by claims were Metronidazole, Neomycin Sulfate and Oxycodone HCl.
Has Dr. Robert Hayne Hollis IV received payments from drug or device companies?
CMS Open Payments shows $921 in general payments to Dr. Hollis from 5 companies from 2017 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Robert Hayne Hollis IV been practicing?
Dr. Hollis graduated from medical school in 2012, 14 years ago.
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