Dr. Christopher O. Harper, MD
- Medicare services, 2024
- 1,963
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 15,271
- Hospital affiliations
- 1
- Industry payments
- $8,308
- Practice address
- 100 Dana Rd, Warrior, AL 35180-1420
- Practice phone
- Call (205) 647-6333
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Warrior Medical Associates
Primary care practice · Warrior, Alabama
Find Dr. Harper'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. Christopher O. Harper is an internist in Warrior, Alabama
Dr. Harper practices at Warrior Medical Associates in Warrior, Alabama.
Dr. Harper's NPI, 1770575854, was assigned on August 16, 2005. Dr. Harper graduated from University of Alabama School of Medicine in 1993. Dr. Harper holds Alabama license 18452.
- NPI
- 1770575854NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234265422
- NPI enumeration date
- August 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (205) 647-6333
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher O. Harper practices at Warrior Medical Associates in Warrior, Alabama
Dr. Harper's primary practice is Warrior Medical Associates, at 100 Dana Rd, Warrior, AL 35180-1420. The practice phone is (205) 647-6333.
- Warrior Medical Associates100 Dana Rd, Warrior, AL 35180-1420Phone(205) 647-6333
Source: Dmand AI Affiliation Data
Dr. Christopher O. Harper is affiliated with 3 sites of care and 1 medical group
Dr. Harper's primary practice is Warrior Medical Associates in Warrior, Alabama. Dr. Harper is also affiliated with UAB Hospital. The medical group on file is Warrior Medical Associates. Dmand AI also links Dr. Harper to 1 more home health agency, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher O. Harper's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harper practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Warrior Medical Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher O. Harper is one of 1,685 internists in Alabama
Internal medicine is Dr. Harper's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Harper is licensed in Alabama.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
Internists near Dr. Harper
Counts of internists 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. Christopher O. Harper billed Medicare for 1,963 services in 2024
CMS data shows 1,963 Medicare services from Dr. Harper across 25 procedure codes in 2024, for 155 Medicare patients. Medicare paid $86,990 for them. Every service was in an office.
Dr. Harper's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6792024: 6891%
- Drugs given in the office
- 2023: 3952024: 48824%
- Other services
- 2023: 3452024: 47939%
- Lab and pathology
- 2023: 402024: 141253%
- Tests and treatments
- 2023: 982024: 12123%
- Surgery
- 2023: 132024: 32146%
- Imaging
- 2023: 02024: 13
Dr. Harper compared with the Alabama median for internists, 2024
- Dr. Harper
- Alabama median
- Medicare services
- 1,963vs 6643.0 times
- Medicare patients
- 155vs 20324% below
- Part D claims
- 14,472vs 50028.9 times
Medians across 1,610 internists in Alabama with Dmand AI profiles that report each measure.
Dr. Harper'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.
Need commercial claims for Dr. Harper?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harper and other internists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher O. Harper treated 155 Medicare patients in 2024, average age 73
CMS counts 155 Medicare patients who saw Dr. Harper in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Harper's median patient age at 68, with 59% women.
Dr. Harper's Medicare patients by age, 2024
Dr. Harper's Medicare patients by sex, 2024
- Women8756%
- Men6844%
Chronic conditions among Dr. Harper's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease64%
- Arthritis50%
- Diabetes36%
- Ischemic heart disease28%
- Mood disorders28%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harper's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher O. Harper wrote 15,271 Medicare Part D claims in 2024
In 2024, Dr. Harper wrote 15,271 Medicare Part D claims for 700 patients. 88% of them were for generic drugs. CMS names the drug for 14,472 of them, across 196 drugs with 11 or more claims each, at $1,407,349 in total drug cost. In 2023, CMS named 12,530 claims across 190 drugs.
Dr. Harper's Part D claims by kind of drug, 2024
- Generic13,442 claims88%
- Brand-name1,739 claims11%
- Other90 claims1%
Dr. Harper'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. Harper's Part D claims, 2024
- Opioids6%965 of 15,271 claims
- Antibiotics2%346 of 15,271 claims
- Antipsychotics, patients 65 and over1%146 of 15,271 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: 12,5302024: 14,47215%
Drugs named by CMS: 196 in 2024, 190 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. Christopher O. Harper ranks in the 81st percentile for removal of tissue in Medicare
Dr. Harper accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 67 procedures of removal of tissue by Dr. Harper, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Harper ranks in Medicare procedure volume
- Removal of tissue
- 81st percentile67 procedures
- Removal of nail tissue
- 63rd percentile30 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)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. Christopher O. Harper received $8,308 in industry payments from 2016 to 2025
CMS Open Payments shows 564 general payments to Dr. Harper from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $1,303.
General payments to Dr. Harper by program year, 2016 to 2025
General payments to Dr. Harper by kind, 2016 to 2025
- Food and beverage$8,289100%
- Education$190%
Companies that paid Dr. Harper 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. Christopher O. Harper graduated from University of Alabama School of Medicine
Dr. Harper graduated from University of Alabama School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher O. Harper'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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. Christopher O. Harper
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. Christopher O. Harper's NPI number?
Dr. Christopher O. Harper's NPI number is 1770575854. It was assigned on August 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher O. Harper?
Dr. Christopher O. Harper is an internist in Warrior, Alabama. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher O. Harper practice?
Dr. Harper practices at 100 Dana Rd, Warrior, AL 35180-1420. Dr. Harper's primary practice is Warrior Medical Associates in Warrior, Alabama. Dmand AI also links Dr. Harper to 1 home health agency.
What is Dr. Christopher O. Harper's office phone number?
The practice phone on file for Dr. Harper is (205) 647-6333.
What is Dr. Christopher O. Harper's medical license number?
Dr. Harper holds Alabama license 18452.
Which hospitals is Dr. Christopher O. Harper affiliated with?
Dr. Harper is affiliated with UAB Hospital.
What medical group is Dr. Christopher O. Harper part of?
Dr. Harper is linked to Warrior Medical Associates.
Does Dr. Christopher O. Harper accept Medicare?
Yes. CMS data shows Dr. Harper billed Medicare for 1,963 services in 2024, and Dr. Harper accepts Medicare assignment.
How many Medicare patients does Dr. Christopher O. Harper see?
CMS counts 155 Medicare patients who saw Dr. Harper in 2024, with an average age of 73.
What services does Dr. Christopher O. Harper bill to Medicare?
In 2024, Dr. Harper's most billed Medicare services were injected or infused drug (J1100), office visit, established patient (99215) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Christopher O. Harper go to medical school?
Dr. Harper graduated from University of Alabama School of Medicine in 1993.
What drugs does Dr. Christopher O. Harper prescribe most?
In 2024 Medicare Part D data, Dr. Harper's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Tramadol HCl.
Has Dr. Christopher O. Harper received payments from drug or device companies?
CMS Open Payments shows $8,308 in general payments to Dr. Harper from 45 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Christopher O. Harper been practicing?
Dr. Harper graduated from medical school in 1993, 33 years ago.
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