Dr. David R. Clarkson, MD
- Medicare services, 2024
- 58
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 288
- Hospital affiliations
- 1
- Industry payments
- $1,212
- Practice address
- 8367 Morphy Ave, Fairhope, AL 36532
- Practice phone
- Call (251) 435-5037
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thomas Hospital Internal Medicine Clinic
Fairhope, Alabama
Find Dr. Clarkson'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. David R. Clarkson is a hematologist and oncologist in Fairhope, Alabama
Dr. Clarkson practices at Thomas Hospital Internal Medicine Clinic in Fairhope, Alabama.
Dr. Clarkson's NPI, 1588656920, was assigned on August 22, 2005. Dr. Clarkson graduated from University of Florida College of Medicine in 1969. Dr. Clarkson holds Alabama license 6556.
- NPI
- 1588656920NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911001003
- NPI enumeration date
- August 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (251) 435-5037
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 83
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David R. Clarkson practices at Thomas Hospital Internal Medicine Clinic in Fairhope, Alabama
Dr. Clarkson's primary practice is Thomas Hospital Internal Medicine Clinic, at 8367 Morphy Ave, Fairhope, AL 36532 in Baldwin County. The practice phone is (251) 435-5037.
- Thomas Hospital Internal Medicine Clinic8367 Morphy Ave, Fairhope, AL 36532 · Baldwin CountyPhone(251) 435-5037
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David R. Clarkson is affiliated with 4 sites of care and 3 medical groups
Dr. Clarkson's primary practice is Thomas Hospital Internal Medicine Clinic in Fairhope, Alabama. Dr. Clarkson is also affiliated with Thomas Hospital. The medical group on file is USA Student Health Center. Dmand AI also links Dr. Clarkson to 2 more group practices and clinics and 2 medical groups, 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. David R. Clarkson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clarkson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas Hospital Internal Medicine Clinic | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David R. Clarkson is one of 169 hematologists and oncologists in Alabama
Hematology and oncology is Dr. Clarkson's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Clarkson is licensed in Alabama.
Specialties and state licenses
- Hematology and oncology, AlabamaPrimary
Hematologists and oncologists near Dr. Clarkson
Counts of hematologists and oncologists 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. David R. Clarkson billed Medicare for 58 services in 2024
CMS data shows 58 Medicare services from Dr. Clarkson across 2 procedure codes in 2024, all of them office visits, for 54 Medicare patients. Medicare paid $3,881 for them. Every service was in an office.
Dr. Clarkson's Medicare services by type, 2019 to 2024
- 2019
- 2024
- Office and hospital visits
- 2019: 2452024: 5876%
- Other services
- 2019: 1942024: 0100%
Dr. Clarkson compared with the Alabama median for hematologists and oncologists, 2024
- Dr. Clarkson
- Alabama median
- Medicare services
- 58vs 1,22495% below
- Medicare patients
- 54vs 28281% below
- Part D claims
- 76vs 84691% below
Medians across 162 hematologists and oncologists in Alabama with Dmand AI profiles that report each measure.
Dr. Clarkson'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. Clarkson and other hematologists and oncologists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David R. Clarkson treated 54 Medicare patients in 2024, average age 72
CMS counts 54 Medicare patients who saw Dr. Clarkson in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clarkson's median patient age at 69, with 64% women.
Dr. Clarkson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Clarkson's Medicare patients by sex, 2024
- Women2546%
- Men2954%
Chronic conditions among Dr. Clarkson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis39%
- Chronic kidney disease39%
- Anxiety35%
- Diabetes31%
- Ischemic heart disease31%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clarkson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David R. Clarkson wrote 288 Medicare Part D claims in 2024
In 2024, Dr. Clarkson wrote 288 Medicare Part D claims for 78 patients. 91% of them were for generic drugs. CMS names the drug for 76 of them, across 5 drugs with 11 or more claims each, at $391 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Dr. Clarkson's Part D claims by kind of drug, 2024
- Generic261 claims91%
- Brand-name27 claims9%
Dr. Clarkson'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.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 122024: 76533%
Drugs named by CMS: 5 in 2024, 1 in 2022.
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. David R. Clarkson offers telehealth to Medicare patients
Dr. Clarkson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Clarkson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David R. Clarkson received $1,212 in industry payments from 2016 to 2024
CMS Open Payments shows 37 general payments to Dr. Clarkson from 15 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. Janssen Pharmaceuticals, Inc paid the most, $179.
General payments to Dr. Clarkson by program year, 2016 to 2024
General payments to Dr. Clarkson by kind, 2016 to 2024
- Food and beverage$1,18598%
- Education$272%
Companies that paid Dr. Clarkson 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. David R. Clarkson graduated from University of Florida College of Medicine
Dr. Clarkson graduated from University of Florida College of Medicine in 1969.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David R. Clarkson'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) |
| 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. David R. Clarkson
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. David R. Clarkson's NPI number?
Dr. David R. Clarkson's NPI number is 1588656920. It was assigned on August 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David R. Clarkson?
Dr. David R. Clarkson is a hematologist and oncologist in Fairhope, Alabama. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. David R. Clarkson practice?
Dr. Clarkson practices at 8367 Morphy Ave, Fairhope, AL 36532. Dr. Clarkson's primary practice is Thomas Hospital Internal Medicine Clinic in Fairhope, Alabama. Dmand AI also links Dr. Clarkson to 2 group practices and clinics and 2 medical groups.
What is Dr. David R. Clarkson's office phone number?
The practice phone on file for Dr. Clarkson is (251) 435-5037.
What is Dr. David R. Clarkson's medical license number?
Dr. Clarkson holds Alabama license 6556.
Which hospitals is Dr. David R. Clarkson affiliated with?
Dr. Clarkson is affiliated with Thomas Hospital.
What medical group is Dr. David R. Clarkson part of?
Dr. Clarkson is linked to USA Student Health Center. Dmand AI links Dr. Clarkson to 2 more medical groups.
Does Dr. David R. Clarkson accept Medicare?
Yes. CMS data shows Dr. Clarkson billed Medicare for 58 services in 2024, and Dr. Clarkson accepts Medicare assignment.
Does Dr. David R. Clarkson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Clarkson as offering telehealth services.
How many Medicare patients does Dr. David R. Clarkson see?
CMS counts 54 Medicare patients who saw Dr. Clarkson in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. David R. Clarkson bill to Medicare?
In 2024, Dr. Clarkson's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. David R. Clarkson go to medical school?
Dr. Clarkson graduated from University of Florida College of Medicine in 1969.
What drugs does Dr. David R. Clarkson prescribe most?
In 2024 Medicare Part D data, Dr. Clarkson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. David R. Clarkson received payments from drug or device companies?
CMS Open Payments shows $1,212 in general payments to Dr. Clarkson from 15 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. David R. Clarkson been practicing?
Dr. Clarkson graduated from medical school in 1969, 57 years ago.
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