Dr. Mark Wendell Anderson, MD
- Medicare services, 2024
- 633
- Medicare patients, 2024
- 413
- Part D claims, 2024
- 1,031
- Hospital affiliations
- 1
- Industry payments
- $1,030
- Practice address
- 901 N Winstead Ave, Rocky Mount, NC 27804
- Practice phone
- Call (252) 937-0291
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boice-Willis Clinic -Rocky Mount Medical Park
Rocky Mount, North Carolina
Find Dr. Anderson'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. Mark Wendell Anderson is a gastroenterologist in Rocky Mount, North Carolina
Dr. Anderson practices at Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina.
Dr. Anderson's NPI, 1184628844, was assigned on June 10, 2005. Dr. Anderson holds North Carolina license 200400098.
- NPI
- 1184628844NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204722192
- NPI enumeration date
- June 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (252) 937-0291
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Wendell Anderson practices at Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina
Dr. Anderson's primary practice is Boice-Willis Clinic -Rocky Mount Medical Park, at 901 N Winstead Ave, Rocky Mount, NC 27804 in Nash County. The practice phone is (252) 937-0291.
- Boice-Willis Clinic -Rocky Mount Medical Park901 N Winstead Ave, Rocky Mount, NC 27804 · Nash CountyPhone(252) 937-0291
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Wendell Anderson is affiliated with 3 sites of care and 1 medical group
Dr. Anderson's primary practice is Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina. Dr. Anderson is also affiliated with Nash General Hospital. The medical group on file is Boice-Willis Clinic. Dmand AI also links Dr. Anderson to 1 more ambulatory surgery center, 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. Mark Wendell Anderson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Anderson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boice-Willis Clinic -Rocky Mount Medical Park | 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. Mark Wendell Anderson is one of 590 gastroenterologists in North Carolina
Gastroenterology is Dr. Anderson's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Anderson is licensed in North Carolina.
Specialties and state licenses
- Gastroenterology, North CarolinaPrimary
Gastroenterologists near Dr. Anderson
Counts of gastroenterologists 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. Mark Wendell Anderson billed Medicare for 633 services in 2024
CMS data shows 633 Medicare services from Dr. Anderson across 10 procedure codes in 2024, for 413 Medicare patients. Medicare paid $64,483 for them.
Dr. Anderson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4242024: 36913%
- Office and hospital visits
- 2023: 2102024: 18014%
- Other services
- 2023: 702024: 711%
- Imaging
- 2023: 02024: 13
Where Dr. Anderson's Medicare services took place, 2024
- In an office19330%
- In a facility44070%
Dr. Anderson compared with the North Carolina median for gastroenterologists, 2024
- Dr. Anderson
- North Carolina median
- Medicare services
- 633vs 43845% above
- Medicare patients
- 413vs 26854% above
- Part D claims
- 881vs 4022.2 times
Medians across 567 gastroenterologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Anderson'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. Anderson and other gastroenterologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Wendell Anderson treated 413 Medicare patients in 2024, average age 73
CMS counts 413 Medicare patients who saw Dr. Anderson in 2024. The largest group is 65 to 74, with 208 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Anderson's median patient age at 67, with 59% women.
Dr. Anderson's Medicare patients by age, 2024
Dr. Anderson's Medicare patients by sex, 2024
- Women26263%
- Men15137%
Chronic conditions among Dr. Anderson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Chronic kidney disease36%
- Diabetes36%
- Ischemic heart disease36%
- Anxiety28%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Anderson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Wendell Anderson wrote 1,031 Medicare Part D claims in 2024
In 2024, Dr. Anderson wrote 1,031 Medicare Part D claims for 266 patients. 82% of them were for generic drugs. CMS names the drug for 881 of them, across 17 drugs with 11 or more claims each, at $153,580 in total drug cost. In 2023, CMS named 970 claims across 20 drugs.
Dr. Anderson's Part D claims by kind of drug, 2024
- Generic842 claims82%
- Brand-name189 claims18%
Dr. Anderson'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. Anderson's Part D claims, 2024
- Antibiotics2%25 of 1,031 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: 9702024: 8819%
Drugs named by CMS: 17 in 2024, 20 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. Mark Wendell Anderson ranks in the 80th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Anderson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 119 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Anderson, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Anderson ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile119 procedures
- Colonoscopy
- 74th percentile78 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. Mark Wendell Anderson received $1,030 in industry payments from 2017 to 2025
CMS Open Payments shows 15 general payments to Dr. Anderson from 7 drug and device companies from 2017 to 2025. Gifts make up the largest share, 43% of the total. Sebela Pharmaceuticals Inc. paid the most, $438.
General payments to Dr. Anderson by program year, 2017 to 2025
General payments to Dr. Anderson by kind, 2017 to 2025
- Gifts$43843%
- Food and beverage$27326%
- Speaker and faculty fees$26326%
- Travel and lodging$404%
- Education$162%
Companies that paid Dr. Anderson 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. Mark Wendell Anderson'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. Mark Wendell Anderson
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. Mark Wendell Anderson's NPI number?
Dr. Mark Wendell Anderson's NPI number is 1184628844. It was assigned on June 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Wendell Anderson?
Dr. Mark Wendell Anderson is a gastroenterologist in Rocky Mount, North Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mark Wendell Anderson practice?
Dr. Anderson practices at 901 N Winstead Ave, Rocky Mount, NC 27804. Dr. Anderson's primary practice is Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina. Dmand AI also links Dr. Anderson to 1 ambulatory surgery center.
What is Dr. Mark Wendell Anderson's office phone number?
The practice phone on file for Dr. Anderson is (252) 937-0291.
What is Dr. Mark Wendell Anderson's medical license number?
Dr. Anderson holds North Carolina license 200400098.
Which hospitals is Dr. Mark Wendell Anderson affiliated with?
Dr. Anderson is affiliated with Nash General Hospital.
What medical group is Dr. Mark Wendell Anderson part of?
Dr. Anderson is linked to Boice-Willis Clinic.
Does Dr. Mark Wendell Anderson accept Medicare?
Yes. CMS data shows Dr. Anderson billed Medicare for 633 services in 2024, and Dr. Anderson accepts Medicare assignment.
How many Medicare patients does Dr. Mark Wendell Anderson see?
CMS counts 413 Medicare patients who saw Dr. Anderson in 2024, with an average age of 73.
What services does Dr. Mark Wendell Anderson bill to Medicare?
In 2024, Dr. Anderson's most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99212) and surgery: digestive system (43239).
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What drugs does Dr. Mark Wendell Anderson prescribe most?
In 2024 Medicare Part D data, Dr. Anderson's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Esomeprazole Magnesium.
Has Dr. Mark Wendell Anderson received payments from drug or device companies?
CMS Open Payments shows $1,030 in general payments to Dr. Anderson from 7 companies from 2017 to 2025. The largest total came from Sebela Pharmaceuticals Inc.
How long has Dr. Mark Wendell Anderson been practicing?
Dr. Anderson graduated from medical school in 1990, 36 years ago.
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