Dr. Mark Daniel Bullock, MD
- Medicare services, 2023
- 970
- Part D claims, 2023
- 101
- Industry payments
- $1,884
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 6100 Daylong Ln, Clarksville, MD 21029
- Practice phone
- Call (443) 535-8770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia Foot and Ankle Ambulatory Surgical Center, LLC
Clarksville, Maryland
Find Dr. Bullock'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 Daniel Bullock is an orthopedic surgeon in Clarksville, Maryland
Dr. Bullock practices at Columbia Foot and Ankle Ambulatory Surgical Center, LLC in Clarksville, Maryland.
Dr. Bullock's NPI, 1699835017, was assigned on December 8, 2006. Dr. Bullock graduated from University of Maryland School of Medicine in 1987. Dr. Bullock holds Maryland license D41258.
- NPI
- 1699835017NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Practice phone
- (443) 535-8770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark Daniel Bullock practices at Columbia Foot and Ankle Ambulatory Surgical Center, LLC in Clarksville, Maryland
Dr. Bullock's primary practice is Columbia Foot and Ankle Ambulatory Surgical Center, LLC, at 6100 Daylong Ln, Clarksville, MD 21029 in Howard County. The practice phone is (443) 535-8770.
- Columbia Foot and Ankle Ambulatory Surgical Center, LLC6100 Daylong Ln, Clarksville, MD 21029 · Howard CountyPhone(443) 535-8770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Daniel Bullock is affiliated with 2 sites of care and 1 medical group
Dr. Bullock's primary practice is Columbia Foot and Ankle Ambulatory Surgical Center, LLC in Clarksville, Maryland. The medical group on file is The Centers for Advanced Orthopaedics. Dmand AI also links Dr. Bullock to 1 more group practice or clinic, 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. Mark Daniel Bullock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bullock practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia Foot and Ankle Ambulatory Surgical Center, LLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Daniel Bullock is one of 404 orthopedic surgeons in Maryland
Orthopaedic surgery is Dr. Bullock's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Bullock is licensed in Maryland.
Specialties and state licenses
- Orthopaedic surgery, MarylandPrimary
Orthopedic surgeons near Dr. Bullock
Counts of orthopedic 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. Mark Daniel Bullock billed Medicare for 970 services in 2023
CMS data shows 970 Medicare services from Dr. Bullock across 11 procedure codes in 2023. Medicare paid $28,896 for them. Every service was in an office.
Dr. Bullock's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Drugs given in the office
- 2022: 1,0582023: 52550%
- Office and hospital visits
- 2022: 4422023: 25343%
- Surgery
- 2022: 1962023: 10049%
- Imaging
- 2022: 2432023: 9262%
Dr. Bullock compared with the Maryland median for orthopedic surgeons, 2023
- Dr. Bullock
- Maryland median
- Medicare services
- 970vs 1,34328% below
- Part D claims
- 101vs 9012% above
Medians across 368 orthopedic surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Bullock's most billed Medicare procedure codes, 2023
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. Bullock and other orthopedic surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Daniel Bullock's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Bullock's median patient age at 54, with 36% women.
Dr. Bullock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Mark Daniel Bullock wrote 101 Medicare Part D claims in 2023
In 2023, Dr. Bullock wrote 101 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $496 in total drug cost. In 2022, CMS named 121 claims across 3 drugs.
Dr. Bullock's most prescribed drugs by claims, 2023
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 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1212023: 10117%
Drugs named by CMS: 2 in 2023, 3 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark Daniel Bullock received $1,884 in industry payments from 2016 to 2021
CMS Open Payments shows 7 general payments to Dr. Bullock from 5 drug and device companies from 2016 to 2021. Education make up the largest share, 73% of the total. Supreme Orthopedic Systems, LLC paid the most, $1,367.
General payments to Dr. Bullock by program year, 2016 to 2021
General payments to Dr. Bullock by kind, 2016 to 2021
- Education$1,36773%
- Travel and lodging$31317%
- Food and beverage$20411%
Companies that paid Dr. Bullock the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Daniel Bullock graduated from University of Maryland School of Medicine
Dr. Bullock graduated from University of Maryland School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Daniel Bullock'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Mark Daniel Bullock
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 Daniel Bullock's NPI number?
Dr. Mark Daniel Bullock's NPI number is 1699835017. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Daniel Bullock?
Dr. Mark Daniel Bullock is an orthopedic surgeon in Clarksville, Maryland. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark Daniel Bullock practice?
Dr. Bullock practices at 6100 Daylong Ln, Clarksville, MD 21029. Dr. Bullock's primary practice is Columbia Foot and Ankle Ambulatory Surgical Center, LLC in Clarksville, Maryland. Dmand AI also links Dr. Bullock to 1 group practice or clinic.
What is Dr. Mark Daniel Bullock's office phone number?
The practice phone on file for Dr. Bullock is (443) 535-8770.
What is Dr. Mark Daniel Bullock's medical license number?
Dr. Bullock holds Maryland license D41258.
What medical group is Dr. Mark Daniel Bullock part of?
Dr. Bullock is linked to The Centers for Advanced Orthopaedics.
Does Dr. Mark Daniel Bullock accept Medicare?
Yes. CMS data shows Dr. Bullock billed Medicare for 970 services in 2023.
What services does Dr. Mark Daniel Bullock bill to Medicare?
In 2023, Dr. Bullock's most billed Medicare services were injected or infused drug (J3301), surgery: bones and joints (20610) and office visit, established patient (99214).
Where did Dr. Mark Daniel Bullock go to medical school?
Dr. Bullock graduated from University of Maryland School of Medicine in 1987.
What drugs does Dr. Mark Daniel Bullock prescribe most?
In 2023 Medicare Part D data, Dr. Bullock's most prescribed drugs by claims were Meloxicam and Tramadol HCl.
Has Dr. Mark Daniel Bullock received payments from drug or device companies?
CMS Open Payments shows $1,884 in general payments to Dr. Bullock from 5 companies from 2016 to 2021. The largest total came from Supreme Orthopedic Systems, LLC.
How long has Dr. Mark Daniel Bullock been practicing?
Dr. Bullock graduated from medical school in 1987, 39 years ago.
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