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Edit this profileAt a glance
- 2100 Erwin Rd, Durham, NC 27710
About Dr. Mark
Daniel B. Mark, MD is a healthcare provider in Durham, NC specializing in cardiovascular disease. Daniel trained at Tufts University School of Medicine, graduating in 1978. Medicare claims data shows Daniel provided 125 services to 75 patients. The services billed most often include critical care, first 30-74 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. This provider record is associated with NPI 1881778769.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (919) 620-4467
- Email not available
Practice Locations
2100 ERWIN RD
Durham, NC 27710
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
125 services · 75 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
82 | More often than most peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
43 | As often as other peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiologists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiologists in Durham 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Mark?
Dr. Mark is a cardiologist in Durham, NC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
What is Dr. Mark's address?
Dr. Mark is listed at 2100 Erwin Rd, Durham, NC 27710. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Mark?
The number on file is (919) 620-4467. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Mark?
Dr. Mark's National Provider Identifier is 1881778769. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mark train?
Dr. Mark attended Tufts University School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mark have?
Dr. Mark has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mark perform?
According to Medicare billing data, Dr. Mark the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mark's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mark. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.