Physician Profile
Unclaimed ProfileAbout MASON
Mark C Mason, M.D. practises general surgery in Medford, OR. Mark is a 2004 graduate of Michigan College of Medicine and Surgery. Mark is also listed as specialising in surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Mason?
Dr. Mason is a general surgeon in Medford, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Mason's address?
Dr. Mason is listed at 1698 E MCANDREWS RD SUITE 160, Medford, OR 97504. 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. Mason?
The number on file is (541) 732-7874. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mason's NPI number?
Dr. Mason's National Provider Identifier is 1336124510. 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. Mason train?
Dr. Mason attended Michigan College of Medicine and Surgery, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mason been practising?
Dr. Mason has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mason perform?
According to Medicare billing data, Dr. Mason performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mason confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mason. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (541) 732-7874
- Email not available
Practice Locations
1698 E MCANDREWS RD SUITE 160
Medford, OR 97504
Procedures Most Often Billed to Medicare
447 services · 427 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
91 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
90 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
44 |
| Creation of muscle graft to trunk | Procedure | 15734 |
22 |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
16 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
13 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
12 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
41 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 1
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 general surgeons in Medford 7
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Michigan College of Medicine and Surgery 6
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Michigan College of Medicine and Surgery 3
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in OR who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.