Doctor profile · Federal record
Dr. Mark Mason, M.D.
Surgery Physician (CMS: General Surgery) · Medford, OR
- NPI 1336124510
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1698 E McAndrews RD, Suite 160
Medford, OR 975045589
(541) 732-7874
fax (541) 732-7875 - Mailing address
-
Po Box 3158
Portland, OR 972083158
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- October 20, 2020
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Oregon #MD160445
- Medicaid
- OR #500651507
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336124510. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
435
Distinct HCPCS
10
Medicare allowed
$67,058
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 102 | 101 | $97 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 87 | 86 | $243 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 39 | $122 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $162 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 32 | 16 | $77 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 22 | 22 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 20 | $126 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $214 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 16 | 16 | $165 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 14 | $96 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 45. This provider delivers 9.7× the peer median.Open Payments
Industry payments received
All-time total
$259
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 4 | $225.54 | |
| Solventum Corporation | 1 | $20.88 | |
| Microline Surgical Inc | 1 | $12.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
65
Patients
47
Total drug cost
$1,953
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 28 | 27 | $125 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 20 | 20 | $1,605 |
| Omeprazole | Generic | 17 | 0 | $223 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Mason's medical specialty?
Dr. Mark Mason practices Surgery Physician in Medford, OR.
Where does Dr. Mark Mason practice?
Dr. Mark Mason practices at 1698 E McAndrews RD, Medford, OR 975045589. Office phone: 5417327874.
What is Dr. Mark Mason's NPI?
Dr. Mark Mason's National Provider Identifier (NPI) is 1336124510, issued by NPPES.
Does Dr. Mark Mason accept Medicare assignment?
Yes. Dr. Mark Mason accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Mason commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.