Doctor profile · Federal record
Dr. Mark Thomas, MD
Surgery Physician (CMS: General Surgery) · Portland, OR
- NPI 1720229545
- Accepts Medicare
- 18 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
501 N Graham St Ste 555
Portland, OR 972272007
(503) 288-7535
fax (503) 288-7538 - Mailing address
-
847 Ne 19Th Ave Ste 300
Portland, OR 972322686
Credentials & registration
- NPI registered
- March 2009 — 17 yrs on file
- Profile last updated
- November 29, 2021
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Oregon #MD192179
- Medicaid
- OR #500654902
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720229545. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
238
Distinct HCPCS
4
Medicare allowed
$20,319
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 138 | 30 | $49 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 46 | 15 | $79 | |
99291 |
Critical care, first 30-74 minutes | 38 | 11 | $212 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 12 | $119 |
In context: peer comparison
Among 34 peers in Portland Surgery Physician, average services per provider: 29. This provider delivers 8.2× the peer median.Open Payments
Industry payments received
All-time total
$126
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Integra LifeSciences Corporation | 1 | $77.43 | |
| Avita Medical Americas, LLC | 1 | $16.73 | |
| Cook Medical LLC | 1 | $15.95 | |
| PolyNovo North America LLC | 1 | $15.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
0
Total drug cost
$188
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 12 | 0 | $77 |
| Gabapentin | Generic | 11 | 0 | $111 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Thomas's medical specialty?
Dr. Mark Thomas practices Surgery Physician in Portland, OR.
Where does Dr. Mark Thomas practice?
Dr. Mark Thomas practices at 501 N Graham St Ste 555, Portland, OR 972272007. Office phone: 5032887535.
What is Dr. Mark Thomas's NPI?
Dr. Mark Thomas's National Provider Identifier (NPI) is 1720229545, issued by NPPES.
Does Dr. Mark Thomas accept Medicare assignment?
Yes. Dr. Mark Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Thomas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.