Physician Profile
Unclaimed ProfileAbout THOMAS
Based in Portland, OR, Mark Thomas, MD is listed in the NPI registry under general surgery. Mark graduated from University of Louisville School of Medicine in 2008. 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 does Dr. Thomas specialise in?
Dr. Thomas is a general surgeon in Portland, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where is Dr. Thomas located?
Dr. Thomas is listed at 501 N GRAHAM ST STE 555, Portland, OR 97227. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Thomas's phone number?
The number on file is (503) 288-7535. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Thomas?
Dr. Thomas's National Provider Identifier is 1720229545. 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. Thomas go to medical school?
Dr. Thomas attended University of Louisville School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Thomas have?
Dr. Thomas has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Thomas do most often?
According to Medicare billing data, Dr. Thomas performs procedures including preparation of skin graft site of trunk, arms, or legs, 100.0 sq cm or 1% body area for infants and children, or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Thomas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thomas. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 288-7535
- Email not available
Practice Locations
501 N GRAHAM ST STE 555
Portland, OR 97227
Procedures Most Often Billed to Medicare
214 services · 72 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Preparation of skin graft site of trunk, arms, or legs, 100.0 sq cm or 1% body area for infants and children, or less | Procedure | 15002 |
14 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
118 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
47 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
35 |
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.
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 Portland 8
Same specialty, same city.
Trained at University of Louisville School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 2008 at University of Louisville School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Preparation of skin graft site of trunk, arms, or legs, 100.0 sq cm or 1% body area for infants and children, or less 1
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.