Physician Profile
Unclaimed ProfileAbout SCHRAY
Based in Portland, OR, Mark Fredrick Schray, M.D. is listed in the NPI registry under radiation oncology. Mark is also listed as specialising in therapeutic radiology.
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. Schray specialise in?
Dr. Schray is a radiation oncology in Portland, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Schray located?
Dr. Schray is listed at 1015 NW 22ND AVE LL50, Portland, OR 97210. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Schray's phone number?
The number on file is (503) 413-7135. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Schray's NPI number?
Dr. Schray's National Provider Identifier is 1063400752. 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. Schray go to medical school?
Dr. Schray attended Other, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Schray been practising?
Dr. Schray has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Schray do most often?
According to Medicare billing data, Dr. Schray performs imaging including ct guidance for insertion of radiation therapy fields. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Schray confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schray. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 413-7135
- Email not available
Practice Locations
1015 NW 22ND AVE LL50
Portland, OR 97210
Procedures Most Often Billed to Medicare
68 services · 38 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
68 |
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 radiation oncology specialists in Portland 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1979 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ct guidance for insertion of radiation therapy fields 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.