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Edit this profileAt a glance
- 3521 Nw Samaritan Dr, Suite 101, Corvallis, OR 97330
About Dr. Schwartz
Gregory D. Schwartz, MD is a specialist based in Corvallis, OR. Medicare claims data shows Gregory provided 689 services to 672 patients. The services billed most often include removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1760423289.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (541) 768-6119
- Email not available
Practice Locations
3521 NW SAMARITAN DR SUITE 101
Corvallis, OR 97330
Procedures Most Often Billed to Medicare
689 services · 672 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
178 | More than most peers in Specialist |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
154 | More than most peers in Specialist |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
108 | More often than most peers in Specialist |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
36 | As often as other peers in Specialist |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
15 | Less often than most peers in Specialist |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
14 | Less often than most peers in Specialist |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
45 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
45 | Less often than most peers in Specialist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 | Less often than most peers in Specialist |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
21 | Less often than most peers in Specialist |
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 specialists in Corvallis 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 11 related providers in 2 groups
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 3
Providers in OR who bill this service to Medicare most often.
Common questions
What is Dr. Schwartz's specialty?
Dr. Schwartz is a specialist in Corvallis, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Schwartz?
Dr. Schwartz is listed at 3521 Nw Samaritan Dr Suite 101, Corvallis, OR 97330. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Schwartz?
The number on file is (541) 768-6119. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Schwartz?
Dr. Schwartz's National Provider Identifier is 1760423289. 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
What is Dr. Schwartz's medical education?
Dr. Schwartz attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Schwartz have?
Dr. Schwartz has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Schwartz known for?
According to Medicare billing data, Dr. Schwartz performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope 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
Is Dr. Schwartz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Schwartz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.