Gregory Ruttan, M.D.
NPI 1295702306 · Internal Medicine Physician · Clackamas, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ruttan, M.D. is a Internal Medicine Physician provider in Clackamas, OR (NPI 1295702306).
Provider details
- NPI number
- 1295702306
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD24600 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
34 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 34 | $77 |
Typical Medicare-allowed amounts for these services range $77–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 17 |
| Metoprolol Succinate | 39 | 20 |
| Empagliflozinbrand: Jardiance | 32 | 13 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 27 | 18 |
| Tamsulosin Hcl | 27 | — |
| Sacubitril/Valsartanbrand: Entresto | 24 | — |
Practice location
Mailing address
Additional practice locations (1)
- 3377 Riverbend DrSpringfield, OR 97477-8803Phone: (541) 242-5245Fax: (541) 686-6370
Registry dates
- Enumerated
- 2006-03-07
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Gregory Ruttan's NPI number?
- Gregory Ruttan's National Provider Identifier (NPI) is 1295702306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ruttan's specialty?
- Gregory Ruttan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ruttan located?
- Gregory Ruttan's practice location on file with NPPES is 10180 Se Sunnyside Rd, Clackamas, OR 97015-8970.
- What is Gregory Ruttan's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ruttan is (800) 813-2000.
- Does Gregory Ruttan accept Medicare?
- Gregory Ruttan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ruttan's NPI active?
- Yes — Gregory Ruttan's NPI (1295702306) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.