Michael Hayes, M.D.
NPI 1700271103 · Internal Medicine Physician · Clackamas, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hayes, M.D. is a Internal Medicine Physician provider in Clackamas, OR (NPI 1700271103).
Provider details
- NPI number
- 1700271103
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD187678 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 729 | 204 |
| Lisinopril | 420 | 124 |
| Losartan Potassium | 409 | 121 |
| Amlodipine Besylate | 314 | 97 |
| Oxycodone Hcl | 307 | 48 |
| Levothyroxine Sodium | 243 | 69 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-02
- Last updated
- 2025-05-12
- Certified
- 2025-05-12
Frequently asked questions
- What is Michael Hayes's NPI number?
- Michael Hayes's National Provider Identifier (NPI) is 1700271103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hayes's specialty?
- Michael Hayes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hayes located?
- Michael Hayes's practice location on file with NPPES is 9800 Se Sunnyside Rd, Clackamas, OR 97015-9750.
- What is Michael Hayes's phone number?
- The practice phone number listed in the NPPES registry for Michael Hayes is (503) 813-2000.
- Does Michael Hayes accept Medicare?
- Michael Hayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hayes's NPI active?
- Yes — Michael Hayes's NPI (1700271103) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.