Michael Northrop, M.D.
NPI 1235557182 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Northrop, M.D. is a Internal Medicine Physician provider in Portland, OR (NPI 1235557182).
Provider details
- NPI number
- 1235557182
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD193585 (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
12 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
256 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 50 Minutes99233 | 120 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 47 | $78 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 31 | $115 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 30 | $49 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 28 | $172 |
Typical Medicare-allowed amounts for these services range $49–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Additional practice locations (1)
- 3181 Sw Sam Jackson Park RdPortland, OR 97239Phone: (503) 494-8562
Registry dates
- Enumerated
- 2014-03-28
- Last updated
- 2020-06-11
- Certified
- 2020-06-11
Frequently asked questions
- What is Michael Northrop's NPI number?
- Michael Northrop's National Provider Identifier (NPI) is 1235557182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Northrop's specialty?
- Michael Northrop is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Northrop located?
- Michael Northrop's practice location on file with NPPES is 2801 N Gantenbein Ave, Portland, OR 97227-1623.
- What is Michael Northrop's phone number?
- The practice phone number listed in the NPPES registry for Michael Northrop is (503) 413-8407.
- Does Michael Northrop accept Medicare?
- Michael Northrop is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Northrop's NPI active?
- Yes — Michael Northrop's NPI (1235557182) is active in the NPPES registry as of the last update on 2020-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.