Nathan Paulson, MD
NPI 1518494517 · Anatomic Pathology & Clinical Pathology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Paulson, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Portland, OR (NPI 1518494517).
Provider details
- NPI number
- 1518494517
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD209227 (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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,380 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 382 | $28 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 224 | $37 |
| Special Stained Specimen Slides to Examine Tissue, Each Multiplex Procedure88344 | 151 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 130 | $35 |
| Microscopic Genetic Analysis of Tissue, Computer-Assisted Technology, Initial Procedure, Each Multiplex Procedure88374 | 120 | $41 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 93 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-22
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Nathan Paulson's NPI number?
- Nathan Paulson's National Provider Identifier (NPI) is 1518494517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Paulson's specialty?
- Nathan Paulson is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Paulson located?
- Nathan Paulson's practice location on file with NPPES is 4400 Ne Halsey St, Portland, OR 97213-1545.
- What is Nathan Paulson's phone number?
- The practice phone number listed in the NPPES registry for Nathan Paulson is (503) 893-7777.
- Does Nathan Paulson accept Medicare?
- Nathan Paulson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Paulson's NPI active?
- Yes — Nathan Paulson's NPI (1518494517) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.