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Miriam Markum, RN
NPI 1588548861 · Medical-Surgical Registered Nurse · Portland, OR
Miriam Markum, RN is a Medical-Surgical Registered Nurse provider in Portland, OR (NPI 1588548861).
Provider details
- NPI number
- 1588548861
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 201906363RN (OR)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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.
Practice location
3710 Sw US Veterans Hospital Rd
Portland, OR 97239-2964
Phone: (503) 220-8262
Street-level locationGet directions
Mailing address
3710 Sw US Veterans Hospital Rd
Portland, OR 97239-2964
Registry dates
- Enumerated
- 2025-08-01
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Miriam Markum's NPI number?
- Miriam Markum's National Provider Identifier (NPI) is 1588548861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Markum's specialty?
- Miriam Markum is listed in the NPPES registry with a primary specialty of Medical-Surgical Registered Nurse (Nursing Service Providers).
- Where is Miriam Markum located?
- Miriam Markum's practice location on file with NPPES is 3710 Sw US Veterans Hospital Rd, Portland, OR 97239-2964.
- What is Miriam Markum's phone number?
- The practice phone number listed in the NPPES registry for Miriam Markum is (503) 220-8262.
- Is Miriam Markum's NPI active?
- Yes — Miriam Markum's NPI (1588548861) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.