Christina Sayama, M.D., M.P.H.
NPI 1801031851 · Neurological Surgery Physician · Portland, OR
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Sayama, M.D., M.P.H. is a Neurological Surgery Physician provider in Portland, OR (NPI 1801031851).
Provider details
- NPI number
- 1801031851
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD168407 (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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 501 N Graham St Ste 330bPortland, OR 97227-2009Phone: (503) 413-3690
Registry dates
- Enumerated
- 2008-12-04
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Christina Sayama's NPI number?
- Christina Sayama's National Provider Identifier (NPI) is 1801031851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Sayama's specialty?
- Christina Sayama is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Sayama located?
- Christina Sayama's practice location on file with NPPES is 3303 Sw Bond Ave, Portland, OR 97239-4501.
- What is Christina Sayama's phone number?
- The practice phone number listed in the NPPES registry for Christina Sayama is (503) 494-4314.
- Does Christina Sayama accept Medicare?
- Christina Sayama is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Sayama's NPI active?
- Yes — Christina Sayama's NPI (1801031851) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.