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Katherine Holloway, LD
NPI 1780863761 · Obstetrics Physician · Portland, OR
Katherine Holloway, LD is a Obstetrics Physician provider in Portland, OR (NPI 1780863761).
Provider details
- NPI number
- 1780863761
- Entity type
- Individual
- Primary specialty
- Obstetrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- LD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1003381 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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.
Practice location
4037 Ne 8th Ave
Portland, OR 97212-1208
Phone: (503) 998-0252
Fax: (503) 239-4413
Street-level locationGet directions
Mailing address
4037 Ne 8th Ave
Portland, OR 97212
Registry dates
- Enumerated
- 2007-10-26
- Last updated
- 2007-10-26
Frequently asked questions
- What is Katherine Holloway's NPI number?
- Katherine Holloway's National Provider Identifier (NPI) is 1780863761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Holloway's specialty?
- Katherine Holloway is listed in the NPPES registry with a primary specialty of Obstetrics Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Holloway located?
- Katherine Holloway's practice location on file with NPPES is 4037 Ne 8th Ave, Portland, OR 97212-1208.
- What is Katherine Holloway's phone number?
- The practice phone number listed in the NPPES registry for Katherine Holloway is (503) 998-0252.
- Is Katherine Holloway's NPI active?
- Yes — Katherine Holloway's NPI (1780863761) is active in the NPPES registry as of the last update on 2007-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.