John Holttum, MD
NPI 1700839891 · Child & Adolescent Psychiatry Physician · Olympia, WA
John Holttum, MD is a Child & Adolescent Psychiatry Physician provider in Olympia, WA (NPI 1700839891).
Provider details
- NPI number
- 1700839891
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00031823 (WA)
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
20 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
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2015-09-23
Frequently asked questions
- What is John Holttum's NPI number?
- John Holttum's National Provider Identifier (NPI) is 1700839891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Holttum's specialty?
- John Holttum is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Holttum located?
- John Holttum's practice location on file with NPPES is 324 W Bay Dr Nw, Olympia, WA 98502-4926.
- What is John Holttum's phone number?
- The practice phone number listed in the NPPES registry for John Holttum is (360) 464-9110.
- Is John Holttum's NPI active?
- Yes — John Holttum's NPI (1700839891) is active in the NPPES registry as of the last update on 2015-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.