John Koester, D.O.
NPI 1811978646 · Emergency Medicine Physician · Des Moines, IA
John Koester, D.O. is a Emergency Medicine Physician provider in Des Moines, IA (NPI 1811978646).
Provider details
- NPI number
- 1811978646
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 02137 (IA)
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
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)
- 3600 30th StDes Moines, IA 50310-5876Phone: (515) 699-5999Fax: (515) 699-5912
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2020-05-26
- Certified
- 2020-05-26
Frequently asked questions
- What is John Koester's NPI number?
- John Koester's National Provider Identifier (NPI) is 1811978646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Koester's specialty?
- John Koester is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Koester located?
- John Koester's practice location on file with NPPES is 1200 Pleasant St, Des Moines, IA 50309-1406.
- What is John Koester's phone number?
- The practice phone number listed in the NPPES registry for John Koester is (515) 241-6212.
- Is John Koester's NPI active?
- Yes — John Koester's NPI (1811978646) is active in the NPPES registry as of the last update on 2020-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.