Haydan Ommen, PA
NPI 1699525121 · Physician Assistant · Chesterfield, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Haydan Ommen, PA is a Physician Assistant provider in Chesterfield, MO (NPI 1699525121).
Provider details
- NPI number
- 1699525121
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 2024006376 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-03-26
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Haydan Ommen's NPI number?
- Haydan Ommen's National Provider Identifier (NPI) is 1699525121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haydan Ommen's specialty?
- Haydan Ommen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Haydan Ommen located?
- Haydan Ommen's practice location on file with NPPES is 14825 N Outer 40 Rd Ste 200, Chesterfield, MO 63017-2152.
- What is Haydan Ommen's phone number?
- The practice phone number listed in the NPPES registry for Haydan Ommen is (314) 336-2555.
- Does Haydan Ommen accept Medicare?
- Haydan Ommen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Haydan Ommen's NPI active?
- Yes — Haydan Ommen's NPI (1699525121) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.