Haydan Elizabeth Ommen, PA
Physician Assistant · Chesterfield, MO
Haydan Elizabeth Ommen, PA is a physician assistant with a practice address in Chesterfield, Missouri, and NPI 1699525121, issued on Mar 26, 2024. Check the license (Missouri 2024006376, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Haydan Elizabeth Ommen
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2024006376 MO
Self-reported in NPPES; status is on the state search - Practice location
- 14825 N Outer 40 RD Ste 200, Chesterfield, MO 63017
- Phone
- (314) 336-2555
- Enumerated
- Mar 26, 2024
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20241029003069); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 14825 N Outer 40 RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahesh Bagwe, M.D.Orthopaedic Surgery Physician1437109550
- Amy McElyea, STSurgical Technologist1144937194
Verify Haydan Elizabeth Ommen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2024006376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Mercy Clinic Surgical Specialists LLCSaint Louis, MO
- Orthopedic Center OF St Louis Img LLCChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Haydan Elizabeth Ommen among 1,790 physician assistant records in Missouri
Haydan Elizabeth Ommen, PA is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2023 · median 2019 among the 1,250 with a school on file
- Record last updated2026 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 physician assistant records list a practice address in Chesterfield
They are 43 of the 2,132 NPPES records with a practice address in Chesterfield, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in Chesterfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lizel Alvarado, PAChesterfield, MO 630171588835953
- Amy Bloomfield, PAChesterfield, MO 630171790976173
- Andrew Clark, PAChesterfield, MO 630171497008254
- Kelli Dean Riegel, PA-CChesterfield, MO 630171811295710
- Jeremy Dunbarr, PA-CChesterfield, MO 630171831191014
- Kymberly Gomez, PAChesterfield, MO 630171225068851
- Megan Hudson, PAChesterfield, MO 630171467767087
- Michael Raethka, PAChesterfield, MO 630171033109392
Common questions
What is Haydan Elizabeth Ommen, PA's NPI number?
Haydan Elizabeth Ommen, PA's National Provider Identifier (NPI) is 1699525121, issued on Mar 26, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Haydan Elizabeth Ommen, PA located?
The NPPES record lists a practice address at 14825 N Outer 40 RD Ste 200, Chesterfield, MO, 63017. Phone: (314) 336-2555. Providers update this record themselves, so call before visiting.
How can I verify Haydan Elizabeth Ommen, PA's license?
NPPES lists Missouri license number 2024006376, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.