Sara Klein, PA-C
Physician Assistant · O Fallon, MO
Sara Klein, PA-C is a physician assistant with a practice address in O Fallon, Missouri, and NPI 1689120776, issued on Aug 29, 2016. Check the license (Missouri 2021014556, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sara Klein
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2021014556 MO
Self-reported in NPPES; status is on the state search - Practice location
- 300 Winding Woods Dr Ste 222, O Fallon, MO 63366
- Phone
- (636) 978-8600
- Enumerated
- Aug 29, 2016
- Record last updated
- Jul 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20210820002800); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →
Also registered at 300 Winding Woods Dr Ste 222
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Wittkoetter, AGNP-CPrimary Care Nurse Practitioner1568172260
Verify Sara Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2021014556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average physician assistant in 2024
1,012 Medicare Part D claims for 281 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium51 claims
- Lisinopril44 claims
- Rosuvastatin Calcium43 claims
- Prednisone34 claims
- Levothyroxine Sodium30 claims
- Methylprednisolone30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $779.57
43 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic East CommunitiesO Fallon, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Klein among 1,790 physician assistant records in Missouri
Sara Klein, PA-C 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 2016, is newer than 39% of them.
- NPI issued2016 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2016 · median 2019 among the 1,250 with a school on file
- Record last updated2024 · 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).
19 physician assistant records list a practice address in O Fallon
They are 19 of the 1,225 NPPES records with a practice address in O Fallon, and 1,790 physician assistant records in Missouri.
All 1,790 in Missouri → Every provider in O Fallon → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Riley Busch, PA-CO Fallon, MO 633661013775238
- Alexis Knisley, PA-CLake Saint Louis, MO 633671306654405
- Marisa Lynch, PA-CLake St Louis, MO 633671699552547
- Madison SantoLake St Louis, MO 633671447122403
- Kayli Schou, PA-CLake Saint Louis, MO 633671649835455
- Taylor Spruell, PALake St Louis, MO 633671558079186
- Krista Carter, PA-CO Fallon, MO 633681043622277
- Natasha Fresenburg, PA-CO Fallon, MO 633681780020495
Common questions
What is Sara Klein, PA-C's NPI number?
Sara Klein, PA-C's National Provider Identifier (NPI) is 1689120776, issued on Aug 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Sara Klein, PA-C located?
The NPPES record lists a practice address at 300 Winding Woods Dr Ste 222, O Fallon, MO, 63366. Phone: (636) 978-8600. Providers update this record themselves, so call before visiting.
How can I verify Sara Klein, PA-C's license?
NPPES lists Missouri license number 2021014556, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Sara Klein, PA-C prescribe under Medicare Part D?
In 2024, Sara Klein, PA-C had 1,012 Medicare Part D claims for 281 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.