Mariah Ann Baier, PA-C
Physician Assistant · Sioux Falls, SD
Mariah Ann Baier, PA-C is a physician assistant with a practice address in Sioux Falls, South Dakota, and NPI 1376252635, issued on Nov 15, 2022. Check the license with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariah Ann Baier
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 2601 S Ellis RD, Sioux Falls, SD 57106
- Phone
- (605) 332-2883
- Enumerated
- Nov 15, 2022
- Record last updated
- Jan 16, 2024
- Fax
- (605) 312-9032
- Medicare enrollment
- Enrolled (PECOS I20230503001217); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 674 in South Dakota → Look up another NPI →
Also registered at 2601 S Ellis RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariah Ann Baier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average physician assistant in 2024
151 Medicare Part D claims for 122 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Cephalexin43 claims
- Doxycycline Hyclate19 claims
- Amoxicillin-Clavulanate Potass14 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.
Bills Medicare through one group practice
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariah Ann Baier among 674 physician assistant records in South Dakota
Mariah Ann Baier, PA-C is one of 674 physician assistant records with a practice address in South Dakota. 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 2022, is newer than 84% of them.
- NPI issued2022 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2022 · median 2014 among the 482 with a school on file
- Record last updated2024 · 53% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
245 physician assistant records list a practice address in Sioux Falls
They are 245 of the 6,563 NPPES records with a practice address in Sioux Falls, and 674 physician assistant records in South Dakota.
All 674 in South Dakota → Every provider in Sioux Falls → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Barbara Belkham, PASioux Falls, SD 571061982604690
- Marc Ellwein, PA-CSioux Falls, SD 571061710914478
- Caitlin Hanson, PA-CSioux Falls, SD 571061952017295
- Keeley Masterson, PA-CSioux Falls, SD 571061437934338
- Rodney Ridenour, PACSioux Falls, SD 571061689620031
- Jeanne Rud, PA-CSioux Falls, SD 571061790762425
- Melissa Alexander, PASioux Falls, SD 571071366625352
- Emily Allen, PASioux Falls, SD 571051508687427
Common questions
What is Mariah Ann Baier, PA-C's NPI number?
Mariah Ann Baier, PA-C's National Provider Identifier (NPI) is 1376252635, issued on Nov 15, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mariah Ann Baier, PA-C located?
The NPPES record lists a practice address at 2601 S Ellis RD, Sioux Falls, SD, 57106. Phone: (605) 332-2883. Providers update this record themselves, so call before visiting.
How can I verify Mariah Ann Baier, PA-C's license?
Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Mariah Ann Baier, PA-C prescribe under Medicare Part D?
In 2024, Mariah Ann Baier, PA-C had 151 Medicare Part D claims for 122 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.