Katie J. Stemmerich, PA-C
Physician Assistant · Grove City, PA
Katie J. Stemmerich, PA-C is a physician assistant with a practice address in Grove City, Pennsylvania, and NPI 1538500319, issued on Jul 9, 2013. Check the license (Pennsylvania MA056176, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katie J. Stemmerich
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA056176 PA
Self-reported in NPPES; status is on the state search - Practice location
- 420 Hillcrest Ave, Grove City, PA 16127
- Phone
- (724) 458-4950
- Enumerated
- Jul 9, 2013
- Record last updated
- Aug 1, 2025
- Fax
- (724) 458-4822
- Medicare enrollment
- Enrolled (PECOS I20151110002076); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 420 Hillcrest Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samuel CourtneyMedical Physician Assistant1982785762
- Melinda LackeyPhysician Assistant1992219562
- Anne LealiNurse Practitioner1962639971
- Leah McDowell, DOFamily Medicine Physician1316434137
- Casey Sansom, PA-CPhysician Assistant1659448215
- Edward SmithFamily Medicine Physician1376512590
Verify Katie J. Stemmerich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA056176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.6 times the Medicare Part D claims of the average physician assistant in 2024
5,468 Medicare Part D claims for 906 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 161 claims were for opioids.
Most prescribed
- Lisinopril173 claims
- Atorvastatin Calcium168 claims
- Levothyroxine Sodium166 claims
- Pantoprazole Sodium133 claims
- Ozempic126 claims
- Amlodipine Besylate123 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.
The MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,032.63
52 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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
- Allegheny ClinicPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katie J. Stemmerich among 8,020 physician assistant records in Pennsylvania
Katie J. Stemmerich, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 34% of them.
- NPI issued2013 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2018 among the 5,313 with a school on file
- Record last updated2025 · 42% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 physician assistant records list a practice address in Grove City
They are 14 of the 213 NPPES records with a practice address in Grove City, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Grove City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anna Bires, PA-CGrove City, PA 161271184019317
- Grace Diehl, PA-CGrove City, PA 161271649365024
- Emily FaulconbridgeGrove City, PA 161271669728184
- Brian Feronti, PA-CGrove City, PA 161271649148354
- Brittany Hamilton, PA-CGrove City, PA 161271982045704
- Andrea Jackson, PA-CGrove City, PA 161271558864132
- Gloria Kroh, PA-CGrove City, PA 161271114737632
- Melinda LackeyGrove City, PA 161271992219562
Common questions
What is Katie J. Stemmerich, PA-C's NPI number?
Katie J. Stemmerich, PA-C's National Provider Identifier (NPI) is 1538500319, issued on Jul 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katie J. Stemmerich, PA-C located?
The NPPES record lists a practice address at 420 Hillcrest Ave, Grove City, PA, 16127. Phone: (724) 458-4950. Providers update this record themselves, so call before visiting.
How can I verify Katie J. Stemmerich, PA-C's license?
NPPES lists Pennsylvania license number MA056176, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Katie J. Stemmerich, PA-C prescribe under Medicare Part D?
In 2024, Katie J. Stemmerich, PA-C had 5,468 Medicare Part D claims for 906 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Katie J. Stemmerich, PA-C's MIPS final score?
The 2023 MIPS final score is 93.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.