Katie Stemmerich, PA-C
NPI 1538500319 · Physician Assistant · Grove City, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Stemmerich, PA-C is a Physician Assistant provider in Grove City, PA (NPI 1538500319).
Provider details
- NPI number
- 1538500319
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- MA056176 (PA)
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 tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
453 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 70 | $104 |
| Administration of Influenza Virus VaccineG0008 | 33 | $30 |
| Admn Sarscov2 Vacc 1 Dose90480 | 18 | $39 |
| Urinalysis, Manual Test81002 | 16 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 173 | 73 |
| Atorvastatin Calcium | 168 | 72 |
| Levothyroxine Sodium | 166 | 48 |
| Pantoprazole Sodium | 133 | 45 |
| Semaglutidebrand: Ozempic | 126 | 34 |
| Amlodipine Besylate | 123 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,033 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 635 W Main StGrove City, PA 16127-1156Phone: (724) 458-8044
Registry dates
- Enumerated
- 2013-07-09
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Katie Stemmerich's NPI number?
- Katie Stemmerich's National Provider Identifier (NPI) is 1538500319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Stemmerich's specialty?
- Katie Stemmerich is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Stemmerich located?
- Katie Stemmerich's practice location on file with NPPES is 420 Hillcrest Ave, Grove City, PA 16127-1708.
- What is Katie Stemmerich's phone number?
- The practice phone number listed in the NPPES registry for Katie Stemmerich is (724) 458-4950.
- Does Katie Stemmerich accept Medicare?
- Katie Stemmerich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Stemmerich's NPI active?
- Yes — Katie Stemmerich's NPI (1538500319) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.