Doctor profile · Federal record

Dr. Katie Stemmerich, PA-C

Physician Assistant · Grove City, PA

  • NPI 1538500319
  • Accepts Medicare
  • MIPS 92.5 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
420 Hillcrest Ave
Grove City, PA 161271708
(724) 458-4950
fax (724) 458-4822
Additional location
635 W Main St
Grove City, PA 161271156
(724) 458-8044
Mailing address
4 Allegheny Ctr Fl 7
Pittsburgh, PA 152125227

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
August 1, 2025
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Pennsylvania #MA056176

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538500319. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
259
Distinct HCPCS
7
Medicare allowed
$23,639
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 152 108 $103
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 22 22 $105
G0008 Administration of influenza virus vaccine 21 21 $29
81002 Urinalysis, manual test 17 15 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 17 17 $72
99495 Transitional care management services for problem of at least moderate complexity 16 14 $165
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 14 14 $76

In context: peer comparison

Among 5 peers in this city , average services per provider: 76. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,033
Transactions
52
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 14 $273.18
Lilly USA, LLC 15 $269.03
GlaxoSmithKline, LLC. 5 $112.68
SHIELD THERAPEUTICS INC 3 $78.73
Otsuka America Pharmaceutical, Inc. 2 $37.69
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $34.83
AstraZeneca Pharmaceuticals LP 2 $30.34
Exact Sciences Corporation 1 $30.02
Amgen Inc. 2 $29.32
Mylan Specialty L.P. 1 $24.63
Xeris Pharmaceuticals, Inc. 1 $23.63
Abbott Laboratories 1 $23.31
Medtronic, Inc. 1 $23.23
ABBVIE INC. 1 $23.13
Bayer Healthcare Pharmaceuticals Inc. 1 $18.88

By nature of payment

Food and Beverage
$1,033

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
846
Patients
508
Total drug cost
$8,605
Drug Type Claims Patients Total cost
Prednisone Generic 83 73 $193
Gabapentin Generic 76 32 $980
Fluticasone Propionate Generic 72 54 $814
Lisinopril Generic 66 39 $509
Levothyroxine Sodium Generic 65 25 $933
Furosemide Generic 64 33 $268
Doxycycline Hyclate Generic 61 53 $740
Losartan Potassium Generic 54 29 $644
Tramadol Hcl Generic 51 28 $233
Pantoprazole Sodium Generic 49 25 $648

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katie Stemmerich's medical specialty?
Dr. Katie Stemmerich practices Physician Assistant in Grove City, PA.
Where does Dr. Katie Stemmerich practice?
Dr. Katie Stemmerich practices at 420 Hillcrest Ave, Grove City, PA 161271708. Office phone: 7244584950.
What is Dr. Katie Stemmerich's NPI?
Dr. Katie Stemmerich's National Provider Identifier (NPI) is 1538500319, issued by NPPES.
Does Dr. Katie Stemmerich accept Medicare assignment?
Yes. Dr. Katie Stemmerich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katie Stemmerich commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.