Caitlin Klajnowski
Physician Assistant · Erie, PA
Caitlin Klajnowski is a physician assistant with a practice address in Erie, Pennsylvania, and NPI 1124402029, issued on Jul 10, 2015. Check the license (Pennsylvania MA057689, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caitlin Klajnowski
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA057689 PA
Self-reported in NPPES; status is on the state search - Practice location
- 201 State St, Erie, PA 16550
- Phone
- (814) 877-6139
- Enumerated
- Jul 10, 2015
- Record last updated
- Jun 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150723009506); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 201 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra AdamsStudent in an Organized Health Care Education/Training Program1841081197
- Joyce Adams, CRNACertified Registered Nurse Anesthetist1134148620
- Samra Ahmad, DOEmergency Medicine Physician1669365151
- Patricia Albaugh, RN-CRNFARegistered Nurse First Assistant1710029111
- John Albert, MDAnesthesiology Physician1992754618
- Nicholas Aloi, MDStudent in an Organized Health Care Education/Training Program1326898354
Verify Caitlin Klajnowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA057689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average physician assistant in 2024
243 Medicare Part D claims for 165 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Cephalexin24 claims
- Ibuprofen21 claims
- Diclofenac Sodium20 claims
- Amoxicillin-Clavulanate Potass17 claims
- Cyclobenzaprine Hcl17 claims
- Ondansetron Odt14 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
- University OF Pittsburgh PhysiciansPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin Klajnowski among 8,020 physician assistant records in Pennsylvania
Caitlin Klajnowski 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2018 among the 5,313 with a school on file
- Record last updated2021 · 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).
230 physician assistant records list a practice address in Erie
They are 230 of the 5,083 NPPES records with a practice address in Erie, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Erie → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Celeste BeattyErie, PA 165501356763833
- Jami BurgoyneErie, PA 165501730300351
- Nicholas CameraErie, PA 165501962736405
- Yuliya Kanarskiy, MPAS, PA-CErie, PA 165501518395672
- Aaron Kleps, PAErie, PA 165501316223183
- Katie McGuireErie, PA 165501912208950
- Christina Mealy, PA-CErie, PA 165501609178508
- Myrrah PardiniErie, PA 165501366693228
Common questions
What is Caitlin Klajnowski's NPI number?
Caitlin Klajnowski's National Provider Identifier (NPI) is 1124402029, issued on Jul 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Klajnowski located?
The NPPES record lists a practice address at 201 State St, Erie, PA, 16550. Phone: (814) 877-6139. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Klajnowski's license?
NPPES lists Pennsylvania license number MA057689, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Caitlin Klajnowski prescribe under Medicare Part D?
In 2024, Caitlin Klajnowski had 243 Medicare Part D claims for 165 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.