NPPES file of Aug 9, 2026

Kathryn Ann Plankenhorn, PA-C

Medical Physician Assistant · Williamsport, PA

Kathryn Ann Plankenhorn, PA-C is a medical physician assistant with a practice address in Williamsport, Pennsylvania, and NPI 1447030127, issued on Oct 2, 2023. Check the license (Pennsylvania MA064992, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447030127
Name
Kathryn Ann Plankenhorn
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
MA064992 PA
Self-reported in NPPES; status is on the state search
Practice location
175 Pine St Ste 200, Williamsport, PA 17701
Phone
(570) 326-2447
Enumerated
Oct 2, 2023
Record last updated
Jan 25, 2024
Fax
(570) 326-1247
Medicare enrollment
Enrolled (PECOS I20231107001148); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 175 Pine St Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Chestnut, PA-CPhysician Assistant1538610696
  2. Nancy Grauso - Eby, D.O.Pediatrics Physician1811979875
  3. David Lopatofsky, MDFamily Medicine Physician1487617155
  4. Mark OdorizziPediatrics Physician1245231711
  5. Jessica Osman, DOPediatrics Physician1912164286
  6. Stephanie Paulhamus, PA-CPhysician Assistant1154830305

Verify Kathryn Ann Plankenhorn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MA064992
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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12% more Medicare Part D claims than the average medical physician assistant in 2024

1,287 Medicare Part D claims for 198 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Kathryn Plankenhorn1,287
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium80 claims
  2. Gabapentin56 claims
  3. Levothyroxine Sodium49 claims
  4. Lorazepam47 claims
  5. Lisinopril45 claims
  6. Rosuvastatin Calcium40 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.

Industry payments in 2024: $16.33

1 payment: food and beverage; the largest payer was Amgen Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathryn Plankenhorn$16.33
  2. Specialty average$1,055.00

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

  1. Susquehanna Physician ServicesWilliamsport, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kathryn Ann Plankenhorn among 3,897 medical physician assistant records in Pennsylvania

Kathryn Ann Plankenhorn, PA-C is one of 3,897 medical 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 2023, is newer than 87% of them.

  • NPI issued2023 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2023 · median 2015 among the 2,467 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 363AM0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 medical physician assistant records list a practice address in Williamsport

They are 16 of the 1,371 NPPES records with a practice address in Williamsport, and 3,897 medical physician assistant records in Pennsylvania.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Joshua Bower, PA-CWilliamsport, PA 177011609112689
  2. Megan ColvinWilliamsport, PA 177011326457623
  3. Kirsten Eldred, PA-CWilliamsport, PA 177011588650857
  4. Debra Gramley, PA-CWilliamsport, PA 177011932353802
  5. Christine Kessler, PA-CWilliamsport, PA 177011376096784
  6. Ashley Knight, PA-CWilliamsport, PA 177011396134532
  7. Robin KrikorianWilliamsport, PA 177011992006712
  8. Robert Mayshock, PA-CWilliamsport, PA 177011295005429

Common questions

What is Kathryn Ann Plankenhorn, PA-C's NPI number?

Kathryn Ann Plankenhorn, PA-C's National Provider Identifier (NPI) is 1447030127, issued on Oct 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Ann Plankenhorn, PA-C located?

The NPPES record lists a practice address at 175 Pine St Ste 200, Williamsport, PA, 17701. Phone: (570) 326-2447. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Ann Plankenhorn, PA-C's license?

NPPES lists Pennsylvania license number MA064992, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Kathryn Ann Plankenhorn, PA-C prescribe under Medicare Part D?

In 2024, Kathryn Ann Plankenhorn, PA-C had 1,287 Medicare Part D claims for 198 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.