Karlyle Genevieve Bistas, M.D.
Psychiatry Physician · Williamsport, PA
Karlyle Genevieve Bistas, M.D. is a psychiatry physician with a practice address in Williamsport, Pennsylvania, and NPI 1356917504, issued on May 28, 2021. Check the license (Pennsylvania MD487908, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Karlyle Genevieve Bistas
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD487908 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Grampian Blvd, Williamsport, PA 17701
- Phone
- (570) 326-8723
- Enumerated
- May 28, 2021
- Record last updated
- Sep 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20250820002622); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,662 in Pennsylvania → Look up another NPI →
Also registered at 1100 Grampian Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saul Arber, M.D.Radiation Oncology Physician1407800949
- Jane Atkinson, LCSWClinical Social Worker1962437640
Verify Karlyle Genevieve Bistas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD487908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average psychiatry physician in 2024
268 Medicare Part D claims for 30 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate23 claims
- Trazodone Hcl22 claims
- Mirtazapine20 claims
- Clonazepam15 claims
- Divalproex Sodium15 claims
- Haloperidol Decanoate13 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
- Susquehanna Physician ServicesWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karlyle Genevieve Bistas among 2,662 psychiatry physician records in Pennsylvania
Karlyle Genevieve Bistas, M.D. is one of 2,662 psychiatry physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 89% of them.
- NPI issued2021 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2021 · median 2003 among the 1,186 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Pennsylvania
There are 2,662 psychiatry physician records in Pennsylvania.
All 2,662 in Pennsylvania → Every provider in Williamsport → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jeremy Bennett, M.D.Williamsport, PA 177011598908840
- Teresa Bianco, MDWilliamsport, PA 177011881655942
- Terri Calvert, MDWilliamsport, PA 177011205914249
- Michael Marceau, MDWilliamsport, PA 177011770545170
- Sarah McLaughlin, DOWilliamsport, PA 177011780070029
- Christine Packard, D.O.Williamsport, PA 177011639197791
- Sagar Patel, M.D.Williamsport, PA 177011033652672
- Ronald Pope, D.O.Williamsport, PA 177011578528865
Common questions
What is Karlyle Genevieve Bistas, M.D.'s NPI number?
Karlyle Genevieve Bistas, M.D.'s National Provider Identifier (NPI) is 1356917504, issued on May 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Karlyle Genevieve Bistas, M.D. located?
The NPPES record lists a practice address at 1100 Grampian Blvd, Williamsport, PA, 17701. Phone: (570) 326-8723. Providers update this record themselves, so call before visiting.
How can I verify Karlyle Genevieve Bistas, M.D.'s license?
NPPES lists Pennsylvania license number MD487908, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karlyle Genevieve Bistas, M.D. prescribe under Medicare Part D?
In 2024, Karlyle Genevieve Bistas, M.D. had 268 Medicare Part D claims for 30 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.