NPPES file of Aug 9, 2026

Alexander V. Mezentsev, PA-C

Physician Assistant · Muncy, PA

Alexander V. Mezentsev, PA-C is a physician assistant with a practice address in Muncy, Pennsylvania, and NPI 1780988766, issued on Jan 5, 2011. Check the license (Pennsylvania MA054663, 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
1780988766
Name
Alexander V. Mezentsev
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
MA054663 PA
Self-reported in NPPES; status is on the state search
Practice location
255 Route 220 Hwy, Muncy, PA 17756
Phone
(800) 230-4565
Enumerated
Jan 5, 2011
Record last updated
Mar 28, 2025
Medicare enrollment
Enrolled (PECOS I20110311000258); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 255 Route 220 Hwy

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

  1. Lacey BlauserStudent in an Organized Health Care Education/Training Program1467255711
  2. Nathaniel Eldredge, M.D.Cardiovascular Disease Physician1881038073
  3. Monique Freer, PA-CMedical Physician Assistant1902626617
  4. Jennifer Heikkinen, PHARMD, BCACPPharmacotherapy Pharmacist1861913287
  5. Jacob HerronPhysician Assistant1902549819
  6. Kaitlyn Hill, PA-CPhysician Assistant1104461250

Verify Alexander V. Mezentsev 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 MA054663
    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
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11.2 times the Medicare Part D claims of the average physician assistant in 2024

9,323 Medicare Part D claims for 805 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 476 claims were for opioids.

  1. Alexander Mezentsev9,323
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium479 claims
  2. Levothyroxine Sodium388 claims
  3. Lisinopril383 claims
  4. Gabapentin337 claims
  5. Omeprazole313 claims
  6. Amlodipine Besylate253 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 2 group practices

  1. Geisinger-HM Joint Venture LLCMontoursville, PA
  2. Phoenix Rehabilitation And Health Services IncCranberry Twp, PA

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

Alexander V. Mezentsev among 8,020 physician assistant records in Pennsylvania

Alexander V. Mezentsev, PA-C 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 2011, is newer than 27% of them.

  • NPI issued2011 · 27% of these records are older, 69% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2010 · median 2018 among the 5,313 with a school on file
  • Record last updated2025 · 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).

16 physician assistant records list a practice address in Muncy

They are 16 of the 159 NPPES records with a practice address in Muncy, and 8,020 physician assistant records in Pennsylvania.

The 8 physician assistant records with the nearest ZIP codes

  1. Tiffany Beinlich, PA-CMuncy, PA 177561790456093
  2. Katherine Dent, PA-CMuncy, PA 177561700505211
  3. Bethany Engel, PA-CMuncy, PA 177561629377015
  4. Logan Henry, PA-CMuncy, PA 177561609545177
  5. Jacob HerronMuncy, PA 177561902549819
  6. Kaitlyn Hill, PA-CMuncy, PA 177561104461250
  7. Lisa KoropchakMuncy, PA 177561366438699
  8. Paula Miller, PACMuncy, PA 177561891797791

Common questions

What is Alexander V. Mezentsev, PA-C's NPI number?

Alexander V. Mezentsev, PA-C's National Provider Identifier (NPI) is 1780988766, issued on Jan 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Alexander V. Mezentsev, PA-C located?

The NPPES record lists a practice address at 255 Route 220 Hwy, Muncy, PA, 17756. Phone: (800) 230-4565. Providers update this record themselves, so call before visiting.

How can I verify Alexander V. Mezentsev, PA-C's license?

NPPES lists Pennsylvania license number MA054663, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Alexander V. Mezentsev, PA-C prescribe under Medicare Part D?

In 2024, Alexander V. Mezentsev, PA-C had 9,323 Medicare Part D claims for 805 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.