Deanna M. Pieczynski, AGPCNP
Adult Health Nurse Practitioner · Williamsville, NY
Deanna M. Pieczynski, AGPCNP is an adult health nurse practitioner with a practice address in Williamsville, New York, and NPI 1578023172, issued on Mar 21, 2019. Check the license (New York 309099, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Deanna M. Pieczynski
- Credential
- AGPCNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 309099 NY
Self-reported in NPPES; status is on the state search - Practice location
- 295 Essjay RD, Williamsville, NY 14221
- Phone
- (716) 630-2639
- Enumerated
- Mar 21, 2019
- Record last updated
- Mar 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190430002196); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 295 Essjay RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Renee Andreeff, PHYSICIAN ASSISTANTPhysician Assistant1063567444
- Melissa Apa, PHARMDPharmacist1922383447
- Bashir Attuwaybi, M.D.Colon & Rectal Surgery Physician1578791992
- Tracy Bauer, PAPhysician Assistant1629036207
- Nicole BlessPhysician Assistant1245707538
- Alicia Bommersbach, PHYSICIAN ASSISTANTMedical Physician Assistant1245244516
Verify Deanna M. Pieczynski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 309099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.3 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
8,039 Medicare Part D claims for 977 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 203 claims were for opioids.
Most prescribed
- Atorvastatin Calcium459 claims
- Levothyroxine Sodium412 claims
- Lisinopril359 claims
- Rosuvastatin Calcium318 claims
- Metoprolol Succinate297 claims
- Amlodipine Besylate276 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
- Buffalo Medical Group, P.C.Williamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deanna M. Pieczynski among 6,028 adult health nurse practitioner records in New York
Deanna M. Pieczynski, AGPCNP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 70% of them.
- NPI issued2019 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2019 · median 2016 among the 2,678 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 adult health nurse practitioner records list a practice address in Williamsville
They are 61 of the 3,530 NPPES records with a practice address in Williamsville, and 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in Williamsville → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Andrea Bauer, N.P.Williamsville, NY 142211821095878
- Rita Colicchia, NURSE PRACTITIONERWilliamsville, NY 142211942267885
- Bonnie Dugan, ANPCWilliamsville, NY 142211366481657
- Lisa Durandetto, NPWilliamsville, NY 142211366408775
- Debbra Hadden, ANPWilliamsville, NY 142211356388722
- Patrice Hart-Barber, ANP-CWilliamsville, NY 142211205807450
- Karen Kosar, NURSE PRACTITIONERWilliamsville, NY 142211992712392
- Ann Lillis, ANPWilliamsville, NY 142211609852607
Common questions
What is Deanna M. Pieczynski, AGPCNP's NPI number?
Deanna M. Pieczynski, AGPCNP's National Provider Identifier (NPI) is 1578023172, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Deanna M. Pieczynski, AGPCNP located?
The NPPES record lists a practice address at 295 Essjay RD, Williamsville, NY, 14221. Phone: (716) 630-2639. Providers update this record themselves, so call before visiting.
How can I verify Deanna M. Pieczynski, AGPCNP's license?
NPPES lists New York license number 309099, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Deanna M. Pieczynski, AGPCNP prescribe under Medicare Part D?
In 2024, Deanna M. Pieczynski, AGPCNP had 8,039 Medicare Part D claims for 977 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.