David Christopher Greczek, PA-C
Physician Assistant · Brooklyn, NY
David Christopher Greczek, PA-C is a physician assistant with a practice address in Brooklyn, New York, and NPI 1649990060, issued on Aug 29, 2022. Check the license (New York 028743, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Christopher Greczek
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 028743 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Poly PL, Brooklyn, NY 11209
- Phone
- (718) 836-6600
- Enumerated
- Aug 29, 2022
- Record last updated
- Aug 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20231116000148); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 800 Poly PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Christopher Greczek 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 028743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average physician assistant in 2024
561 Medicare Part D claims for 334 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Tamsulosin Hcl119 claims
- Cefuroxime60 claims
- Finasteride55 claims
- Alfuzosin Hcl Er50 claims
- Oxybutynin Chloride Er43 claims
- Ciprofloxacin Hcl38 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: $123.23
6 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- North Shore Hematology Oncology Associates PCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Christopher Greczek among 15,555 physician assistant records in New York
David Christopher Greczek, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2022 · median 2018 among the 8,158 with a school on file
- Record last updated2022 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,279 physician assistant records list a practice address in Brooklyn
They are 1,279 of the 64,057 NPPES records with a practice address in Brooklyn, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Brooklyn → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jessica Chong, PHYSICIAN ASSISTANTBrooklyn, NY 112091881026714
- Grace Cutugno, RPA-CBrooklyn, NY 112091326228123
- Renata Dellapasqua, P.A.Brooklyn, NY 112091568624518
- Simon Duong, RPA-CBrooklyn, NY 112091891046918
- Arthur Haughey, P.A.Brooklyn, NY 112091174863443
- Vitaly Kramer, PA-CBrooklyn, NY 112091649672650
- Mario Leon, PHYSICIAN ASSISTANTBrooklyn, NY 112091508074170
- Jacqueline Levine, PABrooklyn, NY 112091619267382
Common questions
What is David Christopher Greczek, PA-C's NPI number?
David Christopher Greczek, PA-C's National Provider Identifier (NPI) is 1649990060, issued on Aug 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is David Christopher Greczek, PA-C located?
The NPPES record lists a practice address at 800 Poly PL, Brooklyn, NY, 11209. Phone: (718) 836-6600. Providers update this record themselves, so call before visiting.
How can I verify David Christopher Greczek, PA-C's license?
NPPES lists New York license number 028743, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does David Christopher Greczek, PA-C prescribe under Medicare Part D?
In 2024, David Christopher Greczek, PA-C had 561 Medicare Part D claims for 334 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.