Grazyna Kaszycki, MD
Internal Medicine Physician · Southbury, CT
Grazyna Kaszycki, MD is an internal medicine physician with a practice address in Southbury, Connecticut, and NPI 1710900055, issued on Jul 26, 2006. Check the license (Connecticut 37795, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Grazyna Kaszycki
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37795 CT
Self-reported in NPPES; status is on the state search - Practice location
- State Route 172, Southbury, CT 06488
- Phone
- (203) 586-2000
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Verify Grazyna Kaszycki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 37795Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
5,496 Medicare Part D claims for 91 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Atorvastatin Calcium285 claims
- Omeprazole235 claims
- Levothyroxine Sodium230 claims
- Pantoprazole Sodium206 claims
- Metoprolol Succinate147 claims
- Carbamazepine134 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: $19.65
1 payment: food and beverage; the largest payer was Neurelis, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Grazyna Kaszycki among 2,623 internal medicine physician records in Connecticut
Grazyna Kaszycki, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Southbury
They are 19 of the 520 NPPES records with a practice address in Southbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Southbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Florentino Abueg, MDSouthbury, CT 064881649372558
- Mary AquaviaSouthbury, CT 064881982791547
- Richard Biondi, M.D.Southbury, CT 064881619931623
- Jane HunterSouthbury, CT 064881275621625
- Dileema KalansuriyaSouthbury, CT 064881972785608
- Mary Miller, MDSouthbury, CT 064881063437820
- Jonathan Mosovich, M.D.Southbury, CT 064881851578660
- Carolyn O'Connor, MDSouthbury, CT 064881851328413
Common questions
What is Grazyna Kaszycki, MD's NPI number?
Grazyna Kaszycki, MD's National Provider Identifier (NPI) is 1710900055, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grazyna Kaszycki, MD located?
The NPPES record lists a practice address at State Route 172, Southbury, CT, 06488. Phone: (203) 586-2000. Providers update this record themselves, so call before visiting.
How can I verify Grazyna Kaszycki, MD's license?
NPPES lists Connecticut license number 37795, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grazyna Kaszycki, MD prescribe under Medicare Part D?
In 2024, Grazyna Kaszycki, MD had 5,496 Medicare Part D claims for 91 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.