Peter George Hasapis, MD
Internal Medicine Physician · New Canaan, CT
Peter George Hasapis, MD is an internal medicine physician with a practice address in New Canaan, Connecticut, and NPI 1720154354, issued on Nov 27, 2006. Check the license (Connecticut 038777, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter George Hasapis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 038777 CT
Self-reported in NPPES; status is on the state search - Practice location
- 173 East Avenue, New Canaan, CT 06840
- Phone
- (203) 972-4255
- Enumerated
- Nov 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 972-6345
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 173 East Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Flynn, MDPediatrics Physician1679640460
- Eva Grunberg, MDPediatrics Physician1740357540
- Alyssa Newman, MDPediatrics Physician1790852598
- Harrison Pierce, MDPediatrics Physician1801963756
- Peter Shutkin, MDInternal Medicine Physician1598830234
- James Slater, MDInternal Medicine Physician1588713879
Verify Peter George Hasapis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 038777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,367 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium173 claims
- Losartan Potassium108 claims
- Amlodipine Besylate99 claims
- Eliquis84 claims
- Levothyroxine Sodium84 claims
- Pantoprazole Sodium62 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: $374.54
17 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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.
Peter George Hasapis among 2,623 internal medicine physician records in Connecticut
Peter George Hasapis, 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).
13 internal medicine physician records list a practice address in New Canaan
They are 13 of the 276 NPPES records with a practice address in New Canaan, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in New Canaan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deena Ebright, M.D.New Canaan, CT 068401346202371
- Seymour Fein, M.D.New Canaan, CT 068401598886723
- Yesha Gandhi, M.D.New Canaan, CT 068401457887200
- Kirsten Hohmann, MDNew Canaan, CT 068401912017989
- Denise Lautenbach, MDNew Canaan, CT 068401174620694
- Alicia Masucci, MDNew Canaan, CT 068401992333777
- Rebecca ScherrNew Canaan, CT 068401841816360
- Peter Shutkin, MDNew Canaan, CT 068401598830234
Common questions
What is Peter George Hasapis, MD's NPI number?
Peter George Hasapis, MD's National Provider Identifier (NPI) is 1720154354, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter George Hasapis, MD located?
The NPPES record lists a practice address at 173 East Avenue, New Canaan, CT, 06840. Phone: (203) 972-4255. Providers update this record themselves, so call before visiting.
How can I verify Peter George Hasapis, MD's license?
NPPES lists Connecticut license number 038777, 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 Peter George Hasapis, MD prescribe under Medicare Part D?
In 2024, Peter George Hasapis, MD had 2,367 Medicare Part D claims for 121 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.