Anthony Chieffalo, M.D.
Internal Medicine Physician · S Woodstock, CT
Anthony Chieffalo, M.D. is an internal medicine physician with a practice address in S Woodstock, Connecticut, and NPI 1336155860, issued on Aug 1, 2006. Check the license (Connecticut 028895, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Anthony Chieffalo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 028895 CT
Self-reported in NPPES; status is on the state search - Practice location
- 168 Rte. 171, S Woodstock, CT 06267
- Phone
- (860) 928-7775
- Enumerated
- Aug 1, 2006
- Record last updated
- Mar 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (860) 928-1397
- Medicaid ID
- 1288952 CT
- Medicare enrollment
- Enrolled (PECOS I20070924000070); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 168 Rte. 171
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gail Dickinson, M.D.Internal Medicine Physician1336155118
Verify Anthony Chieffalo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
375 Medicare Part D claims for 177 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Prednisone29 claims
- Cefuroxime23 claims
- Metoprolol Succinate16 claims
- Atorvastatin Calcium14 claims
- Ciprofloxacin Hcl14 claims
- Furosemide14 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
- Day Kimball Healthcare, Inc.Putnam, CT
- Day Kimball Medical Group IncCanterbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony Chieffalo among 2,623 internal medicine physician records in Connecticut
Anthony Chieffalo, M.D. 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 fileYes · 63% of these records are
- Graduated1984 · median 2004 among the 1,646 with a school on file
- Record last updated2011 · 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).
Internal Medicine Physician providers in Connecticut
There are 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gail Dickinson, M.D.S Woodstock, CT 062671336155118
- Joseph Kozachek, MDStorrs, CT 062681467459792
- Mahboob Ashraf, MDPutnam, CT 062601467553248
- Joseph Botta, MDPutnam, CT 062601831105360
- Hemant Gupta, M.D.Putnam, CT 062601588763403
- Ronald Klare, MDPutnam, CT 062601760498539
- Ilya Noginskiy, MDPutnam, CT 062601831658699
- Daniel O'Neill, M.D.Putnam, CT 062601972578508
Common questions
What is Anthony Chieffalo, M.D.'s NPI number?
Anthony Chieffalo, M.D.'s National Provider Identifier (NPI) is 1336155860, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Chieffalo, M.D. located?
The NPPES record lists a practice address at 168 Rte. 171, S Woodstock, CT, 06267. Phone: (860) 928-7775. Providers update this record themselves, so call before visiting.
How can I verify Anthony Chieffalo, M.D.'s license?
NPPES lists Connecticut license number 028895, 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 Anthony Chieffalo, M.D. prescribe under Medicare Part D?
In 2024, Anthony Chieffalo, M.D. had 375 Medicare Part D claims for 177 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.