Izabela Krakowiak Colasacco, D.O.
Internal Medicine Physician · Enfield, CT
Izabela Krakowiak Colasacco, D.O. is an internal medicine physician with a practice address in Enfield, Connecticut, and NPI 1972795102, issued on Aug 12, 2007. Check the license (Connecticut 46632, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Izabela Krakowiak Colasacco
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 46632 CT
254091 MA
Self-reported in NPPES; status is on the state search - Practice location
- 701 Enfield St, Enfield, CT 06082
- Phone
- (860) 741-6058
- Enumerated
- Aug 12, 2007
- Record last updated
- May 15, 2026
- Fax
- (413) 733-5860
- Medicaid ID
- 110095363/A MA
- Medicare enrollment
- Enrolled (PECOS I20081023000472); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 701 Enfield St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Bedford, M.D.Internal Medicine Physician1912965542
- Cailyn Bolduc, PA-CMedical Physician Assistant1215748355
- Peter Drennan, D.O.Internal Medicine Physician1629043625
- Patrick Gibson, PA-C, MHPMedical Physician Assistant1861406597
- Karen Krustapentus, APRN, BCNurse Practitioner1285660860
- Francis Murray, M.D.Internal Medicine Physician1528026499
Verify Izabela Krakowiak Colasacco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 46632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average internal medicine physician in 2024
5,427 Medicare Part D claims for 492 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 127 claims were for opioids.
Most prescribed
- Atorvastatin Calcium578 claims
- Levothyroxine Sodium269 claims
- Amlodipine Besylate258 claims
- Lisinopril253 claims
- Omeprazole232 claims
- Simvastatin144 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: $19.69
1 payment: food and beverage; the largest payer was Lilly USA, LLC. 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.
Bills Medicare through 2 group practices
- Baystate Medical Practices IncEnfield, CT
- Springfield Medical Associates, Inc.Enfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Izabela Krakowiak Colasacco among 2,623 internal medicine physician records in Connecticut
Izabela Krakowiak Colasacco, D.O. 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 1,646 with a school on file
- Record last updated2026 · 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).
17 internal medicine physician records list a practice address in Enfield
They are 17 of the 989 NPPES records with a practice address in Enfield, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Enfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Bedford, M.D.Enfield, CT 060821912965542
- Joseph Breton, M.DEnfield, CT 060821932206232
- Miriam Buckberg, MDEnfield, CT 060821578549010
- George Donahue, MDEnfield, CT 060821710964325
- Peter Drennan, D.O.Enfield, CT 060821629043625
- Marat Gitman, DOEnfield, CT 060821396907069
- Francis Murray, M.D.Enfield, CT 060821528026499
- Darren O'Neill, M.D.Enfield, CT 060821861434607
Common questions
What is Izabela Krakowiak Colasacco, D.O.'s NPI number?
Izabela Krakowiak Colasacco, D.O.'s National Provider Identifier (NPI) is 1972795102, issued on Aug 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Izabela Krakowiak Colasacco, D.O. located?
The NPPES record lists a practice address at 701 Enfield St, Enfield, CT, 06082. Phone: (860) 741-6058. Providers update this record themselves, so call before visiting.
How can I verify Izabela Krakowiak Colasacco, D.O.'s license?
NPPES lists Connecticut license number 46632, 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 Izabela Krakowiak Colasacco, D.O. prescribe under Medicare Part D?
In 2024, Izabela Krakowiak Colasacco, D.O. had 5,427 Medicare Part D claims for 492 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.