Helena Grabo, M.D.
Internal Medicine Physician · Waterbury, CT
Helena Grabo, M.D. is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1427341668, issued on May 20, 2011. Check the license (Connecticut 053197, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Helena Grabo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 053197 CT
Self-reported in NPPES; status is on the state search - Practice location
- 160 Robbins St, Waterbury, CT 06708
- Phone
- (203) 573-7284
- Enumerated
- May 20, 2011
- Record last updated
- Sep 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (203) 573-7031
- Medicare enrollment
- Enrolled (PECOS I20140828000172); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2011
- 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 160 Robbins St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dina Albano, D.M.D.Dentist1235264920
- Akua Amoah, MD, MPHStudent in an Organized Health Care Education/Training Program1104610245
- Ibraheim Ayub, DOStudent in an Organized Health Care Education/Training Program1659121598
- Elizabeth Bailey Geib, MDPediatrics Physician1063497535
- Ira Berg, M.D.Pediatrics Physician1225146673
- Nomita Bhawal, M.D.Anesthesiology Physician1558555136
Verify Helena Grabo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 053197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,787 Medicare Part D claims for 435 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium307 claims
- Losartan Potassium160 claims
- Levothyroxine Sodium156 claims
- Lisinopril146 claims
- Rosuvastatin Calcium145 claims
- Amlodipine Besylate120 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.
The MIPS final score for 2023 (Medicare payment program): 93.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Avon Medical Professionals, LLCAvon, CT
- Mclean FundSimsbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helena Grabo among 2,623 internal medicine physician records in Connecticut
Helena Grabo, 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 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2004 among the 1,646 with a school on file
- Record last updated2014 · 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).
119 internal medicine physician records list a practice address in Waterbury
They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Waterbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ionut Anton, MDWaterbury, CT 067081770550238
- Kevin Carr, MDWaterbury, CT 067081356316061
- Deborah Casey, MDWaterbury, CT 067081740253632
- Shiven Chabria, MDWaterbury, CT 067081932172830
- Dragoslav Drca, M.D.Waterbury, CT 067081700820008
- Yvette Fernandez, MDWaterbury, CT 067081114968302
- Thomas Gniadek, M.D.Waterbury, CT 067081972591931
- Fausto Lanao, MDWaterbury, CT 067081801844675
Common questions
What is Helena Grabo, M.D.'s NPI number?
Helena Grabo, M.D.'s National Provider Identifier (NPI) is 1427341668, issued on May 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Helena Grabo, M.D. located?
The NPPES record lists a practice address at 160 Robbins St, Waterbury, CT, 06708. Phone: (203) 573-7284. Providers update this record themselves, so call before visiting.
How can I verify Helena Grabo, M.D.'s license?
NPPES lists Connecticut license number 053197, 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 Helena Grabo, M.D. prescribe under Medicare Part D?
In 2024, Helena Grabo, M.D. had 2,787 Medicare Part D claims for 435 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Helena Grabo, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.