Helena Grabo, M.D.
NPI 1427341668 · Internal Medicine Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helena Grabo, M.D. is a Internal Medicine Physician provider in Waterbury, CT (NPI 1427341668).
Provider details
- NPI number
- 1427341668
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 053197 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,557 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 663 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 386 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 280 | $16 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 240 | $28 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 230 | $143 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 307 | 87 |
| Losartan Potassium | 160 | 46 |
| Levothyroxine Sodium | 156 | 44 |
| Lisinopril | 146 | 42 |
| Rosuvastatin Calcium | 145 | 46 |
| Amlodipine Besylate | 120 | 35 |
| Fluoxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-20
- Last updated
- 2014-09-03
Frequently asked questions
- What is Helena Grabo's NPI number?
- Helena Grabo's National Provider Identifier (NPI) is 1427341668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helena Grabo's specialty?
- Helena Grabo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Helena Grabo located?
- Helena Grabo's practice location on file with NPPES is 160 Robbins St, Waterbury, CT 06708-2652.
- What is Helena Grabo's phone number?
- The practice phone number listed in the NPPES registry for Helena Grabo is (203) 573-7284.
- Does Helena Grabo accept Medicare?
- Helena Grabo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helena Grabo's NPI active?
- Yes — Helena Grabo's NPI (1427341668) is active in the NPPES registry as of the last update on 2014-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.