Johanna D'Addario, PA-C
NPI 1992940266 · Medical Physician Assistant · New Haven, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johanna D'Addario, PA-C is a Medical Physician Assistant provider in New Haven, CT (NPI 1992940266).
Provider details
- NPI number
- 1992940266
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
161 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 | 56 | $76 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 43 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 | $164 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 67 | 18 |
| Amlodipine Besylate | 67 | 16 |
| Rosuvastatin Calcium | 65 | 18 |
| Levothyroxine Sodium | 61 | 14 |
| Estradiol | 59 | 37 |
| Hydrochlorothiazide | 42 | — |
| Atorvastatin Calcium | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-15
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Johanna D'Addario's NPI number?
- Johanna D'Addario's National Provider Identifier (NPI) is 1992940266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna D'Addario's specialty?
- Johanna D'Addario is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Johanna D'Addario located?
- Johanna D'Addario's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Johanna D'Addario's phone number?
- The practice phone number listed in the NPPES registry for Johanna D'Addario is (203) 688-2615.
- Does Johanna D'Addario accept Medicare?
- Johanna D'Addario is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johanna D'Addario's NPI active?
- Yes — Johanna D'Addario's NPI (1992940266) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.