Provider Profile
Johanna L. D'Addario, PA-C
Unclaimed ProfileAbout Johanna D'addario
Listed in the NPI registry as a physician assistant, Johanna L. D'Addario, PA-C practices in New Haven, CT. Johanna is also listed as specializing in physician assistant — medical. According to Medicare claims data, Johanna cared for 121 Medicare patients across 161 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, 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', and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. NPI 1992940266 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 688-2615
- Email not available
Practice Locations
20 YORK ST
New Haven, CT 06510
Procedures Most Often Billed to Medicare
161 services · 121 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
56 | As often as other peers in Physician Assistant |
| 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' | Billing code | G2211 |
43 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
19 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 | As often as other peers in Physician Assistant |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other physician assistants in New Haven 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Johanna L. D'Addario's specialty?
Johanna L. D'Addario is a physician assistant in New Haven, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Johanna L. D'Addario?
Johanna L. D'Addario is listed at 20 York St, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Johanna L. D'Addario?
The number on file is (203) 688-2615. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Johanna L. D'Addario's NPI number?
Johanna L. D'Addario's National Provider Identifier is 1992940266. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Johanna L. D'Addario's education?
Johanna L. D'Addario attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Johanna L. D'Addario been practicing?
Johanna L. D'Addario has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Johanna L. D'Addario known for?
According to Medicare billing data, Johanna L. D'Addario the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Johanna L. D'Addario confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Johanna L. D'Addario. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.