Provider Profile
Mary Alessi, PA-C
Unclaimed ProfileAbout Mary Alessi
Listed in the NPI registry as a physician assistant, Mary Alessi, PA-C practices in Irvine, CA. According to Medicare claims data, Mary cared for 432 Medicare patients across 1,027 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, ultrasound scan of chest, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (949) 671-8000
- Email not available
Practice Locations
1000 FIVEPOINT
Irvine, CA 92618
7955 Westminster Blvd
Westminster, CA 92683
Procedures Most Often Billed to Medicare
1,027 services · 432 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
63 | More often than most peers in Physician Assistant |
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
27 | More often than most peers in Physician Assistant |
| Ultrasound scan of chest | Imaging | 76604 |
200 | More than most peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
565 | More than most peers in Physician Assistant |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
143 | More 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 |
29 | 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 32 related providers in 4 groups
Other physician assistants in Irvine 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration of fluid from chest cavity using imaging guidance 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Mary Alessi specialize in?
Mary Alessi is a physician assistant in Irvine, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Alessi located?
Mary Alessi is listed at 1000 Fivepoint, Irvine, CA 92618. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Alessi's phone number?
The number on file is (949) 671-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary Alessi's NPI number?
Mary Alessi's National Provider Identifier is 1962711838. 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
Where did Mary Alessi train?
Mary Alessi attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Alessi been practicing?
Mary Alessi has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Mary Alessi do most often?
According to Medicare billing data, Mary Alessi performs procedures including aspiration of fluid from chest cavity using imaging guidance; reads or performs imaging such as ultrasound scan of chest, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Alessi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Alessi. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.