Provider Profile
Mario A. Diaz, PA-C
Unclaimed ProfileAbout Mario Diaz
Listed in the NPI registry as a physician assistant, Mario A. Diaz, PA-C practices in Patchogue, NY. Mario is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Mario cared for 84 Medicare patients across 84 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (631) 575-9591
- Email not available
Practice Locations
101 HOSPITAL RD
Patchogue, NY 11772
Procedures Most Often Billed to Medicare
84 services · 84 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less | Procedure | 12001 |
12 | As often as other peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
44 | As often as other peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
28 |
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 26 related providers in 4 groups
Other physician assistants in Patchogue 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Mario A. Diaz?
Mario A. Diaz is a physician assistant in Patchogue, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mario A. Diaz's address?
Mario A. Diaz is listed at 101 Hospital Rd, Patchogue, NY 11772. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mario A. Diaz?
The number on file is (631) 575-9591. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mario A. Diaz's NPI number?
Mario A. Diaz's National Provider Identifier is 1093475246. 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 Mario A. Diaz train?
Mario A. Diaz attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Mario A. Diaz been practicing?
Mario A. Diaz has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mario A. Diaz perform?
According to Medicare billing data, Mario A. Diaz performs procedures including simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mario A. Diaz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mario A. Diaz. 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.