Doctor profile · Federal record

Dr. Mario Diaz, PA-C

Physician Assistant · Student in an Organized Health Care Education/Training Program · Patchogue, NY

  • NPI 1093475246
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Hospital RD
Patchogue, NY 117724870
(631) 575-9591
Mailing address
20 Highland RD
Brentwood, NY 117171609

Credentials & registration

NPPES · NUCC
NPI registered
December 2021 — 5 yrs on file
Profile last updated
January 17, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #027841

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093475246. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
176
Distinct HCPCS
7
Medicare allowed
$24,457
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 43 42 $119
99238 Hospital discharge day management, 30 minutes or less 33 33 $79
99285 Emergency department visit with high level of medical decision making 32 32 $174
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 24 $169
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $128
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 15 15 $202
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes 12 12 $155

In context: peer comparison

Among 14 peers in Patchogue Physician Assistant, average services per provider: 81. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$59
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $58.92

By nature of payment

Food and Beverage
$59

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
49
Total drug cost
$145
Drug Type Claims Patients Total cost
Methocarbamol Generic 18 18 $68
Oxycodone Hcl Generic 18 18 $39
Prednisone Generic 15 13 $38

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mario Diaz's medical specialty?
Dr. Mario Diaz practices Physician Assistant in Patchogue, NY.
Where does Dr. Mario Diaz practice?
Dr. Mario Diaz practices at 101 Hospital RD, Patchogue, NY 117724870. Office phone: 6315759591.
What is Dr. Mario Diaz's NPI?
Dr. Mario Diaz's National Provider Identifier (NPI) is 1093475246, issued by NPPES.
Does Dr. Mario Diaz accept Medicare assignment?
Yes. Dr. Mario Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mario Diaz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Hospital discharge day management (HCPCS 99238); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.