Doctor profile · Federal record

Dr. Mariela Diaz, M.D.

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · San Juan, PR

  • NPI 1750673752
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10 Calle Casia
San Juan, PR 009213200
(787) 641-7582
Mailing address
Po Box 3388
Lajas, PR 006673388

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
December 10, 2014
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
Puerto Rico #18955

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750673752. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21
Distinct HCPCS
1
Medicare allowed
$1,880
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 21 12 $90

In context: peer comparison

Among 7 peers in this city , average services per provider: 67. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,986
Patients
709
Total drug cost
$45,989
Drug Type Claims Patients Total cost
Gabapentin Generic 972 234 $5,162
Baclofen Generic 284 145 $1,536
Diclofenac Sodium Generic 213 118 $4,996
Pregabalin Generic 128 19 $1,670
Lidocaine Generic 122 41 $11,882
Methylprednisolone Acetate Generic 70 64 $824
Diclofenac Epolamine Generic 54 21 $18,755
Triamcinolone Acetonide Generic 36 35 $366
Meloxicam Generic 29 21 $92
Tizanidine Hcl Generic 18 0 $287

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariela Diaz's medical specialty?
Dr. Mariela Diaz practices Physical Medicine & Rehabilitation Physician in San Juan, PR.
Where does Dr. Mariela Diaz practice?
Dr. Mariela Diaz practices at 10 Calle Casia, San Juan, PR 009213200. Office phone: 7876417582.
What is Dr. Mariela Diaz's NPI?
Dr. Mariela Diaz's National Provider Identifier (NPI) is 1750673752, issued by NPPES.
Does Dr. Mariela Diaz accept Medicare assignment?
Yes. Dr. Mariela Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariela Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.