Doctor profile · Federal record

Dr. Eduardo Rodriguez Diaz, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Fall River, MA

  • NPI 1124431044
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
277 Pleasant St Ste 202
Fall River, MA 027213005
(508) 676-3292
Additional location
Puerto Rico Medical Center, University District Hospital Bo. Monacillos
San Juan, PR 00935
(787) 758-2525
Additional location
1 Boston Medical Ctr Pl
Boston, MA 021182908
(617) 638-8000
Mailing address
1 Boston Medical Ctr Pl
Boston, MA 021182908

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
January 22, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Massachusetts #270795 · Puerto Rico #13599-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124431044. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
937
Distinct HCPCS
5
Medicare allowed
$94,339
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 684 434 $103
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 90 44 $36
99204 New patient office or other outpatient visit, 45-59 minutes 86 86 $141
99214 Established patient office or other outpatient visit, 30-39 minutes 66 49 $104
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $138

In context: peer comparison

Among 3 peers in this city , average services per provider: 240. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,550
Patients
488
Total drug cost
$676,581
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 376 123 $6,248
Alendronate Sodium Generic 245 76 $3,740
Glipizide Er (Glipizide) Brand 127 34 $2,574
Trulicity (Dulaglutide) Brand 113 31 $229,853
Jardiance (Empagliflozin) Brand 99 26 $144,893
Metformin Hcl Er (Metformin Hcl) Brand 95 33 $1,992
Metformin Hcl Generic 92 34 $1,727
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 67 26 $47,845
Synthroid (Levothyroxine Sodium) Brand 60 14 $4,385
Methimazole Generic 57 21 $1,324

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eduardo Rodriguez Diaz's medical specialty?
Dr. Eduardo Rodriguez Diaz practices Endocrinology, Diabetes & Metabolism Physician in Fall River, MA.
Where does Dr. Eduardo Rodriguez Diaz practice?
Dr. Eduardo Rodriguez Diaz practices at 277 Pleasant St Ste 202, Fall River, MA 027213005. Office phone: 5086763292.
What is Dr. Eduardo Rodriguez Diaz's NPI?
Dr. Eduardo Rodriguez Diaz's National Provider Identifier (NPI) is 1124431044, issued by NPPES.
Does Dr. Eduardo Rodriguez Diaz accept Medicare assignment?
Yes. Dr. Eduardo Rodriguez Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eduardo Rodriguez Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.