Doctor profile · Federal record
Dr. Sylvia Diaz, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Internal Medicine Physician · Endocrinology, Diabetes & Metabolism Physician · Internal Medicine Physician · Sunny Isles Beach, FL
- NPI 1083880009
- Accepts Medicare
- 27 yrs in practice
- Licensed in 4 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
323 Sunny Isles Blvd
Sunny Isles Beach, FL 33160
(786) 274-8105
fax (786) 274-8905 - Additional location
-
100 Hitchcock Way
Manchester, NH 031044125
(603) 695-2722 - Additional location
-
20 4Th St
Malone, NY 129531339
(518) 481-2677 - Additional location
-
3100 MacCorkle Ave Se Ste 810
Charleston, WV 253041233
(304) 351-3961 - Mailing address
-
2845 Aventura Blvd Ste 250
Aventura, FL 331803120
Show 1 more location
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- December 19, 2025
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (5)
- Florida #ME115603 · New York #284748 · New Hampshire #LT-4051 · West Virginia #35410 · New Hampshire #19510
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083880009. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
619
Distinct HCPCS
4
Medicare allowed
$50,797
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 420 | 256 | $95 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 141 | 71 | $34 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 34 | 30 | $86 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $130 |
In context: peer comparison
Among 1 peers in Sunny Isles Beach Endocrinology, Diabetes & Metabolism Physician, average services per provider: 154. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$76
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 2 | $36.01 | |
| Lilly USA, LLC | 1 | $22.56 | |
| Amgen INC. | 1 | $17.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,887
Patients
550
Total drug cost
$1,536,175
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 385 | 103 | $8,363 |
| Trulicity (Dulaglutide) | Brand | 248 | 54 | $466,476 |
| Tresiba Flextouch U-200 (Insulin Degludec) | Brand | 135 | 41 | $277,631 |
| Metformin Hcl | Generic | 133 | 46 | $2,295 |
| Novolog Flexpen (Insulin Aspart) | Brand | 125 | 49 | $251,009 |
| Ozempic (Semaglutide) | Brand | 123 | 33 | $242,219 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 122 | 33 | $2,677 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 116 | 45 | $17,740 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 91 | 26 | $90,736 |
| Methimazole | Generic | 83 | 23 | $1,219 |
Hospital affiliations
Frequently asked questions
What is Dr. Sylvia Diaz's medical specialty?
Dr. Sylvia Diaz practices Endocrinology, Diabetes & Metabolism Physician in Sunny Isles Beach, FL.
Where does Dr. Sylvia Diaz practice?
Dr. Sylvia Diaz practices at 323 Sunny Isles Blvd, Sunny Isles Beach, FL 33160. Office phone: 7862748105.
What is Dr. Sylvia Diaz's NPI?
Dr. Sylvia Diaz's National Provider Identifier (NPI) is 1083880009, issued by NPPES.
Does Dr. Sylvia Diaz accept Medicare assignment?
Yes. Dr. Sylvia Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sylvia 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); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.