Doctor profile · Federal record
Dr. Fadi Siyam, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO
- NPI 1558526574
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 21 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12700 Southfork RD Ste 205
Saint Louis, MO 631283201
(314) 525-7350
fax (314) 525-7356
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- February 4, 2025
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (3)
- Missouri #2013002833 · Oregon #MD220356 · Illinois #036150752
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558526574. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
878
Distinct HCPCS
7
Medicare allowed
$75,358
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 398 | 261 | $128 | |
83036 |
Hemoglobin a1c level | 150 | 121 | $10 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 149 | 121 | $3 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 87 | 87 | $167 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 57 | 54 | $90 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $114 | |
36415 |
Insertion of needle into vein for collection of blood sample | 12 | 11 | $8 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 421. This provider delivers 2.1× the peer median.Open Payments
Industry payments received
All-time total
$194
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $100.45 | |
| Medtronic, Inc. | 2 | $30.23 | |
| Tandem Diabetes Care, Inc. | 1 | $24.27 | |
| Novo Nordisk Inc | 1 | $23.43 | |
| BETA BIONICS, INC. | 1 | $15.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,077
Patients
675
Total drug cost
$1,558,461
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 278 | 88 | $6,344 |
| Glimepiride | Generic | 188 | 61 | $2,283 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 184 | 61 | $180,722 |
| Trulicity (Dulaglutide) | Brand | 181 | 40 | $371,939 |
| Jardiance (Empagliflozin) | Brand | 166 | 47 | $233,025 |
| Metformin Hcl | Generic | 160 | 52 | $2,326 |
| Tresiba Flextouch U-100 (Insulin Degludec) | Brand | 137 | 42 | $141,240 |
| Pioglitazone Hcl | Generic | 124 | 34 | $2,006 |
| Novolog Flexpen (Insulin Aspart) | Brand | 115 | 45 | $144,326 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 107 | 37 | $140,090 |
Hospital affiliations
Frequently asked questions
What is Dr. Fadi Siyam's medical specialty?
Dr. Fadi Siyam practices Endocrinology, Diabetes & Metabolism Physician in Saint Louis, MO.
Where does Dr. Fadi Siyam practice?
Dr. Fadi Siyam practices at 12700 Southfork RD Ste 205, Saint Louis, MO 631283201. Office phone: 3145257350.
What is Dr. Fadi Siyam's NPI?
Dr. Fadi Siyam's National Provider Identifier (NPI) is 1558526574, issued by NPPES.
Does Dr. Fadi Siyam accept Medicare assignment?
Yes. Dr. Fadi Siyam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fadi Siyam commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.