Doctor profile · Federal record
Dr. Glenn Siegel, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Norwalk, CT
- NPI 1437140514
- Accepts Medicare
- MIPS 81.7 / 100 · 2023
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
761 Main Ave, Suite 201
Norwalk, CT 068511080
(203) 838-4000
fax (203) 845-9535
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- March 29, 2011
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Connecticut #044239
- Medicaid
- CT #004187466
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437140514. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,652
Distinct HCPCS
9
Medicare allowed
$394,220
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 9,720 | 100 | $22 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 976 | 529 | $135 | |
83036 |
Hemoglobin a1c level | 331 | 171 | $10 | |
96372 |
Injection of drug or substance under skin or into muscle | 172 | 102 | $15 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 158 | 66 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 120 | 107 | $96 | |
76536 |
Ultrasound scan of head and neck soft tissue | 96 | 94 | $123 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 64 | 64 | $177 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 15 | 12 | $147 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 802. This provider delivers 15× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,517
Patients
1,300
Total drug cost
$2,832,453
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 782 | 221 | $13,153 |
| Metformin Hcl | Generic | 543 | 163 | $6,426 |
| Trulicity (Dulaglutide) | Brand | 485 | 114 | $1,053,858 |
| Jardiance (Empagliflozin) | Brand | 434 | 117 | $685,013 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 416 | 116 | $394,468 |
| Alendronate Sodium | Generic | 301 | 89 | $3,283 |
| Atorvastatin Calcium | Generic | 283 | 91 | $3,716 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 200 | 78 | $20,530 |
| Synthroid (Levothyroxine Sodium) | Brand | 182 | 50 | $18,105 |
| Methimazole | Generic | 172 | 48 | $4,358 |
Frequently asked questions
What is Dr. Glenn Siegel's medical specialty?
Dr. Glenn Siegel practices Endocrinology, Diabetes & Metabolism Physician in Norwalk, CT.
Where does Dr. Glenn Siegel practice?
Dr. Glenn Siegel practices at 761 Main Ave, Norwalk, CT 068511080. Office phone: 2038384000.
What is Dr. Glenn Siegel's NPI?
Dr. Glenn Siegel's National Provider Identifier (NPI) is 1437140514, issued by NPPES.
Does Dr. Glenn Siegel accept Medicare assignment?
Yes. Dr. Glenn Siegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glenn Siegel commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.