Doctor profile · Federal record
Dr. Barry Izenstein, M.D.
Endocrinology, Diabetes & Metabolism Physician · Springfield, MA
- NPI 1346237583
- MIPS 79.8 / 100 · 2023
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2 Medical Center Dr, Suite 210
Springfield, MA 011071270
(413) 734-4667
fax (413) 737-1930
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Massachusetts #39301
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346237583. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,173
Distinct HCPCS
8
Medicare allowed
$147,853
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 524 | 313 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 491 | 299 | $130 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 482 | 200 | $3 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 316 | 122 | $64 | |
83036 |
Hemoglobin a1c level | 263 | 149 | $9 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 54 | 54 | $170 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 25 | 23 | $54 | |
20610 |
Aspiration and/or injection of fluid from large joint | 18 | 14 | $70 |
In context: peer comparison
Among 2 peers in Springfield Endocrinology, Diabetes & Metabolism Physician, average services per provider: 228. This provider delivers 9.5× the peer median.Open Payments
Industry payments received
All-time total
$681
Transactions
32
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 8 | $157.85 | |
| Novo Nordisk INC | 7 | $149.79 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $59.44 | |
| Tandem Diabetes Care, INC. | 2 | $52.60 | |
| Abbott Laboratories | 2 | $41.60 | |
| Abbvie INC. | 2 | $39.95 | |
| Radius Health, INC. | 1 | $29.42 | |
| Antares Pharma, INC. | 1 | $27.08 | |
| Chiesi USA, INC. | 1 | $22.36 | |
| Amgen INC. | 1 | $21.79 | |
| Phathom Pharmaceuticals, INC. | 1 | $21.71 | |
| Xeris Pharmaceuticals, INC. | 1 | $20.85 | |
| Corcept Therapeutics | 1 | $19.04 | |
| Esperion Therapeutics, INC. | 1 | $17.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,975
Patients
1,019
Total drug cost
$892,886
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trulicity (Dulaglutide) | Brand | 440 | 81 | $689,223 |
| Amlodipine Besylate | Generic | 434 | 114 | $3,048 |
| Levothyroxine Sodium | Generic | 429 | 115 | $8,274 |
| Hydrochlorothiazide | Generic | 316 | 90 | $2,363 |
| Losartan Potassium | Generic | 313 | 73 | $6,226 |
| Atorvastatin Calcium | Generic | 310 | 86 | $8,332 |
| Lisinopril | Generic | 283 | 82 | $2,907 |
| Metformin Hcl | Generic | 239 | 63 | $3,181 |
| Simvastatin | Generic | 220 | 55 | $2,367 |
| Metoprolol Succinate | Generic | 204 | 51 | $4,792 |
Frequently asked questions
What is Dr. Barry Izenstein's medical specialty?
Dr. Barry Izenstein practices Endocrinology, Diabetes & Metabolism Physician in Springfield, MA.
Where does Dr. Barry Izenstein practice?
Dr. Barry Izenstein practices at 2 Medical Center Dr, Springfield, MA 011071270. Office phone: 4137344667.
What is Dr. Barry Izenstein's NPI?
Dr. Barry Izenstein's National Provider Identifier (NPI) is 1346237583, issued by NPPES.
What procedures does Dr. Barry Izenstein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.