Doctor profile · Federal record
Dr. Michael Irwig, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
- NPI 1669414710
- Accepts Medicare
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Brookline Ave
Boston, MA 022155491
(617) 735-3322
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 11, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Massachusetts #282031 · District of Columbia #MD036715
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669414710. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
319
Distinct HCPCS
4
Medicare allowed
$34,797
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 126 | 114 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 88 | 74 | $70 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 70 | 70 | $151 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $142 |
In context: peer comparison
Among 97 peers in Boston Endocrinology, Diabetes & Metabolism Physician, average services per provider: 116. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$2,250
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ipsen Biopharmaceuticals, INC | 1 | $1,125.00 | |
| Ipsen Bioscience INC. | 1 | $1,125.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
599
Patients
107
Total drug cost
$160,077
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Testosterone Cypionate | Generic | 126 | 21 | $2,908 |
| Levothyroxine Sodium | Generic | 116 | 37 | $1,555 |
| Testosterone | Generic | 106 | 22 | $27,674 |
| Alendronate Sodium | Generic | 81 | 27 | $1,252 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 36 | 0 | $3,864 |
| Methimazole | Generic | 28 | 0 | $320 |
| Forteo (Teriparatide) | Brand | 25 | 0 | $113,284 |
| Prednisone | Generic | 25 | 0 | $287 |
| Ultra-Fine Short Pen Needle (Pen Needle, Diabetic) | Brand | 23 | 0 | $422 |
| Levoxyl (Levothyroxine Sodium) | Brand | 20 | 0 | $723 |
Frequently asked questions
What is Dr. Michael Irwig's medical specialty?
Dr. Michael Irwig practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Michael Irwig practice?
Dr. Michael Irwig practices at 330 Brookline Ave, Boston, MA 022155491. Office phone: 6177353322.
What is Dr. Michael Irwig's NPI?
Dr. Michael Irwig's National Provider Identifier (NPI) is 1669414710, issued by NPPES.
Does Dr. Michael Irwig accept Medicare assignment?
Yes. Dr. Michael Irwig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Irwig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.