Doctor profile · Federal record
Dr. Brett Hynninen, M.D.
Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Northampton, MA
- NPI 1629010947
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
766 N King St Ste 2
Northampton, MA 010601143
(413) 586-0230
fax (413) 586-1068 - Mailing address
-
271 Park St
West Springfield, MA 010893311
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 25, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 208100000X — NUCC code
- State license (1)
- Massachusetts #161095
- Medicaid
- MA #3199975
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629010947. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
90,116
Distinct HCPCS
10
Medicare allowed
$306,061
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 87,050 | 217 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 753 | 429 | $130 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 503 | 31 | $0 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 398 | 229 | $92 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 211 | 211 | $169 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 189 | 145 | $7 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 184 | 28 | $1 | |
64483 |
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 136 | 108 | $279 | |
64493 |
Injection of lower or sacral spine facet joint using imaging guidance, single level | 114 | 88 | $246 | |
64494 |
Injection of lower or sacral spine facet joint using imaging guidance, second level | 112 | 86 | $126 |
In context: peer comparison
Among 1 peers in Northampton Physical Medicine & Rehabilitation Physician, average services per provider: 3,754. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$556
Transactions
16
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merz Pharmaceuticals, LLC | 6 | $208.00 | |
| Vertos Medical, INC. | 2 | $110.81 | |
| Abbvie INC. | 2 | $54.03 | |
| Djo, LLC | 1 | $48.78 | |
| Spr Therapeutics, INC | 1 | $46.67 | |
| Lundbeck LLC | 2 | $40.34 | |
| Nalu Medical, INC. | 1 | $23.83 | |
| Medtronic, INC. | 1 | $23.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
299
Patients
188
Total drug cost
$876
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alprazolam | Generic | 126 | 89 | $81 |
| Gabapentin | Generic | 70 | 34 | $537 |
| Cephalexin | Generic | 66 | 42 | $84 |
| Prednisone | Generic | 24 | 23 | $149 |
| Meloxicam | Generic | 13 | 0 | $25 |
Hospital affiliations
Frequently asked questions
What is Dr. Brett Hynninen's medical specialty?
Dr. Brett Hynninen practices Physical Medicine & Rehabilitation Physician in Northampton, MA.
Where does Dr. Brett Hynninen practice?
Dr. Brett Hynninen practices at 766 N King St Ste 2, Northampton, MA 010601143. Office phone: 4135860230.
What is Dr. Brett Hynninen's NPI?
Dr. Brett Hynninen's National Provider Identifier (NPI) is 1629010947, issued by NPPES.
Does Dr. Brett Hynninen accept Medicare assignment?
Yes. Dr. Brett Hynninen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brett Hynninen commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Established patient office or other outpatient visit (HCPCS 99214); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.