DR. BRETT C HYNNINEN (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1629010947
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
334 PHYSICAL MEDICINE AND REHABILITATION in MA
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Provider Addresses for DR. BRETT C HYNNINEN (M.D.)
271, Park Street, Springfield, Penobscot County, Maine, 04487, United States
WEST SPRINGFIELD, MA 010893311
Phone: (413) 785-1153
Fax: (413) 781-4951
Type: Mailing
55, Federal Street, Greenfield, Franklin County, Massachusetts, 01301, United States
GREENFIELD, MA 013012546
Phone: (413) 774-7979
Fax: (413) 775-0222
Type: Location
766 N KING ST STE 2
NORTHAMPTON, MA 010601143
Phone: (413) 586-0230
Fax: (413) 586-1068
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $977.
Total Amount is formed as General ($977) + Research ($0) + Ownership ($0) = $977.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Merz Pharmaceuticals, LLC ($275).
Total Amount
$977
General + Research + Ownership
Payments
26
Total payment records
General Amount
$977
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merz Pharmaceuticals, LLC | $275 |
| ABBVIE INC. | $175 |
| Relievant Medsystems, Inc. | $168 |
| Vertos Medical, Inc. | $111 |
| DJO, LLC | $49 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-08-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040817001060 | I | Physical Medicine And Rehabilitation | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare 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 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 503 | 31 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 398 | 229 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 211 | 211 | $0 |
Insurance plans in this area (ZIP 01089)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICAL MEDICINE AND REHABILITATIO | MA | 20610 | Aspiration and/or injection of large joint or joint capsule | 31 | 23 |
| PHYSICAL MEDICINE AND REHABILITATIO | MA | 64493 | Injections of lower or sacral spine facet joint using imaging guidance | 152 | 120 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Physical Therapist In Private Practice | MA | |
| Physical Medicine And Rehabilitation | NY | |
| Physical Therapist In Private Practice | MA | |
| Physical Medicine And Rehabilitation | MA | |
| Physical Therapist In Private Practice | MA | |
| Physician Assistant | MA | |
| Physical Medicine And Rehabilitation | MA |
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