MATTHEW ADAM NIEMI (M.D.) – Nephrology Physician, NPI 1053548321
Nephrology Physician
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Profile Insights
NPPES metrics only — not quality of care.
458 NEPHROLOGY in MA
Provider Addresses for MATTHEW ADAM NIEMI (M.D.)
157 Union St
Marlborough, MA 017521228
Phone: (508) 856-3155
Fax: (508) 856-3111
Type: Location
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022415348
Phone:
Type: Mailing
UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States
DEPARTMENT OF NEPHROLOGY
WORCESTER, MA 016550002
Phone: (508) 856-3155
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $131.
Total Amount is formed as General ($131) + Research ($0) + Ownership ($0) = $131.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: Corcept Therapeutics ($75).
Total Amount
$131
General + Research + Ownership
Payments
2
Total payment records
General Amount
$131
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Corcept Therapeutics | $75 |
| Novo Nordisk Inc | $56 |
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: 2014-01-24
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 |
|---|---|---|---|---|
| I20140124000336 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 221 | 155 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 178 | 113 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 156 | 74 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 64 | 13 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 46 | $0 |
Insurance plans in this area (ZIP 01752)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| - | MA | |
| - | MA | |
| Family Practice | MA | |
| Physician Assistant | MA | |
| Pulmonary Disease, Critical Care (Intensivists), Allergy/Immunology | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA |
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