Doctor profile · Federal record
Dr. Matthew Niemi, M.D.
Nephrology Physician (CMS: Nephrology) · Worcester, MA
- NPI 1053548321
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Lake Ave N, Department of Nephrology
Worcester, MA 016550002
(508) 856-3155 - Additional location
-
157 Union St
Marlborough, MA 017521228
fax (508) 856-3111 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- October 27, 2020
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Massachusetts #251074
- Medicaid
- MA #110100066A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053548321. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
856
Distinct HCPCS
10
Medicare allowed
$114,849
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 221 | 155 | $99 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 178 | 113 | $81 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 156 | 74 | $119 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 64 | 13 | $368 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 45 | $67 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 46 | $177 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 43 | 16 | $307 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $133 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 39 | 38 | $131 | |
90935 |
Hemodialysis procedure with physician evaluation | 24 | 17 | $73 |
In context: peer comparison
Among 15 peers in Worcester Nephrology Physician, average services per provider: 91. This provider delivers 9.4× the peer median.Open Payments
Industry payments received
All-time total
$131
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Corcept Therapeutics | 1 | $75.26 | |
| Novo Nordisk INC | 1 | $56.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
649
Patients
176
Total drug cost
$227,083
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 104 | 39 | $1,338 |
| Calcitriol | Generic | 101 | 34 | $1,031 |
| Velphoro (Sucroferric Oxyhydroxide) | Brand | 73 | 11 | $128,194 |
| Losartan Potassium | Generic | 70 | 25 | $1,089 |
| Furosemide | Generic | 48 | 19 | $422 |
| Jardiance (Empagliflozin) | Brand | 41 | 12 | $50,887 |
| Sevelamer Carbonate | Generic | 32 | 12 | $10,445 |
| Amlodipine Besylate | Generic | 27 | 13 | $160 |
| Chlorthalidone | Generic | 27 | 11 | $795 |
| Doxazosin Mesylate | Generic | 25 | 0 | $190 |
Hospital affiliations
Frequently asked questions
What is Dr. Matthew Niemi's medical specialty?
Dr. Matthew Niemi practices Nephrology Physician in Worcester, MA.
Where does Dr. Matthew Niemi practice?
Dr. Matthew Niemi practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5088563155.
What is Dr. Matthew Niemi's NPI?
Dr. Matthew Niemi's National Provider Identifier (NPI) is 1053548321, issued by NPPES.
Does Dr. Matthew Niemi accept Medicare assignment?
Yes. Dr. Matthew Niemi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Niemi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.