Doctor profile · Federal record
Dr. Walter Mutter, M.D.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Newton, MA
- NPI 1104895556
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Newton Wellesley Physicians Nephrology, Newton Wellesley Hospital, Green 460
Newton, MA 20462
(617) 243-5420 - Mailing address
-
Newton Wellesley Hospital, Green 460, Newton Wellesley Physicians Nephrology
Newton, MA 20462
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- May 6, 2016
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Massachusetts #210130
- Medicaid
- MA #0167100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104895556. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,916
Distinct HCPCS
10
Medicare allowed
$248,417
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 586 | 353 | $140 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 344 | 120 | $84 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 208 | 173 | $99 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 200 | 24 | $218 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 168 | 142 | $138 | |
90935 |
Hemodialysis procedure with physician evaluation | 153 | 33 | $76 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 115 | 115 | $182 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 45 | 41 | $140 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 25 | 15 | $124 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 24 | 24 | $88 |
In context: peer comparison
Among 3 peers in Newton Nephrology Physician, average services per provider: 131. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$60
Transactions
5
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Travere Therapeutics, INC. | 5 | $59.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
623
Patients
155
Total drug cost
$21,745
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 112 | 37 | $1,675 |
| Amlodipine Besylate | Generic | 90 | 37 | $794 |
| Lisinopril | Generic | 85 | 27 | $1,445 |
| Torsemide | Generic | 55 | 23 | $2,134 |
| Hydrochlorothiazide | Generic | 43 | 17 | $369 |
| Potassium Chloride | Generic | 35 | 0 | $736 |
| Potassium Citrate ER (Potassium Citrate) | Brand | 33 | 14 | $5,942 |
| Irbesartan | Generic | 24 | 0 | $407 |
| Atorvastatin Calcium | Generic | 23 | 0 | $363 |
| Valsartan | Generic | 22 | 0 | $670 |
Hospital affiliations
Frequently asked questions
What is Dr. Walter Mutter's medical specialty?
Dr. Walter Mutter practices Nephrology Physician in Newton, MA.
Where does Dr. Walter Mutter practice?
Dr. Walter Mutter practices at Newton Wellesley Physicians Nephrology, Newton, MA 20462. Office phone: 6172435420.
What is Dr. Walter Mutter's NPI?
Dr. Walter Mutter's National Provider Identifier (NPI) is 1104895556, issued by NPPES.
Does Dr. Walter Mutter accept Medicare assignment?
Yes. Dr. Walter Mutter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Mutter 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.