Physician Profile
Unclaimed ProfileAbout MUTTER
Walter Peter Mutter, M.D. is a healthcare provider in Newton, MA specialising in nephrology. Walter trained at University of Massachusetts Medical School, graduating in 1999. Walter is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Mutter?
Dr. Mutter is a nephrology in Newton, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
What is Dr. Mutter's address?
Dr. Mutter is listed at NEWTON WELLESLEY PHYSICIANS NEPHROLOGY NEWTON WELLESLEY HOSPITAL, GREEN 460, Newton, MA 20462. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Mutter?
The number on file is (617) 243-5420. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mutter's NPI number?
Dr. Mutter's National Provider Identifier is 1104895556. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mutter train?
Dr. Mutter attended University of Massachusetts Medical School, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mutter been practising?
Dr. Mutter has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mutter perform?
According to Medicare billing data, Dr. Mutter provides treatments such as dialysis services, 1 physician visit per month and hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mutter confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mutter. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (617) 243-5420
- Email not available
Practice Locations
NEWTON WELLESLEY PHYSICIANS NEPHROLOGY NEWTON WELLESLEY HOSPITAL, GREEN 460
Newton, MA 20462
Procedures Most Often Billed to Medicare
2,275 services · 1,590 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dialysis services, 1 physician visit per month (20 years or older) | Treatment | 90962 |
135 |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
17 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
599 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
549 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
296 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
224 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
122 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
105 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
80 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
71 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nephrology specialists in Newton 4
Same specialty, same city.
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1999 at University of Massachusetts Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 1 physician visit per month (20 years or older) 7
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.