Delivery of Health Care, IntegratedElectronic Health RecordsHealth Services Needs and Demand
Dr. Walter Peter Mutter, MD
NPI1104895556PAC ID1254332976
- Medicare services, 2024
- 2,275
- Medicare patients, 2024
- 868
- Part D claims, 2024
- 882
- Publications
- 3
- Hospital affiliations
- 5
- Practice address
- 31 Pine St, Norfolk, MA 02056
- Practice phone
- Call (781) 642-0331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Dialysis Center at Waltham
Norfolk, Massachusetts
Find Dr. Mutter's professional email, personal email and mobile number
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Dr. Walter Peter Mutter is a nephrologist in Norfolk, Massachusetts
Dr. Mutter practices at The Dialysis Center at Waltham in Norfolk, Massachusetts.
Dr. Mutter's NPI, 1104895556, was assigned on March 17, 2006. Dr. Mutter graduated from University of Massachusetts Medical School in 1999. Dr. Mutter holds Massachusetts license 210130.
NPI and contact details
- NPI
- 1104895556NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254332976
- NPI enumeration date
- March 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (781) 642-0331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Walter Peter Mutter practices at The Dialysis Center at Waltham in Norfolk, Massachusetts
Dr. Mutter's primary practice is The Dialysis Center at Waltham, at 31 Pine St, Norfolk, MA 02056 in Norfolk County. The practice phone is (781) 642-0331.
- The Dialysis Center at Waltham31 Pine St, Norfolk, MA 02056 · Norfolk CountyPhone(781) 642-0331
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Walter Peter Mutter is affiliated with 11 sites of care and 3 medical groups
Dr. Mutter's primary practice is The Dialysis Center at Waltham in Norfolk, Massachusetts. Dr. Mutter is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Mutter to 4 more hospitals, 4 dialysis centers, 2 medical groups and 1 group practice or clinic, each named with a free account.
The Dialysis Center at WalthamPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Walter Peter Mutter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mutter practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Dialysis Center at Waltham | Available with a free account |
| +10 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Walter Peter Mutter is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Mutter's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Mutter is licensed in Massachusetts.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
Nephrologists near Dr. Mutter
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Walter Peter Mutter billed Medicare for 2,275 services in 2024
CMS data shows 2,275 Medicare services from Dr. Mutter across 13 procedure codes in 2024, for 868 Medicare patients. Medicare paid $179,910 for them.
Medicare services, 20242,275
Medicare patients868
Paid by Medicare$179,910
Procedure codes13
Dr. Mutter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5632024: 1,5741%
- Other services
- 2023: 02024: 549
- Tests and treatments
- 2023: 3532024: 15257%
Where Dr. Mutter's Medicare services took place, 2024
- In an office1,78078%
- In a facility49522%
Dr. Mutter compared with the Massachusetts median for nephrologists, 2024
- Dr. Mutter
- Massachusetts median
- Medicare services
- 2,275vs 7013.2 times
- Medicare patients
- 868vs 2823.1 times
- Part D claims
- 753vs 47160% above
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Mutter's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mutter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mutter and other nephrologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Walter Peter Mutter treated 868 Medicare patients in 2024, average age 78
CMS counts 868 Medicare patients who saw Dr. Mutter in 2024. The largest group is 75 to 84, with 393 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mutter's median patient age at 78, with 45% women.
Medicare patients, 2024868
Average age78
Average risk score2.37
Also on Medicaid13%
Dr. Mutter's Medicare patients by age, 2024
Dr. Mutter's Medicare patients by sex, 2024
- Women40146%
- Men46754%
Chronic conditions among Dr. Mutter's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes46%
- Ischemic heart disease41%
- Heart failure34%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mutter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Walter Peter Mutter wrote 882 Medicare Part D claims in 2024
In 2024, Dr. Mutter wrote 882 Medicare Part D claims for 203 patients. 94% of them were for generic drugs. CMS names the drug for 753 of them, across 18 drugs with 11 or more claims each, at $52,332 in total drug cost. In 2023, CMS named 737 claims across 23 drugs.
Part D claims, 2024882
Drugs named by CMS18
Total drug cost$52,332
Part D patients203
Dr. Mutter's Part D claims by kind of drug, 2024
- Generic825 claims94%
- Brand-name57 claims6%
Dr. Mutter's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7372024: 7532%
Drugs named by CMS: 18 in 2024, 23 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Walter Peter Mutter offers telehealth to Medicare patients
Dr. Mutter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mutter as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Walter Peter Mutter has 3 publications on record
Dmand AI links 3 papers to Dr. Mutter, published from 2019 to 2020. 2019 was the busiest year, with 2. Dr. Mutter's most frequent co-authors are Salman Ahmed, MD, MPH, Salman Ahmed, MD and Andrew S. Allegretti, MD.
Papers3
Years published2019 to 2020
Dr. Mutter's most frequent co-authors
- Salman Ahmed, MD, MPH1 shared paper
- Salman Ahmed, MD1 shared paper
- Andrew S. Allegretti, MD1 shared paper
Recent publications by Dr. Mutter
See who Dr. Mutter researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mutter works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Walter Peter Mutter received $2,525 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Mutter from 2 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 97% of the total. Novo Nordisk AS paid the most, $2,445.
General payments to Dr. Mutter by program year, 2016 to 2025
General payments to Dr. Mutter by kind, 2016 to 2025
$2.5Kin total
- Consulting fees$2,44597%
- Education$803%
Companies that paid Dr. Mutter the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Walter Peter Mutter graduated from University of Massachusetts Medical School
Dr. Mutter graduated from University of Massachusetts Medical School in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Walter Peter Mutter's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Walter Peter Mutter
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Walter Peter Mutter's NPI number?
Dr. Walter Peter Mutter's NPI number is 1104895556. It was assigned on March 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Walter Peter Mutter?
Dr. Walter Peter Mutter is a nephrologist in Norfolk, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Walter Peter Mutter practice?
Dr. Mutter practices at 31 Pine St, Norfolk, MA 02056. Dr. Mutter's primary practice is The Dialysis Center at Waltham in Norfolk, Massachusetts. Dmand AI also links Dr. Mutter to 4 hospitals, 4 dialysis centers, 2 medical groups and 1 group practice or clinic.
What is Dr. Walter Peter Mutter's office phone number?
The practice phone on file for Dr. Mutter is (781) 642-0331.
What is Dr. Walter Peter Mutter's medical license number?
Dr. Mutter holds Massachusetts license 210130.
Which hospitals is Dr. Walter Peter Mutter affiliated with?
Dr. Mutter is affiliated with Massachusetts General Hospital. Dmand AI links Dr. Mutter to 4 more hospitals.
What medical group is Dr. Walter Peter Mutter part of?
Dr. Mutter is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Mutter to 2 more medical groups.
Does Dr. Walter Peter Mutter accept Medicare?
Yes. CMS data shows Dr. Mutter billed Medicare for 2,275 services in 2024, and Dr. Mutter accepts Medicare assignment.
Does Dr. Walter Peter Mutter offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mutter as offering telehealth services.
How many Medicare patients does Dr. Walter Peter Mutter see?
CMS counts 868 Medicare patients who saw Dr. Mutter in 2024, with an average age of 78.
Show 7 more questionsShow fewer questions
What services does Dr. Walter Peter Mutter bill to Medicare?
In 2024, Dr. Mutter's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99232).
Where did Dr. Walter Peter Mutter go to medical school?
Dr. Mutter graduated from University of Massachusetts Medical School in 1999.
What drugs does Dr. Walter Peter Mutter prescribe most?
In 2024 Medicare Part D data, Dr. Mutter's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Lisinopril.
Has Dr. Walter Peter Mutter received payments from drug or device companies?
CMS Open Payments shows $2,525 in general payments to Dr. Mutter from 2 companies from 2016 to 2025. The largest total came from Novo Nordisk AS.
How long has Dr. Walter Peter Mutter been practicing?
Dr. Mutter graduated from medical school in 1999, 27 years ago.
Does Dr. Walter Peter Mutter do research?
Dmand AI links 3 publications to Dr. Mutter, published from 2019 to 2020.
Who does Dr. Walter Peter Mutter publish with?
Dr. Mutter's most frequent co-authors are Salman Ahmed, MD, MPH (1 shared paper), Salman Ahmed, MD (1 shared paper) and Andrew S. Allegretti, MD (1 shared paper).
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