Dr. Peter M. Sadow, MD, PhD
- Medicare services, 2024
- 2,392
- Medicare patients, 2024
- 673
- Hospital affiliations
- 3
- Industry payments
- $10,870
- Medical groups
- 2
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sadow's professional email, personal email and mobile number
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Dr. Peter M. Sadow is a pathologist in Boston, Massachusetts
Dr. Sadow practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Sadow's NPI, 1154493351, was assigned on November 14, 2006. Dr. Sadow graduated from University of Chicago, Pritzker School of Medicine in 2004. Dr. Sadow holds Massachusetts license 231642.
- NPI
- 1154493351NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446321608
- NPI enumeration date
- November 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter M. Sadow practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Sadow's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Peter M. Sadow is affiliated with 4 sites of care and 2 medical groups
Dr. Sadow's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Sadow is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Sadow to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter M. Sadow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sadow practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter M. Sadow is one of 174 pathologists in Massachusetts
Anatomic pathology is Dr. Sadow's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Sadow is licensed in Massachusetts.
Specialties and state licenses
- Anatomic pathology, MassachusettsPrimary
Pathologists near Dr. Sadow
Counts of pathologists 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. Peter M. Sadow billed Medicare for 2,392 services in 2024
CMS data shows 2,392 Medicare services from Dr. Sadow across 14 procedure codes in 2024, for 673 Medicare patients. Medicare paid $93,197 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sadow's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,3972024: 2,3412%
- Other services
- 2023: 462024: 5111%
Dr. Sadow compared with the Massachusetts median for pathologists, 2024
- Dr. Sadow
- Massachusetts median
- Medicare services
- 2,392vs 1,0192.3 times
- Medicare patients
- 673vs 45349% above
Medians across 169 pathologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sadow'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. Sadow?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sadow and other pathologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter M. Sadow treated 673 Medicare patients in 2024, average age 74
CMS counts 673 Medicare patients who saw Dr. Sadow in 2024. The largest group is 65 to 74, with 310 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sadow's median patient age at 50, with 48% women.
Dr. Sadow's Medicare patients by age, 2024
Dr. Sadow's Medicare patients by sex, 2024
- Women25538%
- Men41862%
Chronic conditions among Dr. Sadow's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis42%
- Anxiety33%
- Cancer32%
- Ischemic heart disease31%
- Chronic kidney disease27%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sadow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Peter M. Sadow takes part in Medicare
Dr. Sadow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter M. Sadow received $10,870 in industry payments from 2021 to 2022
CMS Open Payments shows 3 general payments to Dr. Sadow from 2 drug and device companies from 2021 to 2022. Consulting fees make up the largest share, 100% of the total. Pfizer Inc. paid the most, $9,600.
General payments to Dr. Sadow by program year, 2021 to 2022
Companies that paid Dr. Sadow the most, 2021 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter M. Sadow graduated from University of Chicago, Pritzker School of Medicine
Dr. Sadow graduated from University of Chicago, Pritzker School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter M. Sadow'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Peter M. Sadow
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. Peter M. Sadow's NPI number?
Dr. Peter M. Sadow's NPI number is 1154493351. It was assigned on November 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter M. Sadow?
Dr. Peter M. Sadow is a pathologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).
Where does Dr. Peter M. Sadow practice?
Dr. Sadow practices at 55 Fruit Street, Boston, MA 02114. Dr. Sadow's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Sadow to 1 hospital, 1 community health center and 1 medical group.
What is Dr. Peter M. Sadow's office phone number?
The practice phone on file for Dr. Sadow is (617) 726-2000.
What is Dr. Peter M. Sadow's medical license number?
Dr. Sadow holds Massachusetts license 231642.
Which hospitals is Dr. Peter M. Sadow affiliated with?
Dr. Sadow practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Sadow is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Sadow to 1 more hospital.
What medical group is Dr. Peter M. Sadow part of?
Dr. Sadow is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Sadow to 1 more medical group.
Does Dr. Peter M. Sadow accept Medicare?
Yes. CMS data shows Dr. Sadow billed Medicare for 2,392 services in 2024, and Dr. Sadow accepts Medicare assignment.
How many Medicare patients does Dr. Peter M. Sadow see?
CMS counts 673 Medicare patients who saw Dr. Sadow in 2024, with an average age of 74.
What services does Dr. Peter M. Sadow bill to Medicare?
In 2024, Dr. Sadow's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88331).
Show 3 more questionsShow fewer questions
Where did Dr. Peter M. Sadow go to medical school?
Dr. Sadow graduated from University of Chicago, Pritzker School of Medicine in 2004.
Has Dr. Peter M. Sadow received payments from drug or device companies?
CMS Open Payments shows $10,870 in general payments to Dr. Sadow from 2 companies from 2021 to 2022. The largest total came from Pfizer Inc.
How long has Dr. Peter M. Sadow been practicing?
Dr. Sadow graduated from medical school in 2004, 22 years ago.
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