Hematol Oncol Clin North Am
Radiation InjuriesRadiation ToleranceRadiotherapy
Dr. Allison H. Sacher, MD
NPI1679510879PAC ID6002883170
- Medicare services, 2024
- 821
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 18
- Publications
- 1
- MIPS score, 2024
- 100
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Sacher's professional email, personal email and mobile number
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Dr. Allison H. Sacher is a radiation oncologist in Mendon, Massachusetts
Dr. Sacher practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Sacher's NPI, 1679510879, was assigned on May 31, 2006. Dr. Sacher graduated from Icahn School of Medicine at Mount Sinai in 1994. Dr. Sacher holds Massachusetts license 219557.
NPI and contact details
- NPI
- 1679510879NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002883170
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Allison H. Sacher practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Sacher's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Allison H. Sacher is affiliated with 2 sites of care and 1 medical group
Dr. Sacher's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Sacher is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group.
Umass Memorial Medical CenterPrimary
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. Allison H. Sacher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sacher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Allison H. Sacher is one of 186 radiation oncologists in Massachusetts
Radiation oncology is Dr. Sacher's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Sacher is licensed in Massachusetts.
Specialties and state licenses
- Radiation oncology, MassachusettsPrimary
Radiation oncologists near Dr. Sacher
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
186radiation oncologists in Massachusetts
8radiation oncologists in Mendon
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Allison H. Sacher billed Medicare for 821 services in 2024
CMS data shows 821 Medicare services from Dr. Sacher across 11 procedure codes in 2024, for 115 Medicare patients. Medicare paid $64,874 for them.
Medicare services, 2024821
Medicare patients115
Paid by Medicare$64,874
Procedure codes11
Dr. Sacher's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8732024: 75114%
- Office and hospital visits
- 2023: 742024: 705%
Where Dr. Sacher's Medicare services took place, 2024
- In an office42552%
- In a facility39648%
Dr. Sacher compared with the Massachusetts median for radiation oncologists, 2024
- Dr. Sacher
- Massachusetts median
- Medicare services
- 821vs 1,16129% below
- Medicare patients
- 115vs 17334% below
- Part D claims
- 14vs 2646% below
Medians across 182 radiation oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sacher'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. Sacher?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sacher and other radiation oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Allison H. Sacher treated 115 Medicare patients in 2024, average age 74
CMS counts 115 Medicare patients who saw Dr. Sacher in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have cancer, and 74% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sacher's median patient age at 72, with 95% women.
Medicare patients, 2024115
Average age74
Average risk score1.31
Also on Medicaid30%
Dr. Sacher's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Sacher's Medicare patients, 2024
- Cancer75%
- High cholesterol74%
- High blood pressure64%
- Arthritis43%
- Anxiety32%
- Mood disorders30%
- Depression26%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sacher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women95%
- Men4%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Allison H. Sacher wrote 18 Medicare Part D claims in 2024
In 2024, Dr. Sacher wrote 18 Medicare Part D claims for 13 patients. 78% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $181 in total drug cost.
Part D claims, 202418
Drugs named by CMS1
Total drug cost$181
Part D patients13
Dr. Sacher's Part D claims by kind of drug, 2024
- Generic14 claims78%
- Brand-name and other4 claims22%
Dr. Sacher's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Allison H. Sacher scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Sacher for performance year 2024, reported through an alternative payment model (APM). Dr. Sacher accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sacher as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Sacher's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Allison H. Sacher has 1 publication on record
Dmand AI links 1 paper to Dr. Sacher in 2019. Dr. Sacher's most frequent co-author is Thomas J. Fitzgerald, MD, PhD.
Papers1
Dr. Sacher's most frequent co-authors
Recent publications by Dr. Sacher
See who Dr. Sacher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sacher works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Allison H. Sacher received $484 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Sacher from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Novocure Inc. paid the most, $359.
General payments to Dr. Sacher by program year, 2016 to 2024
Companies that paid Dr. Sacher the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Allison H. Sacher graduated from Icahn School of Medicine at Mount Sinai
Dr. Sacher graduated from Icahn School of Medicine at Mount Sinai in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Allison H. Sacher'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)Clinician Public Reporting: Overall MIPS Performance (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. Allison H. Sacher
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. Allison H. Sacher's NPI number?
Dr. Allison H. Sacher's NPI number is 1679510879. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Allison H. Sacher?
Dr. Allison H. Sacher is a radiation oncologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Allison H. Sacher practice?
Dr. Sacher practices at 55 North Ave, Mendon, MA 01756. Dr. Sacher's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts.
What is Dr. Allison H. Sacher's office phone number?
The practice phone on file for Dr. Sacher is (508) 334-1000.
What is Dr. Allison H. Sacher's medical license number?
Dr. Sacher holds Massachusetts license 219557.
Which hospitals is Dr. Allison H. Sacher affiliated with?
Dr. Sacher is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Allison H. Sacher part of?
Dr. Sacher is linked to UMass Memorial Medical Group.
Does Dr. Allison H. Sacher accept Medicare?
Yes. CMS data shows Dr. Sacher billed Medicare for 821 services in 2024, and Dr. Sacher accepts Medicare assignment.
Does Dr. Allison H. Sacher offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sacher as offering telehealth services.
What is Dr. Allison H. Sacher's MIPS score?
Dr. Sacher's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Allison H. Sacher see?
CMS counts 115 Medicare patients who saw Dr. Sacher in 2024, with an average age of 74.
What services does Dr. Allison H. Sacher bill to Medicare?
In 2024, Dr. Sacher's most billed Medicare services were radiation oncology (77334), radiation oncology (77300) and radiation oncology (77427).
Where did Dr. Allison H. Sacher go to medical school?
Dr. Sacher graduated from Icahn School of Medicine at Mount Sinai in 1994.
What drugs does Dr. Allison H. Sacher prescribe most?
In 2019 Medicare Part D data, Dr. Sacher's most prescribed drugs by claims were Lidocaine HCl Viscous.
Has Dr. Allison H. Sacher received payments from drug or device companies?
CMS Open Payments shows $484 in general payments to Dr. Sacher from 2 companies from 2016 to 2024. The largest total came from Novocure Inc.
How long has Dr. Allison H. Sacher been practicing?
Dr. Sacher graduated from medical school in 1994, 32 years ago.
Does Dr. Allison H. Sacher do research?
Dmand AI links 1 publication to Dr. Sacher.
Who does Dr. Allison H. Sacher publish with?
Dr. Sacher's most frequent co-authors are Thomas J. Fitzgerald, MD, PhD (1 shared paper).
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