Dr. Mandy Sher Greenberg, MD
- Medicare services, 2024
- 168
- Medicare patients, 2024
- 113
- Part D claims, 2021
- 21
- Hospital affiliations
- 3
- Industry payments
- $328
- Practice address
- 100 Reserve Rd, Danbury, CT 06810
- Practice phone
- Call (203) 739-7742
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nuvance Health Medical Practice CT, Inc.
Danbury, Connecticut
Find Dr. Greenberg's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mandy Sher Greenberg is a surgical oncologist in Danbury, Connecticut
Dr. Greenberg practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.
Dr. Greenberg's NPI, 1043414436, was assigned on June 12, 2007. Dr. Greenberg graduated from St. George's University School of Medicine in 2003. Dr. Greenberg holds Connecticut license 49180.
- NPI
- 1043414436NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214179597
- NPI enumeration date
- June 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 739-7742
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mandy Sher Greenberg practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut
Dr. Greenberg's primary practice is Nuvance Health Medical Practice CT, Inc., at 100 Reserve Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7742.
- Nuvance Health Medical Practice CT, Inc.100 Reserve Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7742
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mandy Sher Greenberg is affiliated with 6 sites of care and 2 medical groups
Dr. Greenberg's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dr. Greenberg is also affiliated with Northwell Danbury Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Greenberg to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
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. Mandy Sher Greenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenberg practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nuvance Health Medical Practice CT, Inc. | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mandy Sher Greenberg is one of 34 surgical oncologists in Connecticut
Surgical oncology is Dr. Greenberg's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Greenberg is licensed in Connecticut.
Specialties and state licenses
- Surgical oncology, ConnecticutPrimary
Surgical oncologists near Dr. Greenberg
Counts of surgical oncologists 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. Mandy Sher Greenberg billed Medicare for 168 services in 2024
CMS data shows 168 Medicare services from Dr. Greenberg across 5 procedure codes in 2024, for 113 Medicare patients. Medicare paid $19,523 for them.
Dr. Greenberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1542024: 11029%
- Other services
- 2023: 02024: 44
- Surgery
- 2023: 02024: 14
Where Dr. Greenberg's Medicare services took place, 2024
- In an office15492%
- In a facility148%
Dr. Greenberg compared with the Connecticut median for surgical oncologists, 2024
- Dr. Greenberg
- Connecticut median
- Medicare services
- 168vs 9773% above
- Medicare patients
- 113vs 7551% above
- Part D claims
- 21vs 2825% below
Medians across 30 surgical oncologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Greenberg'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenberg and other surgical oncologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mandy Sher Greenberg treated 113 Medicare patients in 2024, average age 75
CMS counts 113 Medicare patients who saw Dr. Greenberg in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have high cholesterol, and 73% have cancer. 12% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greenberg's median patient age at 56, with 98% women.
Dr. Greenberg's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Greenberg's Medicare patients, 2024
- High cholesterol75%
- Cancer73%
- High blood pressure62%
- Arthritis46%
- Osteoporosis33%
- Anxiety19%
- Ischemic heart disease17%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mandy Sher Greenberg wrote 21 Medicare Part D claims in 2021
In 2021, Dr. Greenberg wrote 21 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $28 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Greenberg's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 122021: 2175%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Mandy Sher Greenberg ranks in the 77th percentile for mastectomy in Medicare
Dr. Greenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of mastectomy by Dr. Greenberg, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Greenberg ranks in Medicare procedure volume
- Mastectomy
- 77th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mandy Sher Greenberg received $328 in industry payments from 2016 to 2024
CMS Open Payments shows 17 general payments to Dr. Greenberg from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Myriad Genetic Laboratories, Inc. paid the most, $85.
General payments to Dr. Greenberg by program year, 2016 to 2024
Companies that paid Dr. Greenberg 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. Mandy Sher Greenberg graduated from St. George's University School of Medicine
Dr. Greenberg graduated from St. George's University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mandy Sher Greenberg'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Mandy Sher Greenberg
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. Mandy Sher Greenberg's NPI number?
Dr. Mandy Sher Greenberg's NPI number is 1043414436. It was assigned on June 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mandy Sher Greenberg?
Dr. Mandy Sher Greenberg is a surgical oncologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Mandy Sher Greenberg practice?
Dr. Greenberg practices at 100 Reserve Rd, Danbury, CT 06810. Dr. Greenberg's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dmand AI also links Dr. Greenberg to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Mandy Sher Greenberg's office phone number?
The practice phone on file for Dr. Greenberg is (203) 739-7742.
What is Dr. Mandy Sher Greenberg's medical license number?
Dr. Greenberg holds Connecticut license 49180.
Which hospitals is Dr. Mandy Sher Greenberg affiliated with?
Dr. Greenberg is affiliated with Northwell Danbury Hospital. Dmand AI links Dr. Greenberg to 2 more hospitals.
What medical group is Dr. Mandy Sher Greenberg part of?
Dr. Greenberg is linked to Danbury Medical Group. Dmand AI links Dr. Greenberg to 1 more medical group.
Does Dr. Mandy Sher Greenberg accept Medicare?
Yes. CMS data shows Dr. Greenberg billed Medicare for 168 services in 2024, and Dr. Greenberg accepts Medicare assignment.
How many Medicare patients does Dr. Mandy Sher Greenberg see?
CMS counts 113 Medicare patients who saw Dr. Greenberg in 2024, with an average age of 75.
What services does Dr. Mandy Sher Greenberg bill to Medicare?
In 2024, Dr. Greenberg's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Mandy Sher Greenberg go to medical school?
Dr. Greenberg graduated from St. George's University School of Medicine in 2003.
What drugs does Dr. Mandy Sher Greenberg prescribe most?
In 2021 Medicare Part D data, Dr. Greenberg's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Mandy Sher Greenberg received payments from drug or device companies?
CMS Open Payments shows $328 in general payments to Dr. Greenberg from 6 companies from 2016 to 2024. The largest total came from Myriad Genetic Laboratories, Inc.
How long has Dr. Mandy Sher Greenberg been practicing?
Dr. Greenberg graduated from medical school in 2003, 23 years ago.
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