Dr. Margaretta Masse, MD
- Medicare services, 2024
- 784
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 761
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 1991 Marcus Avenue, Lake Success, NY 11042
- Practice phone
- Call (317) 796-7565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Hyde Park Endoscopy
Surgery Center - Medicare-Certified · Lake Success, New York
Find Dr. Masse'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. Margaretta Masse is a dermatologist in New Hyde Park, New York
Dr. Masse practices at New Hyde Park Endoscopy in Lake Success, New York.
Dr. Masse's NPI, 1831652528, was assigned on April 9, 2019. Dr. Masse graduated from Donald and Barbara Zucker School of Medicine at Hofstra/Northwell in 2019. Dr. Masse holds New York license 322171.
- NPI
- 1831652528NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890023436
- NPI enumeration date
- April 9, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 796-7565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaretta Masse practices at New Hyde Park Endoscopy in Lake Success, New York
Dr. Masse's primary practice is New Hyde Park Endoscopy, at 1991 Marcus Avenue, Lake Success, NY 11042. The practice phone is (317) 796-7565.
- New Hyde Park Endoscopy1991 Marcus Avenue, Lake Success, NY 11042Phone(317) 796-7565
Source: Dmand AI Affiliation Data
Dr. Margaretta Masse is affiliated with 3 sites of care and 2 medical groups
Dr. Masse's primary practice is New Hyde Park Endoscopy in Lake Success, New York. Dr. Masse is also affiliated with Lenox Hill Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Masse to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Margaretta Masse's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masse practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Hyde Park Endoscopy | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margaretta Masse is one of 1,038 dermatologists in New York
Dermatology is Dr. Masse's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Masse is licensed in New York.
Specialties and state licenses
- Dermatology, New YorkPrimary
Dermatologists near Dr. Masse
Counts of dermatologists 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. Margaretta Masse billed Medicare for 784 services in 2024
CMS data shows 784 Medicare services from Dr. Masse across 10 procedure codes in 2024, for 297 Medicare patients. Medicare paid $55,750 for them. Every service was in an office.
Dr. Masse's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 962024: 404321%
- Surgery
- 2023: 262024: 3801362%
Dr. Masse compared with the New York median for dermatologists, 2024
- Dr. Masse
- New York median
- Medicare services
- 784vs 1,01623% below
- Medicare patients
- 297vs 3248% below
- Part D claims
- 606vs 33481% above
Medians across 1,022 dermatologists in New York with Dmand AI profiles that report each measure.
Dr. Masse'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. Masse and other dermatologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaretta Masse treated 297 Medicare patients in 2024, average age 73
CMS counts 297 Medicare patients who saw Dr. Masse in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Masse's median patient age at 51, with 60% women.
Dr. Masse's Medicare patients by age, 2024
Dr. Masse's Medicare patients by sex, 2024
- Women19365%
- Men10435%
Chronic conditions among Dr. Masse's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis46%
- Diabetes32%
- Ischemic heart disease29%
- Anxiety26%
- Osteoporosis21%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Masse's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women60%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Margaretta Masse wrote 761 Medicare Part D claims in 2024
In 2024, Dr. Masse wrote 761 Medicare Part D claims for 248 patients. 93% of them were for generic drugs. CMS names the drug for 606 of them, across 14 drugs with 11 or more claims each, at $103,094 in total drug cost. In 2023, CMS named 102 claims across 6 drugs.
Dr. Masse's Part D claims by kind of drug, 2024
- Generic705 claims93%
- Brand-name56 claims7%
Dr. Masse'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.
Drug classes CMS tracks in Dr. Masse's Part D claims, 2024
- Antibiotics2%18 of 761 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1022024: 606494%
Drugs named by CMS: 14 in 2024, 6 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. Margaretta Masse scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Masse for performance year 2024, reported through an alternative payment model (APM). Dr. Masse accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 438 procedures of removal of skin lesions by Dr. Masse, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Masse's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Masse ranks in Medicare procedure volume
- Removal of skin lesions
- 85th percentile438 procedures
- Skin biopsy
- 83rd percentile176 procedures
- Melanoma (skin cancer) excision
- 66th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Margaretta Masse received $5,511 in industry payments from 2022 to 2025
CMS Open Payments shows 22 general payments to Dr. Masse from 7 drug and device companies from 2022 to 2025. Consulting fees make up the largest share, 71% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $5,075.
General payments to Dr. Masse by program year, 2022 to 2025
General payments to Dr. Masse by kind, 2022 to 2025
- Consulting fees$3,90071%
- Travel and lodging$90116%
- Food and beverage$71013%
Companies that paid Dr. Masse the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Margaretta Masse graduated from Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Dr. Masse graduated from Donald and Barbara Zucker School of Medicine at Hofstra/Northwell in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Margaretta Masse'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 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)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. Margaretta Masse
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. Margaretta Masse's NPI number?
Dr. Margaretta Masse's NPI number is 1831652528. It was assigned on April 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaretta Masse?
Dr. Margaretta Masse is a dermatologist in New Hyde Park, New York. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Margaretta Masse practice?
Dr. Masse practices at 1991 Marcus Avenue, Lake Success, NY 11042. Dr. Masse's primary practice is New Hyde Park Endoscopy in Lake Success, New York. Dmand AI also links Dr. Masse to 1 group practice or clinic and 1 medical group.
What is Dr. Margaretta Masse's office phone number?
The practice phone on file for Dr. Masse is (317) 796-7565.
What is Dr. Margaretta Masse's medical license number?
Dr. Masse holds New York license 322171.
Which hospitals is Dr. Margaretta Masse affiliated with?
Dr. Masse is affiliated with Lenox Hill Hospital.
What medical group is Dr. Margaretta Masse part of?
Dr. Masse is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Masse to 1 more medical group.
Does Dr. Margaretta Masse accept Medicare?
Yes. CMS data shows Dr. Masse billed Medicare for 784 services in 2024, and Dr. Masse accepts Medicare assignment.
What is Dr. Margaretta Masse's MIPS score?
Dr. Masse's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Margaretta Masse see?
CMS counts 297 Medicare patients who saw Dr. Masse in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Margaretta Masse bill to Medicare?
In 2024, Dr. Masse's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Margaretta Masse go to medical school?
Dr. Masse graduated from Donald and Barbara Zucker School of Medicine at Hofstra/Northwell in 2019.
What drugs does Dr. Margaretta Masse prescribe most?
In 2024 Medicare Part D data, Dr. Masse's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Hydrocortisone.
Has Dr. Margaretta Masse received payments from drug or device companies?
CMS Open Payments shows $5,511 in general payments to Dr. Masse from 7 companies from 2022 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Margaretta Masse been practicing?
Dr. Masse graduated from medical school in 2019, 7 years ago.
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