Dr. Mathew Birnbaum, MD

  • Greenlawn, NY
  • Dermatologist
NPI1306334388PAC ID8820334071
Medicare services, 2024
1,827
Medicare patients, 2024
856
Part D claims, 2024
925
Publications
8
Industry payments
$20
Practice address
5 Cuba Hill Road, Greenlawn, NY 11740
Practice phone
Call (631) 628-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mount Sinai Doctors-Greenlawn

Mammography / Breast Imaging Center · Greenlawn, New York

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Dr. Mathew Birnbaum is a dermatologist in Greenlawn, New York

Dr. Birnbaum practices at Mount Sinai Doctors-Greenlawn in Greenlawn, New York.

Dr. Birnbaum's NPI, 1306334388, was assigned on April 25, 2018. Dr. Birnbaum graduated from Albert Einstein College of Medicine of Yeshiva University in 2018. Dr. Birnbaum holds New York license 315891.

NPI and contact details
Medicare PAC ID
8820334071
NPI enumeration date
April 25, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(631) 628-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mathew Birnbaum practices at Mount Sinai Doctors-Greenlawn in Greenlawn, New York

Dr. Birnbaum's primary practice is Mount Sinai Doctors-Greenlawn, at 5 Cuba Hill Road, Greenlawn, NY 11740. The practice phone is (631) 628-5000.

  • Mount Sinai Doctors-Greenlawn
    5 Cuba Hill Road, Greenlawn, NY 11740Phone(631) 628-5000

Source: Dmand AI Affiliation Data

Dr. Mathew Birnbaum is affiliated with 2 sites of care and 1 medical group

Dr. Birnbaum's primary practice is Mount Sinai Doctors-Greenlawn in Greenlawn, New York. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Birnbaum to 1 more group practice or clinic, named with a free account. Dr. Birnbaum's employer is on file too: a breast imaging center.

See all 3 affiliations for Dr. Birnbaum

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mathew Birnbaum's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Birnbaum practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Sinai Doctors-GreenlawnAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mathew Birnbaum is one of 1,038 dermatologists in New York

Dermatology is Dr. Birnbaum's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Birnbaum is licensed in New York.

Specialties and state licenses

  • Dermatology, New YorkPrimaryLicense 315891 · taxonomy 207N00000X

Dermatologists near Dr. Birnbaum

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

1,038dermatologists in New York
3dermatologists in Greenlawn

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mathew Birnbaum billed Medicare for 1,827 services in 2024

CMS data shows 1,827 Medicare services from Dr. Birnbaum across 12 procedure codes in 2024, for 856 Medicare patients. Medicare paid $141,455 for them. Every service was in an office.

Medicare services, 20241,827
Medicare patients856
Paid by Medicare$141,455
Procedure codes12

Dr. Birnbaum's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,0812024: 1,18710%
Surgery
2023: 8012024: 64020%

Dr. Birnbaum compared with the New York median for dermatologists, 2024

  • Dr. Birnbaum
  • New York median
Medicare services
1,827vs 1,01680% above
Medicare patients
856vs 3242.6 times
Part D claims
849vs 3342.5 times

Medians across 1,022 dermatologists in New York with Dmand AI profiles that report each measure.

Dr. Birnbaum'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.

See all procedures by Dr. Birnbaum

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mathew Birnbaum treated 856 Medicare patients in 2024, average age 75

CMS counts 856 Medicare patients who saw Dr. Birnbaum in 2024. The largest group is 65 to 74, with 365 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Birnbaum's median patient age at 62, with 46% women.

Medicare patients, 2024856
Average age75
Average risk score1.07
Also on Medicaid6%

Dr. Birnbaum's Medicare patients by age, 2024

Dr. Birnbaum's Medicare patients by sex, 2024

  • Women39246%
  • Men46454%

Chronic conditions among Dr. Birnbaum's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis50%
  4. Ischemic heart disease35%
  5. Diabetes26%
  6. Anxiety22%
  7. Chronic kidney disease19%
  8. Cancer18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Birnbaum's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women46%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mathew Birnbaum wrote 925 Medicare Part D claims in 2024

In 2024, Dr. Birnbaum wrote 925 Medicare Part D claims for 437 patients. 92% of them were for generic drugs. CMS names the drug for 849 of them, across 19 drugs with 11 or more claims each, at $108,194 in total drug cost. In 2023, CMS named 568 claims across 10 drugs.

Part D claims, 2024925
Drugs named by CMS19
Total drug cost$108,194
Part D patients437

Dr. Birnbaum's Part D claims by kind of drug, 2024

  • Generic851 claims92%
  • Brand-name74 claims8%

Dr. Birnbaum'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. Birnbaum's Part D claims, 2024

  • Antibiotics5%43 of 925 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: 5682024: 84949%

Drugs named by CMS: 19 in 2024, 10 in 2023.

See all prescribing by Dr. Birnbaum

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. Mathew Birnbaum ranks in the 87th percentile for removal of skin lesions in Medicare

Dr. Birnbaum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 512 procedures of removal of skin lesions by Dr. Birnbaum, more than 87% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Birnbaum ranks in Medicare procedure volume

Removal of skin lesions
87th percentile512 procedures
Skin biopsy
81st percentile151 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Mathew Birnbaum has 8 publications on record

Dmand AI links 8 papers to Dr. Birnbaum, published from 2017 to 2021. 2017 was the busiest year, with 2. The most frequent topics are Radiodermatitis. Dr. Birnbaum's most frequent co-authors are Beth N. McLellan, MD, David Hermogenes Ciocon, MD and Steven R. Cohen, MD.

Papers8
Years published2017 to 2021

Dr. Birnbaum's papers by year, 2017 to 2021

Topics Dr. Birnbaum writes about most

  • Radiodermatitis

Dr. Birnbaum's most frequent co-authors

Recent publications by Dr. Birnbaum

See all 8 publications and co-authors

See who Dr. Birnbaum researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Birnbaum works with, so you can find a warm path to the right dermatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mathew Birnbaum received $20 in industry payments in 2022

CMS Open Payments shows 1 general payment to Dr. Birnbaum from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Incyte Corporation paid the most, $20.

Companies that paid Dr. Birnbaum the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Birnbaum

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mathew Birnbaum graduated from Albert Einstein College of Medicine of Yeshiva University

Dr. Birnbaum graduated from Albert Einstein College of Medicine of Yeshiva University in 2018.

  1. Medical schoolAlbert Einstein College of Medicine of Yeshiva University

Source: Dmand AI Professional Profile Data

Sources for Dr. Mathew Birnbaum's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mathew Birnbaum

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. Mathew Birnbaum's NPI number?

Dr. Mathew Birnbaum's NPI number is 1306334388. It was assigned on April 25, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Mathew Birnbaum?

Dr. Mathew Birnbaum is a dermatologist in Greenlawn, New York. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Mathew Birnbaum practice?

Dr. Birnbaum practices at 5 Cuba Hill Road, Greenlawn, NY 11740. Dr. Birnbaum's primary practice is Mount Sinai Doctors-Greenlawn in Greenlawn, New York. Dmand AI also links Dr. Birnbaum to 1 group practice or clinic.

What is Dr. Mathew Birnbaum's office phone number?

The practice phone on file for Dr. Birnbaum is (631) 628-5000.

What is Dr. Mathew Birnbaum's medical license number?

Dr. Birnbaum holds New York license 315891.

What medical group is Dr. Mathew Birnbaum part of?

Dr. Birnbaum is linked to Mount Sinai Doctors Long Island.

Does Dr. Mathew Birnbaum accept Medicare?

Yes. CMS data shows Dr. Birnbaum billed Medicare for 1,827 services in 2024, and Dr. Birnbaum accepts Medicare assignment.

How many Medicare patients does Dr. Mathew Birnbaum see?

CMS counts 856 Medicare patients who saw Dr. Birnbaum in 2024, with an average age of 75.

What services does Dr. Mathew Birnbaum bill to Medicare?

In 2024, Dr. Birnbaum's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: skin and soft tissue (17000).

Where did Dr. Mathew Birnbaum go to medical school?

Dr. Birnbaum graduated from Albert Einstein College of Medicine of Yeshiva University in 2018.

Show 5 more questionsShow fewer questions

What drugs does Dr. Mathew Birnbaum prescribe most?

In 2024 Medicare Part D data, Dr. Birnbaum's most prescribed drugs by claims were Triamcinolone Acetonide, Hydrocortisone and Ketoconazole.

Has Dr. Mathew Birnbaum received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Dr. Birnbaum from 1 company from 2022 to 2022. The largest total came from Incyte Corporation.

How long has Dr. Mathew Birnbaum been practicing?

Dr. Birnbaum graduated from medical school in 2018, 8 years ago.

Does Dr. Mathew Birnbaum do research?

Dmand AI links 8 publications to Dr. Birnbaum, published from 2017 to 2021.

Who does Dr. Mathew Birnbaum publish with?

Dr. Birnbaum's most frequent co-authors are Beth N. McLellan, MD (7 shared papers), David Hermogenes Ciocon, MD (1 shared paper) and Steven R. Cohen, MD (1 shared paper).

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