Dr. Brian Flaherty, MD
- Medicare services, 2024
- 1,422
- Medicare patients, 2024
- 380
- Part D claims, 2024
- 505
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Practice address
- 14 Wall St, New York, NY 10005
- Practice phone
- Call (212) 263-1481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone Perlmutter Cancer Center - 34th St
New York, New York
Find Dr. Flaherty's professional email, personal email and mobile number
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Dr. Brian Flaherty is a hematologist and oncologist in New York, New York
Dr. Flaherty practices at NYU Langone Perlmutter Cancer Center - 34th St in New York, New York.
Dr. Flaherty's NPI, 1083666846, was assigned on May 17, 2006. Dr. Flaherty graduated from Universidad de Guadalajara in 1985. Dr. Flaherty holds New York license 175318.
- NPI
- 1083666846NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406982057
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 263-1481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Flaherty practices at NYU Langone Perlmutter Cancer Center - 34th St in New York, New York
Dr. Flaherty's primary practice is NYU Langone Perlmutter Cancer Center - 34th St, at 14 Wall St, New York, NY 10005 in New York County. The practice phone is (212) 263-1481.
- NYU Langone Perlmutter Cancer Center - 34th St14 Wall St, New York, NY 10005 · New York CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian Flaherty is affiliated with 3 sites of care and 2 medical groups
Dr. Flaherty's primary practice is NYU Langone Perlmutter Cancer Center - 34th St in New York, New York. Dr. Flaherty is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Flaherty to 1 more group practice or clinic 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. Brian Flaherty's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flaherty practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone Perlmutter Cancer Center - 34th St | 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. Brian Flaherty is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Flaherty's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Flaherty is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Flaherty
Counts of hematologists and 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. Brian Flaherty billed Medicare for 1,422 services in 2024
CMS data shows 1,422 Medicare services from Dr. Flaherty across 4 procedure codes in 2024, for 380 Medicare patients. Medicare paid $81,987 for them. Every service was in an office.
Dr. Flaherty's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0042024: 81319%
- Surgery
- 2023: 6902024: 60912%
Dr. Flaherty compared with the New York median for hematologists and oncologists, 2024
- Dr. Flaherty
- New York median
- Medicare services
- 1,422vs 6682.1 times
- Medicare patients
- 380vs 21081% above
- Part D claims
- 368vs 25843% above
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Flaherty'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. Flaherty and other hematologists and oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian Flaherty treated 380 Medicare patients in 2024, average age 75
CMS counts 380 Medicare patients who saw Dr. Flaherty in 2024. The largest group is 75 to 84, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Flaherty's median patient age at 65, with 71% women.
Dr. Flaherty's Medicare patients by age, 2024
Dr. Flaherty's Medicare patients by sex, 2024
- Women26068%
- Men12032%
Chronic conditions among Dr. Flaherty's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes52%
- Cancer43%
- Ischemic heart disease37%
- COPD26%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flaherty's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women71%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian Flaherty wrote 505 Medicare Part D claims in 2024
In 2024, Dr. Flaherty wrote 505 Medicare Part D claims for 115 patients. 76% of them were for generic drugs. CMS names the drug for 368 of them, across 11 drugs with 11 or more claims each, at $634,902 in total drug cost. In 2023, CMS named 377 claims across 11 drugs.
Dr. Flaherty's Part D claims by kind of drug, 2024
- Generic382 claims76%
- Brand-name123 claims24%
Dr. Flaherty'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3772024: 3682%
Drugs named by CMS: 11 in 2024, 11 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. Brian Flaherty scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Flaherty for performance year 2024, reported as part of a group. Dr. Flaherty accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Flaherty's MIPS scores, performance year 2024
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
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. Brian Flaherty received $1,015 in industry payments from 2016 to 2023
CMS Open Payments shows 18 general payments to Dr. Flaherty from 11 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 52% of the total. Amgen Inc. paid the most, $231.
General payments to Dr. Flaherty by program year, 2016 to 2023
General payments to Dr. Flaherty by kind, 2016 to 2023
- Food and beverage$53052%
- Education$33533%
- Honoraria$15015%
Companies that paid Dr. Flaherty the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian Flaherty graduated from Universidad de Guadalajara
Dr. Flaherty graduated from Universidad de Guadalajara in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Flaherty'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) |
| 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. Brian Flaherty
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. Brian Flaherty's NPI number?
Dr. Brian Flaherty's NPI number is 1083666846. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Flaherty?
Dr. Brian Flaherty is a hematologist and oncologist in New York, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Brian Flaherty practice?
Dr. Flaherty practices at 14 Wall St, New York, NY 10005. Dr. Flaherty's primary practice is NYU Langone Perlmutter Cancer Center - 34th St in New York, New York. Dmand AI also links Dr. Flaherty to 1 group practice or clinic and 1 medical group.
What is Dr. Brian Flaherty's office phone number?
The practice phone on file for Dr. Flaherty is (212) 263-1481.
What is Dr. Brian Flaherty's medical license number?
Dr. Flaherty holds New York license 175318.
Which hospitals is Dr. Brian Flaherty affiliated with?
Dr. Flaherty is affiliated with Tisch Hospital.
What medical group is Dr. Brian Flaherty part of?
Dr. Flaherty is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Dr. Flaherty to 1 more medical group.
Does Dr. Brian Flaherty accept Medicare?
Yes. CMS data shows Dr. Flaherty billed Medicare for 1,422 services in 2024, and Dr. Flaherty accepts Medicare assignment.
What is Dr. Brian Flaherty's MIPS score?
Dr. Flaherty's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Brian Flaherty see?
CMS counts 380 Medicare patients who saw Dr. Flaherty in 2024, with an average age of 75.
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What services does Dr. Brian Flaherty bill to Medicare?
In 2024, Dr. Flaherty's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Brian Flaherty go to medical school?
Dr. Flaherty graduated from Universidad de Guadalajara in 1985.
What drugs does Dr. Brian Flaherty prescribe most?
In 2024 Medicare Part D data, Dr. Flaherty's most prescribed drugs by claims were Hydroxyurea, Letrozole and Anastrozole.
Has Dr. Brian Flaherty received payments from drug or device companies?
CMS Open Payments shows $1,015 in general payments to Dr. Flaherty from 11 companies from 2016 to 2023. The largest total came from Amgen Inc.
How long has Dr. Brian Flaherty been practicing?
Dr. Flaherty graduated from medical school in 1985, 41 years ago.
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