Dr. Theresa Ryan, MD
- Medicare services, 2024
- 169
- Medicare patients, 2024
- 75
- Part D claims, 2024
- 14
- Publications
- 11
- Clinical trials
- 1
- Practice address
- 550 1st Ave, New York, NY 10016
- 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 - Tisch Hospital
New York, New York
Find Dr. Ryan'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. Theresa Ryan is a hematologist and oncologist in New York, New York
Dr. Ryan practices at NYU Langone - Tisch Hospital in New York, New York.
Dr. Ryan's NPI, 1598766503, was assigned on August 2, 2005. Dr. Ryan graduated from New York University School of Medicine in 1996. Dr. Ryan holds New York license 213963.
- NPI
- 1598766503NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173411626
- NPI enumeration date
- August 2, 2005
- 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
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Theresa Ryan practices at NYU Langone - Tisch Hospital in New York, New York
Dr. Ryan's primary practice is NYU Langone - Tisch Hospital, at 550 1st Ave, New York, NY 10016 in New York County. The practice phone is (212) 263-1481.
- NYU Langone - Tisch Hospital550 1st Ave, New York, NY 10016 · New York CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Theresa Ryan is affiliated with 5 sites of care and 1 medical group
Dr. Ryan's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dr. Ryan is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Ryan to 1 more hospital, 1 group practice or clinic and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Theresa Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone - Tisch Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Theresa Ryan is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Ryan is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Ryan
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. Theresa Ryan billed Medicare for 169 services in 2024
CMS data shows 169 Medicare services from Dr. Ryan across 2 procedure codes in 2024, for 75 Medicare patients. Medicare paid $12,594 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ryan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1972024: 16914%
Dr. Ryan compared with the New York median for hematologists and oncologists, 2024
- Dr. Ryan
- New York median
- Medicare services
- 169vs 66875% below
- Medicare patients
- 75vs 21064% below
- Part D claims
- 29vs 25889% below
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Ryan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Theresa Ryan treated 75 Medicare patients in 2024, average age 76
CMS counts 75 Medicare patients who saw Dr. Ryan in 2024. The largest group is 75 to 84, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 4.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ryan's median patient age at 68, with 43% women.
Dr. Ryan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ryan's Medicare patients by sex, 2024
- Women4357%
- Men3243%
Chronic conditions among Dr. Ryan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer71%
- Arthritis65%
- Ischemic heart disease65%
- Chronic kidney disease59%
- COPD48%
- Diabetes45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women43%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Theresa Ryan wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Ryan wrote 14 Medicare Part D claims. 79% of them were for generic drugs. They cover 2 drugs, with $244 in total drug cost. In 2016, CMS named 12 claims across 1 drug.
Dr. Ryan's Part D claims by kind of drug, 2024
- Generic11 claims79%
- Brand-name and other3 claims21%
Dr. Ryan's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 122017: 29142%
Drugs named by CMS: 2 in 2017, 1 in 2016.
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. Theresa Ryan 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. Ryan for performance year 2024, reported as part of a group. Dr. Ryan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ryan'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. Theresa Ryan has 11 publications on record
Dmand AI links 11 papers to Dr. Ryan, published from 2013 to 2024. 2018 was the busiest year, with 2. The most frequent topics are Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Antineoplastic Combined Chemotherapy Protocols and Interleukin-7. Dr. Ryan has published most often in Blood. Dr. Ryan's most frequent co-authors are David T. Teachey, MD, Stephen P. Hunger, MD and Caroline Jane Diorio, MD.
Dr. Ryan's papers by year, 2013 to 2024
Topics Dr. Ryan writes about most
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma
- Antineoplastic Combined Chemotherapy Protocols
- Interleukin-7
- Janus Kinases
- Precursor Cell Lymphoblastic Leukemia-Lymphoma
- Protein Kinase Inhibitors
- Signal Transduction
- Xenograft Model Antitumor Assays
Dr. Ryan's most frequent co-authors
- David T. Teachey, MD6 shared papers
- Stephen P. Hunger, MD4 shared papers
- Caroline Jane Diorio, MD3 shared papers
Recent publications by Dr. Ryan
See who Dr. Ryan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Theresa Ryan has worked on 1 clinical trial
Dmand AI links Dr. Ryan to 1 clinical trial. Conditions studied include Rectal Diseases and Colorectal Neoplasms.
Conditions in Dr. Ryan's trials
- Rectal Diseases
- Colorectal Neoplasms
Investigators on the most trials with Dr. Ryan
Recent clinical trials with Dr. Ryan
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Theresa Ryan received $47,166 in industry payments from 2016 to 2025
CMS Open Payments shows 118 general payments to Dr. Ryan from 5 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 97% of the total. Merck Sharp & Dohme Corporation paid the most, $45,750.
General payments to Dr. Ryan by program year, 2016 to 2025
General payments to Dr. Ryan by kind, 2016 to 2025
- Consulting fees$45,75097%
- Food and beverage$1,4163%
Companies that paid Dr. Ryan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Theresa Ryan graduated from New York University School of Medicine
Dr. Ryan graduated from New York University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Theresa Ryan'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 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Theresa Ryan
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. Theresa Ryan's NPI number?
Dr. Theresa Ryan's NPI number is 1598766503. It was assigned on August 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Theresa Ryan?
Dr. Theresa Ryan 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. Theresa Ryan practice?
Dr. Ryan practices at 550 1st Ave, New York, NY 10016. Dr. Ryan's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dmand AI also links Dr. Ryan to 1 hospital, 1 group practice or clinic and 1 hospice.
What is Dr. Theresa Ryan's office phone number?
The practice phone on file for Dr. Ryan is (212) 263-1481.
What is Dr. Theresa Ryan's medical license number?
Dr. Ryan holds New York license 213963.
Which hospitals is Dr. Theresa Ryan affiliated with?
Dr. Ryan is affiliated with Tisch Hospital. Dmand AI links Dr. Ryan to 1 more hospital.
What medical group is Dr. Theresa Ryan part of?
Dr. Ryan is linked to NYU Langone Orthopedic Surgery Associates.
Does Dr. Theresa Ryan accept Medicare?
Yes. CMS data shows Dr. Ryan billed Medicare for 169 services in 2024, and Dr. Ryan accepts Medicare assignment.
What is Dr. Theresa Ryan's MIPS score?
Dr. Ryan'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. Theresa Ryan see?
CMS counts 75 Medicare patients who saw Dr. Ryan in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Theresa Ryan bill to Medicare?
In 2024, Dr. Ryan's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Theresa Ryan go to medical school?
Dr. Ryan graduated from New York University School of Medicine in 1996.
What drugs does Dr. Theresa Ryan prescribe most?
In 2017 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Pantoprazole Sodium and Montelukast Sodium.
Has Dr. Theresa Ryan received payments from drug or device companies?
CMS Open Payments shows $47,166 in general payments to Dr. Ryan from 5 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Theresa Ryan been practicing?
Dr. Ryan graduated from medical school in 1996, 30 years ago.
Does Dr. Theresa Ryan do research?
Dmand AI links 11 publications to Dr. Ryan, published from 2013 to 2024. Dr. Ryan has worked on 1 clinical trial.
Who does Dr. Theresa Ryan publish with?
Dr. Ryan's most frequent co-authors are David T. Teachey, MD (6 shared papers), Stephen P. Hunger, MD (4 shared papers) and Caroline Jane Diorio, MD (3 shared papers).
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