Dr. Gregory Lee Riley II, MD
- Part D claims, 2024
- 62
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 550 First Avenue, New York, NY 10016
- Practice phone
- Call (212) 263-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Riley'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. Gregory Lee Riley II is a hospitalist in New York, New York
Dr. Riley practices at Tisch Hospital in New York, New York, part of NYU.
Dr. Riley's NPI, 1649968116, was assigned on April 24, 2023. Dr. Riley holds New York license 341499.
- NPI
- 1649968116NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810465093
- NPI enumeration date
- April 24, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 263-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lee Riley II practices at Tisch Hospital in New York, New York
Dr. Riley's primary practice is Tisch Hospital, at 550 First Avenue, New York, NY 10016 in New York County. The practice phone is (212) 263-7300.
- Tisch Hospital550 First Avenue, New York, NY 10016 · New York CountyPhone(212) 263-7300
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Lee Riley II is affiliated with 1 site of care and 1 medical group
Dr. Riley's primary practice is Tisch Hospital in New York, New York, part of NYU. The medical group on file is NYU Langone Orthopedic Surgery Associates.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Lee Riley II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tisch Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Lee Riley II is one of 1,796 hospitalists in New York
Hospitalist is Dr. Riley's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Riley is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Dr. Riley
Counts of hospitalists 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. Gregory Lee Riley II's patients have a median age of 30
Across all payers, Dmand AI patient panel data puts Dr. Riley's median patient age at 30, with 50% women.
Dr. Riley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 30
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Gregory Lee Riley II wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Riley wrote 62 Medicare Part D claims for 18 patients. 92% of them were for generic drugs.
Dr. Riley's Part D claims by kind of drug, 2024
- Generic57 claims92%
- Brand-name and other5 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory Lee Riley II takes part in Medicare
Dr. Riley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Gregory Lee Riley II'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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. Gregory Lee Riley II
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. Gregory Lee Riley II's NPI number?
Dr. Gregory Lee Riley II's NPI number is 1649968116. It was assigned on April 24, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Lee Riley II?
Dr. Gregory Lee Riley II is a hospitalist in New York, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Gregory Lee Riley II practice?
Dr. Riley practices at 550 First Avenue, New York, NY 10016. Dr. Riley's primary practice is Tisch Hospital in New York, New York, part of NYU.
What is Dr. Gregory Lee Riley II's office phone number?
The practice phone on file for Dr. Riley is (212) 263-7300.
What is Dr. Gregory Lee Riley II's medical license number?
Dr. Riley holds New York license 341499.
Which hospitals is Dr. Gregory Lee Riley II affiliated with?
Dr. Riley practices at Tisch Hospital in New York, New York.
What medical group is Dr. Gregory Lee Riley II part of?
Dr. Riley is linked to NYU Langone Orthopedic Surgery Associates.
Does Dr. Gregory Lee Riley II accept Medicare?
Yes. CMS lists Dr. Riley as accepting Medicare assignment.
How long has Dr. Gregory Lee Riley II been practicing?
Dr. Riley graduated from medical school in 2023, 3 years ago.
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