Dr. George Alfred Diaz, MD, PhD
- Part D claims, 2023
- 59
- Publications
- 72
- Clinical trials
- 10
- Hospital affiliations
- 1
- Industry payments
- $79,991
- Practice address
- One Gustave L Levy Place, New York, NY 10029
- Practice phone
- Call (212) 241-7981
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Diaz's professional email, personal email and mobile number
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Dr. George Alfred Diaz is a clinical genetics (m.d.) physician in New York, New York
Dr. Diaz practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.
Dr. Diaz's NPI, 1952364952, was assigned on April 10, 2006. Dr. Diaz graduated from SUNY Downstate Health Sciences University in 1994. Dr. Diaz holds New York license 200748.
- NPI
- 1952364952NPI Registry (opens in a new tab)
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Practice phone
- (212) 241-7981
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George Alfred Diaz practices at 2 locations in New York, New York
Dr. Diaz's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981. The NPI Registry lists Dr. Diaz's practice address as 1 Gustave L Levy Pl, New York, NY 10029.
- The Mount Sinai HospitalPrimaryOne Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
- NPI Registry address1 Gustave L Levy Pl, New York, NY 10029 · New York CountyPhone(212) 241-6947
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. George Alfred Diaz is affiliated with 1 site of care and 1 medical group
Dr. Diaz's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. The medical group on file is Mount Sinai Institute for Liver Medicine.
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. George Alfred Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Mount Sinai Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. George Alfred Diaz is one of 60 clinical genetics (m.d.) physicians in New York
Clinical genetics (m.d.) is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207SG0201X. Dr. Diaz is board certified in clinical genetics and genomics by the American Board of Medical Genetics and Genomics. Dr. Diaz is licensed in New York.
Specialties and state licenses
- Clinical genetics (m.d.), New YorkPrimary
Clinical focus
Dmand AI lists intellectual and developmental disabilities and vitamin b deficiency among the conditions Dr. Diaz treats.
Clinical genetics (m.d.) physicians near Dr. Diaz
Counts of clinical genetics (m.d.) physicians 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. George Alfred Diaz's patients have a median age of 30
Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 30, with 50% women.
Dr. Diaz'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. George Alfred Diaz wrote 59 Medicare Part D claims in 2023
In 2023, Dr. Diaz wrote 59 Medicare Part D claims. They cover 2 drugs, with $4,594,319 in total drug cost. In 2022, CMS named 85 claims across 4 drugs.
Dr. Diaz's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 852023: 5931%
Drugs named by CMS: 2 in 2023, 4 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. George Alfred Diaz has 72 publications on record
Dmand AI links 72 papers to Dr. Diaz, published from 2000 to 2025. 2023 was the busiest year, with 7. The most frequent topics are Molecular Sequence Data, Base Sequence and Genetic Testing. Dr. Diaz has published most often in Mol Genet Metab. Dr. Diaz's most frequent co-authors are Melissa Pittel Wasserstein, MD, Noura Serene Abul-Husn, MD, PhD and John Murray Greally, MB, PhD.
Dr. Diaz's papers by year, 2014 to 2025
Topics Dr. Diaz writes about most
- Molecular Sequence Data
- Base Sequence
- Genetic Testing
- Chromosome Mapping
- Alleles
- Founder Effect
- Genes, Recessive
- Haplotypes
Dr. Diaz's most frequent co-authors
- Melissa Pittel Wasserstein, MD13 shared papers
- Noura Serene Abul-Husn, MD, PhD5 shared papers
- John Murray Greally, MB, PhD5 shared papers
Recent publications by Dr. Diaz
Telemed J E Health
See who Dr. Diaz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Diaz works with, so you can find a warm path to the right clinical genetics (m.d.) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. George Alfred Diaz has worked on 10 clinical trials
Dmand AI links Dr. Diaz to 10 clinical trials, 3 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Urea Cycle Disorders, Inborn, Niemann-Pick Disease, Type A and Amino Acid Metabolism, Inborn Errors. Genzyme, a Sanofi Company sponsors the most, 3. Open Payments lists research payments to Dr. Diaz that name 3 trials.
Clinical trials with Dr. Diaz by phase
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- 3Phase 2: 3 trials
- NonePhase 3: no trials
- 1Phase 4: 1 trial
Conditions in Dr. Diaz's trials
- Urea Cycle Disorders, Inborn
- Niemann-Pick Disease, Type A
- Amino Acid Metabolism, Inborn Errors
- Niemann-Pick Diseases
- Hyperargininemia
Investigators on the most trials with Dr. Diaz
- Renata C. Gallagher, MD5 shared trials
- Susan Amelia Berry, MD4 shared trials
- Cary Owen Harding, MD4 shared trials
Recent clinical trials with Dr. Diaz
A Study of AEB1102 (Pegzilarginase) in Patients With Arginase I Deficiency (opens in a new tab)
A Phase 1/2 Study of AEB1102 in Patients With Arginase I Deficiency (opens in a new tab)
Short-Term Outcome of N-Carbamylglutamate in the Treatment of Acute Hyperammonemia (opens in a new tab)
Oxidative Stress, Inflammation and Acute Decompensation in Urea Cycle Disorders (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. George Alfred Diaz received $79,991 in industry payments from 2016 to 2023
CMS Open Payments shows 70 general payments to Dr. Diaz from 5 drug and device companies from 2016 to 2023. Honoraria make up the largest share, 44% of the total. Horizon Pharma plc paid the most, $44,851. It also lists 30 research payments totaling $14,024 from 2019 to 2025, naming 3 clinical trials.
General payments to Dr. Diaz by program year, 2016 to 2023
General payments to Dr. Diaz by kind, 2016 to 2023
- Honoraria$35,46044%
- Consulting fees$33,11241%
- Speaker and faculty fees$7,5319%
- Travel and lodging$3,0424%
- Other$8471%
Companies that paid Dr. Diaz 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. George Alfred Diaz has 7 awards and honors on record
Dmand AI lists 7 awards for Dr. Diaz, most recently America's Top Doctors in 2016.
Awards and honors for Dr. Diaz
- 2016
- America's Top Doctors
- New York Top Doctors
- 2012
- New York Super Doctors
- 2006
- Society for Inherited Metabolic Diseases (Honor Society)
- 2005
- Society for Pediatric Research (Honor Society)
- 2000
- March of Dimes Basil O'Connor Starter Scholar Award
Source: Dmand AI Professional Profile Data
Dr. George Alfred Diaz graduated from SUNY Downstate Health Sciences University
Dr. Diaz graduated from SUNY Downstate Health Sciences University in 1994.
- Medical school
- Board certified in clinical genetics and genomics
Source: Dmand AI Professional Profile Data
Dr. George Alfred Diaz accepts plans from 5 insurance carriers
Dr. Diaz is in network with 5 carriers, including Horizon Blue Cross Blue Shield of New Jersey, Blue Cross Blue Shield of Massachusetts and HCSC. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Horizon Blue Cross Blue Shield of New Jersey
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- NY State Medicaid
Plan types Dr. Diaz accepts, by number of carriers
- PPO4
- Medicare3
- EPO1
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. George Alfred Diaz'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 and Drug (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. George Alfred Diaz
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. George Alfred Diaz's NPI number?
Dr. George Alfred Diaz's NPI number is 1952364952. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George Alfred Diaz?
Dr. George Alfred Diaz is a clinical genetics (m.d.) physician in New York, New York. The primary specialty in the NPI Registry is Clinical Genetics (M.D.) Physician (taxonomy code 207SG0201X).
Where does Dr. George Alfred Diaz practice?
Dr. Diaz practices at One Gustave L Levy Place, New York, NY 10029. Dr. Diaz also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Diaz's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.
What is Dr. George Alfred Diaz's office phone number?
The practice phone on file for Dr. Diaz is (212) 241-7981.
What is Dr. George Alfred Diaz's medical license number?
Dr. Diaz holds New York license 200748.
Which hospitals is Dr. George Alfred Diaz affiliated with?
Dr. Diaz practices at The Mount Sinai Hospital in New York, New York.
What medical group is Dr. George Alfred Diaz part of?
Dr. Diaz is linked to Mount Sinai Institute for Liver Medicine.
Is Dr. George Alfred Diaz board certified?
Yes. Dr. Diaz is board certified in clinical genetics and genomics by the American Board of Medical Genetics and Genomics.
Where did Dr. George Alfred Diaz go to medical school?
Dr. Diaz graduated from SUNY Downstate Health Sciences University in 1994.
What drugs does Dr. George Alfred Diaz prescribe most?
In 2023 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Ravicti and Cystadane.
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Has Dr. George Alfred Diaz received payments from drug or device companies?
CMS Open Payments shows $79,991 in general payments to Dr. Diaz from 5 companies from 2016 to 2023. The largest total came from Horizon Pharma plc.
How long has Dr. George Alfred Diaz been practicing?
Dr. Diaz graduated from medical school in 1994, 32 years ago.
Does Dr. George Alfred Diaz do research?
Dmand AI links 72 publications to Dr. Diaz, published from 2000 to 2025. Dr. Diaz has worked on 10 clinical trials.
Who does Dr. George Alfred Diaz publish with?
Dr. Diaz's most frequent co-authors are Melissa Pittel Wasserstein, MD (13 shared papers), Noura Serene Abul-Husn, MD, PhD (5 shared papers) and John Murray Greally, MB, PhD (5 shared papers).
What insurance does Dr. George Alfred Diaz accept?
Dr. Diaz is in network with 5 carriers, including Horizon Blue Cross Blue Shield of New Jersey, Blue Cross Blue Shield of Massachusetts and HCSC. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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