Gregory Fernandez
- Medicare services, 2024
- 93
- Medicare patients, 2024
- 105
- Part D claims, 2024
- 27
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 355 Bard Avenue, Staten Island, NY 10310
- Practice phone
- Call (718) 354-5047
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Fernandez'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.
Gregory Fernandez is an emergency medicine physician in Staten Island, New York
Gregory Fernandez practices at Richmond University Medical Center in Staten Island, New York, part of Richmond University Medical Center.
Gregory Fernandez's NPI, 1750775979, was assigned on March 25, 2015. Gregory Fernandez graduated from New York University School of Medicine in 2015. Gregory Fernandez holds New York license 300071.
- NPI
- 1750775979NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941536676
- NPI enumeration date
- March 25, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 354-5047
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Fernandez practices at Richmond University Medical Center in Staten Island, New York
Gregory Fernandez's primary practice is Richmond University Medical Center, at 355 Bard Avenue, Staten Island, NY 10310 in Richmond County. The practice phone is (718) 354-5047.
- Richmond University Medical Center355 Bard Avenue, Staten Island, NY 10310 · Richmond CountyPhone(718) 354-5047
Source: Dmand AI Affiliation Data
Gregory Fernandez is affiliated with 3 sites of care and 4 medical groups
Gregory Fernandez's primary practice is Richmond University Medical Center in Staten Island, New York, part of Richmond University Medical Center. Gregory Fernandez is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Gregory Fernandez to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Fernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Fernandez practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond University Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | 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 Richmond University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Fernandez is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Gregory Fernandez's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Gregory Fernandez is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Gregory Fernandez
Counts of emergency medicine 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
Gregory Fernandez billed Medicare for 93 services in 2024
CMS data shows 93 Medicare services from Gregory Fernandez across 2 procedure codes in 2024, for 105 Medicare patients. Medicare paid $11,772 for them. Every service was in a facility, such as a hospital, rather than an office.
Gregory Fernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3072024: 9370%
- Tests and treatments
- 2023: 872024: 0100%
Gregory Fernandez compared with the New York median for emergency medicine physicians, 2024
- Gregory Fernandez
- New York median
- Medicare services
- 93vs 21958% below
- Medicare patients
- 105vs 21651% below
- Part D claims
- 11vs 2962% below
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Gregory Fernandez'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.
Need commercial claims for Gregory Fernandez?
Medicare shows one payer. Book a meeting to get commercial claims data for Gregory Fernandez and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory Fernandez treated 105 Medicare patients in 2024, average age 73
CMS counts 105 Medicare patients who saw Gregory Fernandez in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Fernandez's median patient age at 63, with 58% women.
Gregory Fernandez's Medicare patients by age, 2024
Gregory Fernandez's Medicare patients by sex, 2024
- Women4947%
- Men5653%
Chronic conditions among Gregory Fernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Arthritis62%
- Anxiety55%
- Mood disorders47%
- Ischemic heart disease44%
- Heart failure39%
Share of Medicare patients with each condition. A patient can have several.
Gregory Fernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Fernandez wrote 27 Medicare Part D claims in 2024
In 2024, Gregory Fernandez wrote 27 Medicare Part D claims for 23 patients. 89% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $104 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Gregory Fernandez's Part D claims by kind of drug, 2024
- Generic24 claims89%
- Brand-name and other3 claims11%
Gregory Fernandez'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.
Drug classes CMS tracks in Gregory Fernandez's Part D claims, 2024
- Antibiotics48%13 of 27 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 122023: 118%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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
How Gregory Fernandez takes part in Medicare
Gregory Fernandez 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.
Gregory Fernandez has 1 publication on record
Dmand AI links 1 paper to Gregory Fernandez in 2012. Gregory Fernandez's most frequent co-authors are Michael Attubato, MD and Frederick Feit, MD.
Gregory Fernandez's most frequent co-authors
Recent publications by Gregory Fernandez
See who Gregory Fernandez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Gregory Fernandez works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Gregory Fernandez received $834 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Gregory Fernandez from 2 drug and device companies from 2024 to 2025. Speaker and faculty fees make up the largest share, 96% of the total. Becton, Dickinson and Company paid the most, $800.
General payments to Gregory Fernandez by program year, 2024 to 2025
General payments to Gregory Fernandez by kind, 2024 to 2025
- Speaker and faculty fees$80096%
- Food and beverage$344%
Companies that paid Gregory Fernandez the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory Fernandez graduated from New York University School of Medicine
Gregory Fernandez graduated from New York University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory Fernandez'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 Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Gregory Fernandez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Fernandez's NPI number?
Gregory Fernandez's NPI number is 1750775979. It was assigned on March 25, 2015, and it is active in the NPI Registry.
What does Gregory Fernandez specialize in?
Gregory Fernandez is an emergency medicine physician in Staten Island, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Gregory Fernandez practice?
Gregory Fernandez practices at 355 Bard Avenue, Staten Island, NY 10310. Gregory Fernandez's primary practice is Richmond University Medical Center in Staten Island, New York, part of Richmond University Medical Center. Dmand AI also links Gregory Fernandez to 3 medical groups and 1 group practice or clinic.
What is Gregory Fernandez's office phone number?
The practice phone on file for Gregory Fernandez is (718) 354-5047.
What is Gregory Fernandez's medical license number?
Gregory Fernandez holds New York license 300071.
Which hospitals is Gregory Fernandez affiliated with?
Gregory Fernandez practices at Richmond University Medical Center in Staten Island, New York. Gregory Fernandez is also affiliated with The Mount Sinai Hospital.
What medical group is Gregory Fernandez part of?
Gregory Fernandez is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Gregory Fernandez to 3 more medical groups.
Does Gregory Fernandez accept Medicare?
Yes. CMS data shows Gregory Fernandez billed Medicare for 93 services in 2024, and Gregory Fernandez accepts Medicare assignment.
How many Medicare patients does Gregory Fernandez see?
CMS counts 105 Medicare patients who saw Gregory Fernandez in 2024, with an average age of 73.
What services does Gregory Fernandez bill to Medicare?
In 2024, Gregory Fernandez's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Show 6 more questionsShow fewer questions
Where did Gregory Fernandez go to medical school?
Gregory Fernandez graduated from New York University School of Medicine in 2015.
What drugs does Gregory Fernandez prescribe most?
In 2023 Medicare Part D data, Gregory Fernandez's most prescribed drugs by claims were Ciprofloxacin HCl.
Has Gregory Fernandez received payments from drug or device companies?
CMS Open Payments shows $834 in general payments to Gregory Fernandez from 2 companies from 2024 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Gregory Fernandez been practicing?
Gregory Fernandez graduated from medical school in 2015, 11 years ago.
Does Gregory Fernandez do research?
Dmand AI links 1 publication to Gregory Fernandez.
Who does Gregory Fernandez publish with?
Gregory Fernandez's most frequent co-authors are Michael Attubato, MD (1 shared paper) and Frederick Feit, MD (1 shared paper).
Selling to emergency medicine practices?
See emergency medicine physicians in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card