Gregory Fernandez

  • Staten Island, NY
  • Emergency medicine physician
NPI1750775979PAC ID0941536676
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Richmond University Medical Center

Hospital · Staten Island, New York

See all 7 affiliations

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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 and contact details
Medicare PAC ID
0941536676
NPI enumeration date
March 25, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(718) 354-5047
Professional email
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Personal email
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Mobile number
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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.

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.

See all 7 affiliations for Gregory Fernandez

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.

EHR by site
SiteEHR vendor and product
Richmond University Medical CenterAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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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 YorkPrimaryLicense 300071 · taxonomy 207P00000X

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.

Medicare services, 202493
Medicare patients105
Paid by Medicare$11,772
Procedure codes2

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.

See all procedures by Gregory Fernandez

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.

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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.

Medicare patients, 2024105
Average age73
Average risk score2.55
Also on Medicaid60%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes63%
  4. Arthritis62%
  5. Anxiety55%
  6. Mood disorders47%
  7. Ischemic heart disease44%
  8. 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.

Part D claims, 202427
Drugs named by CMS1
Total drug cost$104
Part D patients23

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.

See all prescribing by Gregory Fernandez

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)

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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.

Papers1

Gregory Fernandez's most frequent co-authors

Recent publications by Gregory Fernandez

See all 1 publications and co-authors

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.

How network discovery works

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

$834in total
  • 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.

See all payments to Gregory Fernandez

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.

  1. Medical schoolNew York University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Gregory Fernandez's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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).

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