Dr. Guy R. Nicastri, MD

  • Warwick, RI
  • General surgeon
NPI1801826326PAC ID4587623343
Medicare services, 2024
83
Medicare patients, 2024
89
Part D claims, 2024
53
Hospital affiliations
2
Industry payments
$5,068
Practice address
455 Toll Gate Rd, Warwick, RI 02886
Practice phone
Call (401) 737-7010
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kent Hospital

Hospital · Warwick, Rhode Island

See all 4 affiliations

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Dr. Guy R. Nicastri is a general surgeon in Warwick, Rhode Island

Dr. Nicastri practices at Kent Hospital in Warwick, Rhode Island, part of Care New England Health System.

Dr. Nicastri's NPI, 1801826326, was assigned on July 3, 2006. Dr. Nicastri graduated from Georgetown University School of Medicine in 1986. Dr. Nicastri holds Rhode Island license MD12419.

NPI and contact details
Medicare PAC ID
4587623343
NPI enumeration date
July 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(401) 737-7010
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Guy R. Nicastri practices at Kent Hospital in Warwick, Rhode Island

Dr. Nicastri's primary practice is Kent Hospital, at 455 Toll Gate Rd, Warwick, RI 02886 in Kent County. The practice phone is (401) 737-7010.

  • Kent Hospital
    455 Toll Gate Rd, Warwick, RI 02886 · Kent CountyPhone(401) 737-7010

Source: Dmand AI Affiliation Data

Dr. Guy R. Nicastri is affiliated with 2 sites of care and 2 medical groups

Dr. Nicastri's primary practice is Kent Hospital in Warwick, Rhode Island, part of Care New England Health System. Dr. Nicastri is also affiliated with Women & Infants Hospital of Rhode Island. The medical group on file is Care New England Medical Group. Dmand AI also links Dr. Nicastri to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Nicastri

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Guy R. Nicastri's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nicastri practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kent HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Guy R. Nicastri is one of 102 general surgeons in Rhode Island

Surgery is Dr. Nicastri's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Nicastri's licenses on file in 3 states: Rhode Island, Connecticut and Massachusetts.

Specialties and state licenses

  • Surgery, Rhode IslandPrimaryLicense MD12419 · taxonomy 208600000X
  • Connecticut licenseLicense 031562
  • Massachusetts licenseLicense 58906

General surgeons near Dr. Nicastri

Counts of general surgeons 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. Guy R. Nicastri billed Medicare for 83 services in 2024

CMS data shows 83 Medicare services from Dr. Nicastri across 5 procedure codes in 2024, for 89 Medicare patients. Medicare paid $5,183 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202483
Medicare patients89
Paid by Medicare$5,183
Procedure codes5

Dr. Nicastri's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 142024: 83493%

Dr. Nicastri compared with the Rhode Island median for general surgeons, 2024

  • Dr. Nicastri
  • Rhode Island median
Medicare services
83vs 14242% below
Medicare patients
89vs 945% below
Part D claims
35vs 2635% above

Medians across 102 general surgeons in Rhode Island with Dmand AI profiles that report each measure.

Dr. Nicastri'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 Dr. Nicastri

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Guy R. Nicastri treated 89 Medicare patients in 2024, average age 75

CMS counts 89 Medicare patients who saw Dr. Nicastri in 2024. The largest group is 75 to 84, with 35 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.61, 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. Nicastri's median patient age at 72, with 48% women.

Medicare patients, 202489
Average age75
Average risk score1.61
Also on Medicaid13%

Dr. Nicastri's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nicastri's Medicare patients by sex, 2024

  • Women5157%
  • Men3843%

Chronic conditions among Dr. Nicastri's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Anxiety37%
  5. Chronic kidney disease36%
  6. Ischemic heart disease34%
  7. Diabetes33%
  8. COPD28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nicastri's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women48%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Guy R. Nicastri wrote 53 Medicare Part D claims in 2024

In 2024, Dr. Nicastri wrote 53 Medicare Part D claims for 42 patients. 98% of them were for generic drugs. CMS names the drug for 35 of them, across 1 drug with 11 or more claims each, at $59 in total drug cost. In 2023, CMS named 70 claims across 4 drugs.

Part D claims, 202453
Drugs named by CMS1
Total drug cost$59
Part D patients42

Dr. Nicastri's Part D claims by kind of drug, 2024

  • Generic52 claims98%
  • Brand-name and other1 claims2%

Dr. Nicastri's most prescribed drugs by claims, 2024

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 Dr. Nicastri's Part D claims, 2024

  • Opioids68%36 of 53 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 702024: 3550%

Drugs named by CMS: 1 in 2024, 4 in 2023.

See all prescribing by Dr. Nicastri

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 Dr. Guy R. Nicastri takes part in Medicare

Dr. Nicastri accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Guy R. Nicastri received $5,068 in industry payments from 2016 to 2024

CMS Open Payments shows 27 general payments to Dr. Nicastri from 8 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 45% of the total. Covidien LP paid the most, $2,864.

General payments to Dr. Nicastri by program year, 2016 to 2024

General payments to Dr. Nicastri by kind, 2016 to 2024

$5.1Kin total
  • Consulting fees$2,30045%
  • Travel and lodging$2,08841%
  • Food and beverage$68013%

Companies that paid Dr. Nicastri the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Nicastri

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Guy R. Nicastri graduated from Georgetown University School of Medicine

Dr. Nicastri graduated from Georgetown University School of Medicine in 1986.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Guy R. Nicastri'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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 Dr. Guy R. Nicastri

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. Guy R. Nicastri's NPI number?

Dr. Guy R. Nicastri's NPI number is 1801826326. It was assigned on July 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Guy R. Nicastri?

Dr. Guy R. Nicastri is a general surgeon in Warwick, Rhode Island. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Guy R. Nicastri practice?

Dr. Nicastri practices at 455 Toll Gate Rd, Warwick, RI 02886. Dr. Nicastri's primary practice is Kent Hospital in Warwick, Rhode Island, part of Care New England Health System. Dmand AI also links Dr. Nicastri to 1 medical group.

What is Dr. Guy R. Nicastri's office phone number?

The practice phone on file for Dr. Nicastri is (401) 737-7010.

What is Dr. Guy R. Nicastri's medical license number?

Dr. Nicastri holds Rhode Island license MD12419, one of the licenses on file in 3 states.

Which states has Dr. Guy R. Nicastri been licensed in?

Dmand AI has state licenses on file for Dr. Nicastri in Rhode Island, Connecticut and Massachusetts.

Which hospitals is Dr. Guy R. Nicastri affiliated with?

Dr. Nicastri practices at Kent Hospital in Warwick, Rhode Island. Dr. Nicastri is also affiliated with Women & Infants Hospital of Rhode Island.

What medical group is Dr. Guy R. Nicastri part of?

Dr. Nicastri is linked to Care New England Medical Group. Dmand AI links Dr. Nicastri to 1 more medical group.

Does Dr. Guy R. Nicastri accept Medicare?

Yes. CMS data shows Dr. Nicastri billed Medicare for 83 services in 2024, and Dr. Nicastri accepts Medicare assignment.

How many Medicare patients does Dr. Guy R. Nicastri see?

CMS counts 89 Medicare patients who saw Dr. Nicastri in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Dr. Guy R. Nicastri bill to Medicare?

In 2024, Dr. Nicastri's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99231).

Where did Dr. Guy R. Nicastri go to medical school?

Dr. Nicastri graduated from Georgetown University School of Medicine in 1986.

What drugs does Dr. Guy R. Nicastri prescribe most?

In 2024 Medicare Part D data, Dr. Nicastri's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Guy R. Nicastri received payments from drug or device companies?

CMS Open Payments shows $5,068 in general payments to Dr. Nicastri from 8 companies from 2016 to 2024. The largest total came from Covidien LP.

How long has Dr. Guy R. Nicastri been practicing?

Dr. Nicastri graduated from medical school in 1986, 40 years ago.

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