Gregory Dukes, CRNP

  • Saint Michaels, MD
  • Nurse practitioner
NPI1669986493
Medicare patients, 2024
21
Part D claims, 2024
3,148
Industry payments
$23
Affiliated sites
1
Medical group
1
Practice address
933 S Talbot Street Unit 4, Saint Michaels, MD 21663
Practice phone
Call (410) 745-0200
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Bay Hundred Medical & Dental Center

FQHC - Main Site · Saint Michaels, Maryland

See all 2 affiliations

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Gregory Dukes is a nurse practitioner in Saint Michaels, Maryland

Gregory Dukes practices at Bay Hundred Medical & Dental Center in Saint Michaels, Maryland.

Gregory Dukes' NPI, 1669986493, was assigned on December 1, 2017. Gregory Dukes holds Maryland license R114544.

NPI and contact details
NPI enumeration date
December 1, 2017
NPI status
Active
Practice phone
(410) 745-0200
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

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

Gregory Dukes practices at Bay Hundred Medical & Dental Center in Saint Michaels, Maryland

Gregory Dukes' primary practice is Bay Hundred Medical & Dental Center, at 933 S Talbot Street Unit 4, Saint Michaels, MD 21663 in Talbot County. The practice phone is (410) 745-0200.

  • Bay Hundred Medical & Dental Center
    933 S Talbot Street Unit 4, Saint Michaels, MD 21663 · Talbot CountyPhone(410) 745-0200

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Gregory Dukes is affiliated with 1 site of care and 1 medical group

Gregory Dukes' primary practice is Bay Hundred Medical & Dental Center in Saint Michaels, Maryland. The medical group on file is Choptank Community Health System.

Bay Hundred Medical & Dental CenterFQHC - Main Site · Saint Michaels, MarylandPrimary
Choptank Community Health SystemBehavioral and mental health group, Denton, MDParent health systemName with a free account
See all 2 affiliations for Gregory Dukes

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 Gregory Dukes' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Dukes practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bay Hundred Medical & Dental CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Gregory Dukes is one of 1,032 nurse practitioners in Maryland

Nurse practitioner is Gregory Dukes' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Gregory Dukes is licensed in Maryland.

Specialties and state licenses

  • Nurse practitioner, MarylandPrimaryLicense R114544 · taxonomy 363L00000X

Nurse practitioners near Gregory Dukes

Counts of nurse practitioners 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 Dukes treated 21 Medicare patients in 2024, average age 71

CMS counts 21 Medicare patients who saw Gregory Dukes in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.87, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gregory Dukes' median patient age at 57, with 65% women.

Medicare patients, 202421
Average age71
Average risk score0.87

Chronic conditions among Gregory Dukes' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes62%

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

Gregory Dukes' patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women65%
  • Men35%

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

Gregory Dukes wrote 3,148 Medicare Part D claims in 2024

In 2024, Gregory Dukes wrote 3,148 Medicare Part D claims for 323 patients. 92% of them were for generic drugs.

Part D claims, 20243,148
Part D patients323

Gregory Dukes' Part D claims by kind of drug, 2024

  • Generic2,893 claims92%
  • Brand-name and other255 claims8%

Drug classes CMS tracks in Gregory Dukes' Part D claims, 2024

  • Opioids1%22 of 3,148 claims
  • Antibiotics1%38 of 3,148 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Gregory Dukes received $23 in industry payments in 2025

CMS Open Payments shows 1 general payment to Gregory Dukes from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $23.

Companies that paid Gregory Dukes the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Dukes

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

Sources for Gregory Dukes'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand 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 panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Dukes

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 Dukes' NPI number?

Gregory Dukes' NPI number is 1669986493. It was assigned on December 1, 2017, and it is active in the NPI Registry.

What does Gregory Dukes specialize in?

Gregory Dukes is a nurse practitioner in Saint Michaels, Maryland. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Gregory Dukes practice?

Gregory Dukes practices at 933 S Talbot Street Unit 4, Saint Michaels, MD 21663. Gregory Dukes' primary practice is Bay Hundred Medical & Dental Center in Saint Michaels, Maryland.

What is Gregory Dukes' office phone number?

The practice phone on file for Gregory Dukes is (410) 745-0200.

What is Gregory Dukes' medical license number?

Gregory Dukes holds Maryland license R114544.

What medical group is Gregory Dukes part of?

Gregory Dukes is linked to Choptank Community Health System.

How many Medicare patients does Gregory Dukes see?

CMS counts 21 Medicare patients who saw Gregory Dukes in 2024, with an average age of 71.

Has Gregory Dukes received payments from drug or device companies?

CMS Open Payments shows $23 in general payments to Gregory Dukes from 1 company from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.

How long has Gregory Dukes been practicing?

Gregory Dukes graduated from medical school in 2017, 9 years ago.

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