Gregory Dukes, CRNP
Nurse Practitioner · St Michaels, MD
Gregory Dukes, CRNP is a nurse practitioner with a practice address in St Michaels, Maryland, and NPI 1669986493, issued on Dec 1, 2017. Check the license (Maryland R114544, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Dukes
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R114544 MD
Self-reported in NPPES; status is on the state search - Practice location
- 933 S Talbot St Ste 4, St Michaels, MD 21663
- Phone
- (410) 745-0200
- Enumerated
- Dec 1, 2017
- Record last updated
- Oct 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (833) 908-2281
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,248 in Maryland → Look up another NPI →
Also registered at 933 S Talbot St Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Dukes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R114544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average nurse practitioner in 2024
3,148 Medicare Part D claims for 323 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium247 claims
- Amlodipine Besylate185 claims
- Losartan Potassium152 claims
- Lisinopril131 claims
- Albuterol Sulfate Hfa110 claims
- Metformin Hcl93 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $17.10
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Dukes among 1,248 nurse practitioner records in Maryland
Gregory Dukes, CRNP is one of 1,248 nurse practitioner records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 51% of them.
- NPI issued2017 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 nurse practitioner record lists a practice address in St Michaels
They are 1 of the 26 NPPES records with a practice address in St Michaels, and 1,248 nurse practitioner records in Maryland.
All 1,248 in Maryland → Every provider in St Michaels → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Krystal Algier, CRNPPreston, MD 216551245696384
- Danielle Wilkison, CRNPPreston, MD 216551639763428
- Wendy Towers, CRNFATrappe, MD 216731912304486
- Melinda Payton, CRNPGoldsboro, MD 216361669943148
- Bridget Allison, CRNPFederalsburg, MD 216321982401956
- Christine Durham-Pressley, CRNPFederalsburg, MD 216321144861063
- Jennifer Ketterman, FNP-BCFederalsburg, MD 216321306157508
- Stephanie Bernstein, RN, MSNDenton, MD 216291194507327
Common questions
What is Gregory Dukes, CRNP's NPI number?
Gregory Dukes, CRNP's National Provider Identifier (NPI) is 1669986493, issued on Dec 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Dukes, CRNP located?
The NPPES record lists a practice address at 933 S Talbot St Ste 4, St Michaels, MD, 21663. Phone: (410) 745-0200. Providers update this record themselves, so call before visiting.
How can I verify Gregory Dukes, CRNP's license?
NPPES lists Maryland license number R114544, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Dukes, CRNP prescribe under Medicare Part D?
In 2024, Gregory Dukes, CRNP had 3,148 Medicare Part D claims for 323 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.