Gregory S. Sender, PA-C

  • Milford, DE
  • Physician assistant
NPI1194719161PAC ID0648244723
Medicare patients, 2024
503
Part D claims, 2024
308
Hospital affiliations
3
Industry payments
$37
Medical group
1
Practice address
100 Wellness Way, Milford, DE 19963
Practice phone
Call (302) 422-3311
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Bayhealth Hospital, Sussex Campus

Hospital · Milford, Delaware

See all 4 affiliations

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Gregory S. Sender is a physician assistant in Milford, Delaware

Gregory Sender practices at Bayhealth Hospital, Sussex Campus in Milford, Delaware, part of Bayhealth Medical Center.

Gregory Sender's NPI, 1194719161, was assigned on September 7, 2005. Gregory Sender holds Delaware license C5-000396.

NPI and contact details
Medicare PAC ID
0648244723
NPI enumeration date
September 7, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(302) 422-3311
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

Gregory S. Sender practices at Bayhealth Hospital, Sussex Campus in Milford, Delaware

Gregory Sender's primary practice is Bayhealth Hospital, Sussex Campus, at 100 Wellness Way, Milford, DE 19963 in Sussex County. The practice phone is (302) 422-3311.

Source: Dmand AI Affiliation Data

Gregory S. Sender is affiliated with 3 sites of care and 1 medical group

Gregory Sender's primary practice is Bayhealth Hospital, Sussex Campus in Milford, Delaware, part of Bayhealth Medical Center. Gregory Sender is also affiliated with Beebe Healthcare. The medical group on file is Bayhealth. Dmand AI also links Gregory Sender to 1 more hospital, named with a free account.

See all 4 affiliations for Gregory Sender

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

Dmand AI tracks the EHR system at Gregory S. Sender's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Sender practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bayhealth Hospital, Sussex CampusAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Gregory S. Sender is one of 631 physician assistants in Delaware

Physician assistant is Gregory Sender's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Sender is licensed in Delaware.

Specialties and state licenses

  • Physician assistant, DelawarePrimaryLicense C5-000396 · taxonomy 363A00000X

Physician assistants near Gregory Sender

Counts of physician assistants 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 S. Sender treated 503 Medicare patients in 2024, average age 75

CMS counts 503 Medicare patients who saw Gregory Sender in 2024. The largest group is 65 to 74, with 219 patients. 75% of them have arthritis, and 75% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gregory Sender's median patient age at 75, with 65% women.

Medicare patients, 2024503
Average age75
Average risk score1.26
Also on Medicaid8%

Gregory Sender's Medicare patients by age, 2024

Gregory Sender's Medicare patients by sex, 2024

  • Women32464%
  • Men17936%

Chronic conditions among Gregory Sender's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease35%
  5. Diabetes33%
  6. Mood disorders31%
  7. Chronic kidney disease29%
  8. Anxiety28%

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

Gregory Sender's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women65%
  • Men34%

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

Gregory S. Sender wrote 308 Medicare Part D claims in 2024

In 2024, Gregory Sender wrote 308 Medicare Part D claims for 170 patients. 98% of them were for generic drugs.

Part D claims, 2024308
Part D patients170

Gregory Sender's Part D claims by kind of drug, 2024

  • Generic303 claims98%
  • Brand-name and other5 claims2%

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

  • Opioids35%109 of 308 claims
  • Antibiotics15%45 of 308 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

How Gregory S. Sender takes part in Medicare

Gregory Sender 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 S. Sender received $37 in industry payments in 2025

CMS Open Payments shows 1 general payment to Gregory Sender from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $37.

Companies that paid Gregory Sender the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Sender

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

Sources for Gregory S. Sender'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 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 S. Sender

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 S. Sender's NPI number?

Gregory S. Sender's NPI number is 1194719161. It was assigned on September 7, 2005, and it is active in the NPI Registry.

What does Gregory S. Sender specialize in?

Gregory S. Sender is a physician assistant in Milford, Delaware. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Gregory S. Sender practice?

Gregory Sender practices at 100 Wellness Way, Milford, DE 19963. Gregory Sender's primary practice is Bayhealth Hospital, Sussex Campus in Milford, Delaware, part of Bayhealth Medical Center. Dmand AI also links Gregory Sender to 1 hospital.

What is Gregory S. Sender's office phone number?

The practice phone on file for Gregory Sender is (302) 422-3311.

What is Gregory S. Sender's medical license number?

Gregory Sender holds Delaware license C5-000396.

Which hospitals is Gregory S. Sender affiliated with?

Gregory Sender practices at Bayhealth Hospital, Sussex Campus in Milford, Delaware. Gregory Sender is also affiliated with Beebe Healthcare. Dmand AI links Gregory Sender to 1 more hospital.

What medical group is Gregory S. Sender part of?

Gregory Sender is linked to Bayhealth.

Does Gregory S. Sender accept Medicare?

Yes. CMS lists Gregory Sender as accepting Medicare assignment.

How many Medicare patients does Gregory S. Sender see?

CMS counts 503 Medicare patients who saw Gregory Sender in 2024, with an average age of 75.

Has Gregory S. Sender received payments from drug or device companies?

CMS Open Payments shows $37 in general payments to Gregory Sender from 1 company from 2025 to 2025. The largest total came from Smith & Nephew, Inc.

How long has Gregory S. Sender been practicing?

Gregory Sender graduated from medical school in 2000, 26 years ago.

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