Alissa Gregersen, Agacnp

  • Dover, DE
  • Nurse practitioner
NPI1922508902PAC ID5092079863
Medicare patients, 2024
114
Part D claims, 2024
133
Hospital affiliations
1
Medical groups
2
State licenses
2
Practice address
640 S State Street, Dover, DE 19901
Practice phone
Call (302) 744-7001
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Bayhealth Hospital, Kent Campus

Hospital · Dover, Delaware

See all 3 affiliations

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Alissa Gregersen is a nurse practitioner in Dover, Delaware

Alissa Gregersen practices at Bayhealth Hospital, Kent Campus in Dover, Delaware, part of Bayhealth Medical Center.

Alissa Gregersen's NPI, 1922508902, was assigned on February 16, 2018. Alissa Gregersen holds Maine license CNP251909.

NPI and contact details
Medicare PAC ID
5092079863
NPI enumeration date
February 16, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(302) 744-7001
Professional email
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Personal email
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Mobile number
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Sex
Female
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)

Alissa Gregersen practices at Bayhealth Hospital, Kent Campus in Dover, Delaware

Alissa Gregersen's primary practice is Bayhealth Hospital, Kent Campus, at 640 S State Street, Dover, DE 19901 in Kent County. The practice phone is (302) 744-7001.

Source: Dmand AI Affiliation Data

Alissa Gregersen is affiliated with 1 site of care and 2 medical groups

Alissa Gregersen's primary practice is Bayhealth Hospital, Kent Campus in Dover, Delaware, part of Bayhealth Medical Center. The medical group on file is Bayhealth. Dmand AI also links Alissa Gregersen to 1 more medical group, named with a free account.

See all 3 affiliations for Alissa Gregersen

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

Dmand AI tracks the EHR system at Alissa Gregersen's practice

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

EHR by site
SiteEHR vendor and product
Bayhealth Hospital, Kent CampusAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Alissa Gregersen is one of 389 nurse practitioners in Delaware

Nurse practitioner is Alissa Gregersen's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Alissa Gregersen's licenses on file in 2 states: Maine and Delaware.

Specialties and state licenses

  • Nurse practitioner, MainePrimaryLicense CNP251909 · taxonomy 363L00000X
  • Gerontology nurse practitioner, DelawareLicense LP-0000239 · taxonomy 363LG0600X

Nurse practitioners near Alissa Gregersen

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

Alissa Gregersen treated 114 Medicare patients in 2024, average age 76

CMS counts 114 Medicare patients who saw Alissa Gregersen in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Alissa Gregersen's median patient age at 65, with 54% women.

Medicare patients, 2024114
Average age76
Average risk score1.53
Also on Medicaid12%

Alissa Gregersen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Alissa Gregersen's Medicare patients by sex, 2024

  • Women6557%
  • Men4943%

Chronic conditions among Alissa Gregersen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis60%
  4. Ischemic heart disease54%
  5. Diabetes39%
  6. Chronic kidney disease37%
  7. Atrial fibrillation32%
  8. Mood disorders31%

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

Alissa Gregersen's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Alissa Gregersen wrote 133 Medicare Part D claims in 2024

In 2024, Alissa Gregersen wrote 133 Medicare Part D claims for 89 patients. 85% of them were for generic drugs.

Part D claims, 2024133
Part D patients89

Alissa Gregersen's Part D claims by kind of drug, 2024

  • Generic113 claims85%
  • Brand-name and other20 claims15%

Drug classes CMS tracks in Alissa Gregersen's Part D claims, 2024

  • Antibiotics28%37 of 133 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 Alissa Gregersen takes part in Medicare

Alissa Gregersen 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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Sources for Alissa Gregersen'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)
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 Alissa Gregersen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Alissa Gregersen's NPI number?

Alissa Gregersen's NPI number is 1922508902. It was assigned on February 16, 2018, and it is active in the NPI Registry.

What does Alissa Gregersen specialize in?

Alissa Gregersen is a nurse practitioner in Dover, Delaware. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Alissa Gregersen practice?

Alissa Gregersen practices at 640 S State Street, Dover, DE 19901. Alissa Gregersen's primary practice is Bayhealth Hospital, Kent Campus in Dover, Delaware, part of Bayhealth Medical Center. Dmand AI also links Alissa Gregersen to 1 medical group.

What is Alissa Gregersen's office phone number?

The practice phone on file for Alissa Gregersen is (302) 744-7001.

What is Alissa Gregersen's medical license number?

Alissa Gregersen holds Maine license CNP251909, one of the licenses on file in 2 states.

Which states has Alissa Gregersen been licensed in?

Dmand AI has state licenses on file for Alissa Gregersen in Maine and Delaware.

Which hospitals is Alissa Gregersen affiliated with?

Alissa Gregersen practices at Bayhealth Hospital, Kent Campus in Dover, Delaware.

What medical group is Alissa Gregersen part of?

Alissa Gregersen is linked to Bayhealth. Dmand AI links Alissa Gregersen to 1 more medical group.

Does Alissa Gregersen accept Medicare?

Yes. CMS lists Alissa Gregersen as accepting Medicare assignment.

How many Medicare patients does Alissa Gregersen see?

CMS counts 114 Medicare patients who saw Alissa Gregersen in 2024, with an average age of 76.

How long has Alissa Gregersen been practicing?

Alissa Gregersen graduated from medical school in 2017, 9 years ago.

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