Graycen Duffy, ARNP
- Medicare patients, 2024
- 370
- Part D claims, 2024
- 710
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 400 E University Way, Ellensburg, WA 98926
- Practice phone
- Call (509) 963-1626
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Central Washington University Student Health Counseling and Wellness
Ellensburg, Washington
Find Graycen Duffy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Graycen Duffy is a family nurse practitioner in Ellensburg, Washington
Graycen Duffy practices at Central Washington University Student Health Counseling and Wellness in Ellensburg, Washington.
Graycen Duffy's NPI, 1851839682, was assigned on January 31, 2017. Graycen Duffy holds Washington license AP 60725057.
- NPI
- 1851839682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981988607
- NPI enumeration date
- January 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 963-1626
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Graycen Duffy practices at Central Washington University Student Health Counseling and Wellness in Ellensburg, Washington
Graycen Duffy's primary practice is Central Washington University Student Health Counseling and Wellness, at 400 E University Way, Ellensburg, WA 98926 in Kittitas County. The practice phone is (509) 963-1626.
- Central Washington University Student Health Counseling and Wellness400 E University Way, Ellensburg, WA 98926 · Kittitas CountyPhone(509) 963-1626
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Graycen Duffy is affiliated with 3 sites of care and 1 medical group
Graycen Duffy's primary practice is Central Washington University Student Health Counseling and Wellness in Ellensburg, Washington. Graycen Duffy is also affiliated with Providence St. Mary Medical Center. The medical group on file is Providence Medical Group - Southeast Washington (Walla Walla). Dmand AI also links Graycen Duffy to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Graycen Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Graycen Duffy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Washington University Student Health Counseling and Wellness | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Graycen Duffy is one of 2,841 family nurse practitioners in Washington
Family is Graycen Duffy's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Graycen Duffy is licensed in Washington.
Specialties and state licenses
- Family nurse practitioner, WashingtonPrimary
Family nurse practitioners near Graycen Duffy
Counts of family 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
Graycen Duffy treated 370 Medicare patients in 2024, average age 75
CMS counts 370 Medicare patients who saw Graycen Duffy in 2024. The largest group is 65 to 74, with 151 patients. 70% of them have high cholesterol, and 69% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Graycen Duffy's median patient age at 23, with 73% women.
Graycen Duffy's Medicare patients by age, 2024
Graycen Duffy's Medicare patients by sex, 2024
- Women26271%
- Men10829%
Chronic conditions among Graycen Duffy's Medicare patients, 2024
- High cholesterol70%
- High blood pressure69%
- Arthritis53%
- Mood disorders32%
- Depression29%
- Anxiety28%
- Chronic kidney disease28%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Graycen Duffy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 23
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Graycen Duffy wrote 710 Medicare Part D claims in 2024
In 2024, Graycen Duffy wrote 710 Medicare Part D claims for 299 patients. 90% of them were for generic drugs.
Graycen Duffy's Part D claims by kind of drug, 2024
- Generic641 claims90%
- Brand-name and other69 claims10%
Drug classes CMS tracks in Graycen Duffy's Part D claims, 2024
- Opioids2%12 of 710 claims
- Antibiotics17%118 of 710 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 Graycen Duffy takes part in Medicare
Graycen Duffy 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 Graycen Duffy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Graycen Duffy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Graycen Duffy's NPI number?
Graycen Duffy's NPI number is 1851839682. It was assigned on January 31, 2017, and it is active in the NPI Registry.
What does Graycen Duffy specialize in?
Graycen Duffy is a family nurse practitioner in Ellensburg, Washington. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Graycen Duffy practice?
Graycen Duffy practices at 400 E University Way, Ellensburg, WA 98926. Graycen Duffy's primary practice is Central Washington University Student Health Counseling and Wellness in Ellensburg, Washington. Dmand AI also links Graycen Duffy to 1 group practice or clinic.
What is Graycen Duffy's office phone number?
The practice phone on file for Graycen Duffy is (509) 963-1626.
What is Graycen Duffy's medical license number?
Graycen Duffy holds Washington license AP 60725057.
Which hospitals is Graycen Duffy affiliated with?
Graycen Duffy is affiliated with Providence St. Mary Medical Center.
What medical group is Graycen Duffy part of?
Graycen Duffy is linked to Providence Medical Group - Southeast Washington (Walla Walla).
Does Graycen Duffy accept Medicare?
Yes. CMS lists Graycen Duffy as accepting Medicare assignment.
How many Medicare patients does Graycen Duffy see?
CMS counts 370 Medicare patients who saw Graycen Duffy in 2024, with an average age of 75.
How long has Graycen Duffy been practicing?
Graycen Duffy graduated from medical school in 2016, 10 years ago.
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