Claire Ellen Grigsby, FNP-C, MSN
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 59
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Medical groups
- 2
- Practice address
- 1959 NE Pacific St Box 356151, Seattle, WA 98195
- Practice phone
- Call (206) 598-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Claire Grigsby'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.
Claire Ellen Grigsby is a nurse practitioner in Seattle, Washington
Claire Grigsby practices at UW Medical Center - Montlake in Seattle, Washington, part of University of Washington.
Claire Grigsby's NPI, 1578018404, was assigned on August 21, 2016. Claire Grigsby holds Washington license AP60695746.
- NPI
- 1578018404NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426327370
- NPI enumeration date
- August 21, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (206) 598-3300
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Claire Ellen Grigsby practices at UW Medical Center - Montlake in Seattle, Washington
Claire Grigsby's primary practice is UW Medical Center - Montlake, at 1959 NE Pacific St Box 356151, Seattle, WA 98195 in King County. The practice phone is (206) 598-3300.
- UW Medical Center - Montlake1959 NE Pacific St Box 356151, Seattle, WA 98195 · King CountyPhone(206) 598-3300
Source: Dmand AI Affiliation Data
Claire Ellen Grigsby is affiliated with 4 sites of care and 2 medical groups
Claire Grigsby's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Claire Grigsby is also affiliated with Fred Hutchinson Cancer Center. The medical group on file is UW Physicians. Dmand AI also links Claire Grigsby to 1 more hospital, 1 hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Claire Ellen Grigsby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Claire Grigsby practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UW Medical Center - Montlake | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Claire Ellen Grigsby is one of 1,633 nurse practitioners in Washington
Nurse practitioner is Claire Grigsby's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Claire Grigsby is licensed in Washington.
Specialties and state licenses
- Nurse practitioner, WashingtonPrimary
Nurse practitioners near Claire Grigsby
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
Claire Ellen Grigsby treated 14 Medicare patients in 2024, average age 71
CMS counts 14 Medicare patients who saw Claire Grigsby in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Claire Grigsby's median patient age at 58, with 31% women.
Claire Grigsby's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Claire Grigsby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Claire Ellen Grigsby wrote 59 Medicare Part D claims in 2024
In 2024, Claire Grigsby wrote 59 Medicare Part D claims for 25 patients. 88% of them were for generic drugs.
Claire Grigsby's Part D claims by kind of drug, 2024
- Generic52 claims88%
- Brand-name and other7 claims12%
Drug classes CMS tracks in Claire Grigsby's Part D claims, 2024
- Antibiotics19%11 of 59 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
Claire Ellen Grigsby scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Claire Grigsby for performance year 2024, reported through an alternative payment model (APM). Claire Grigsby accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Claire Grigsby's MIPS scores, performance year 2024
- 94of 100Final score
- 74.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Claire Ellen Grigsby'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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 Claire Ellen Grigsby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Claire Ellen Grigsby's NPI number?
Claire Ellen Grigsby's NPI number is 1578018404. It was assigned on August 21, 2016, and it is active in the NPI Registry.
What does Claire Ellen Grigsby specialize in?
Claire Ellen Grigsby is a nurse practitioner in Seattle, Washington. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Claire Ellen Grigsby practice?
Claire Grigsby practices at 1959 NE Pacific St Box 356151, Seattle, WA 98195. Claire Grigsby's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Dmand AI also links Claire Grigsby to 1 hospital, 1 hospital outpatient department and 1 medical group.
What is Claire Ellen Grigsby's office phone number?
The practice phone on file for Claire Grigsby is (206) 598-3300.
What is Claire Ellen Grigsby's medical license number?
Claire Grigsby holds Washington license AP60695746.
Which hospitals is Claire Ellen Grigsby affiliated with?
Claire Grigsby practices at UW Medical Center - Montlake in Seattle, Washington. Claire Grigsby is also affiliated with Fred Hutchinson Cancer Center. Dmand AI links Claire Grigsby to 1 more hospital.
What medical group is Claire Ellen Grigsby part of?
Claire Grigsby is linked to UW Physicians. Dmand AI links Claire Grigsby to 1 more medical group.
Does Claire Ellen Grigsby accept Medicare?
Yes. CMS lists Claire Grigsby as accepting Medicare assignment.
What is Claire Ellen Grigsby's MIPS score?
Claire Grigsby's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Claire Ellen Grigsby see?
CMS counts 14 Medicare patients who saw Claire Grigsby in 2024, with an average age of 71.
How long has Claire Ellen Grigsby been practicing?
Claire Grigsby graduated from medical school in 2016, 10 years ago.
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