Dr. Nancy Ellen Davidson, MD
- Medicare services, 2024
- 110
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 30
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Practice address
- 825 Eastlake Avenue East, Seattle, WA 98109
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Davidson's professional email, personal email and mobile number
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Dr. Nancy Ellen Davidson is a medical oncologist in Seattle, Washington
Dr. Davidson practices at Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.
Dr. Davidson's NPI, 1114954153, was assigned on June 26, 2006. Dr. Davidson graduated from Harvard Medical School in 1979. Dr. Davidson holds Maryland license D28239.
- NPI
- 1114954153NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496806291
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nancy Ellen Davidson practices at Fred Hutchinson Cancer Center in Seattle, Washington
Dr. Davidson's primary practice is Fred Hutchinson Cancer Center, at 825 Eastlake Avenue East, Seattle, WA 98109.
- Fred Hutchinson Cancer Center825 Eastlake Avenue East, Seattle, WA 98109
Source: Dmand AI Affiliation Data
Dr. Nancy Ellen Davidson is affiliated with 2 sites of care and 1 medical group
Dr. Davidson's primary practice is Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center. Dr. Davidson is also affiliated with Select Specialty Hospital - Pittsburgh / UPMC. The medical group on file is UW Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nancy Ellen Davidson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davidson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fred Hutchinson Cancer Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Fred Hutchinson Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nancy Ellen Davidson is one of 145 medical oncologists in Washington
Medical oncology is Dr. Davidson's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Davidson is licensed in Maryland.
Specialties and state licenses
- Medical oncology, MarylandPrimary
Medical oncologists near Dr. Davidson
Counts of medical oncologists 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
Dr. Nancy Ellen Davidson billed Medicare for 110 services in 2024
CMS data shows 110 Medicare services from Dr. Davidson across 4 procedure codes in 2024, for 46 Medicare patients. Medicare paid $8,359 for them. Every service was in an office.
Dr. Davidson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 572024: 7735%
- Other services
- 2023: 02024: 33
Dr. Davidson compared with the Washington median for medical oncologists, 2024
- Dr. Davidson
- Washington median
- Medicare services
- 110vs 36270% below
- Medicare patients
- 46vs 13967% below
- Part D claims
- 20vs 18089% below
Medians across 131 medical oncologists in Washington with Dmand AI profiles that report each measure.
Dr. Davidson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nancy Ellen Davidson treated 46 Medicare patients in 2024, average age 74
CMS counts 46 Medicare patients who saw Dr. Davidson in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have cancer, and 63% have high blood pressure. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Davidson's median patient age at 63, with 98% women.
Dr. Davidson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Davidson's Medicare patients, 2024
- Cancer75%
- High blood pressure63%
- High cholesterol57%
- Arthritis35%
- Mood disorders30%
- Depression28%
- Diabetes28%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Davidson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women98%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nancy Ellen Davidson wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Davidson wrote 30 Medicare Part D claims for 13 patients. 100% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $552 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Davidson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 2067%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nancy Ellen Davidson 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 Dr. Davidson for performance year 2024, reported through an alternative payment model (APM). Dr. Davidson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Davidson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Davidson'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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Dr. Nancy Ellen Davidson received $12 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Davidson from 1 drug or device company in 2021. Education make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $12.
Companies that paid Dr. Davidson the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nancy Ellen Davidson graduated from Harvard Medical School
Dr. Davidson graduated from Harvard Medical School in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nancy Ellen Davidson'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Nancy Ellen Davidson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nancy Ellen Davidson's NPI number?
Dr. Nancy Ellen Davidson's NPI number is 1114954153. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy Ellen Davidson?
Dr. Nancy Ellen Davidson is a medical oncologist in Seattle, Washington. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Nancy Ellen Davidson practice?
Dr. Davidson practices at 825 Eastlake Avenue East, Seattle, WA 98109. Dr. Davidson's primary practice is Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.
What is Dr. Nancy Ellen Davidson's medical license number?
Dr. Davidson holds Maryland license D28239.
Which hospitals is Dr. Nancy Ellen Davidson affiliated with?
Dr. Davidson practices at Fred Hutchinson Cancer Center in Seattle, Washington. Dr. Davidson is also affiliated with Select Specialty Hospital - Pittsburgh / UPMC.
What medical group is Dr. Nancy Ellen Davidson part of?
Dr. Davidson is linked to UW Physicians.
Does Dr. Nancy Ellen Davidson accept Medicare?
Yes. CMS data shows Dr. Davidson billed Medicare for 110 services in 2024, and Dr. Davidson accepts Medicare assignment.
Does Dr. Nancy Ellen Davidson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Davidson as offering telehealth services.
What is Dr. Nancy Ellen Davidson's MIPS score?
Dr. Davidson'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 Dr. Nancy Ellen Davidson see?
CMS counts 46 Medicare patients who saw Dr. Davidson in 2024, with an average age of 74.
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What services does Dr. Nancy Ellen Davidson bill to Medicare?
In 2024, Dr. Davidson's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).
Where did Dr. Nancy Ellen Davidson go to medical school?
Dr. Davidson graduated from Harvard Medical School in 1979.
What drugs does Dr. Nancy Ellen Davidson prescribe most?
In 2024 Medicare Part D data, Dr. Davidson's most prescribed drugs by claims were Letrozole.
Has Dr. Nancy Ellen Davidson received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Davidson from 1 company from 2021 to 2021. The largest total came from Gilead Sciences, Inc.
How long has Dr. Nancy Ellen Davidson been practicing?
Dr. Davidson graduated from medical school in 1979, 47 years ago.
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