Katie E. Fields, PA-C
- Medicare patients, 2026
- 40
- Part D claims, 2026
- 57
- MIPS score, 2026
- 89
- Hospital affiliations
- 2
- Industry payments
- $517
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katie Fields' 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.
Katie E. Fields is a physician assistant in Stanford, California
Katie Fields practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Katie Fields' NPI, 1619217601, was assigned on February 27, 2013. Katie Fields holds California license 22785.
- NPI
- 1619217601NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315185451
- NPI enumeration date
- February 27, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katie E. Fields practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Katie Fields' primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Katie E. Fields is affiliated with 3 sites of care and 5 medical groups
Katie Fields' primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Katie Fields to 1 more hospital, 4 medical groups and 1 group practice or clinic, each named with a free account. Katie Fields' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katie E. Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katie Fields practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +2 more sites and 4 medical groups | 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 Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Katie E. Fields is one of 11,482 physician assistants in California
Physician assistant is Katie Fields' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katie Fields is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Katie Fields
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
Katie E. Fields treated 40 Medicare patients in 2026, average age 73
CMS counts 40 Medicare patients who saw Katie Fields in 2026. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Katie Fields' median patient age at 64, with 34% women.
Katie Fields' Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Katie Fields' Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Chronic kidney disease70%
- Heart failure65%
- Atrial fibrillation60%
- Diabetes55%
- Arthritis45%
Share of Medicare patients with each condition. A patient can have several.
Katie Fields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women34%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Katie E. Fields wrote 57 Medicare Part D claims in 2026
In 2026, Katie Fields wrote 57 Medicare Part D claims for 23 patients. 88% of them were for generic drugs.
Katie Fields' Part D claims by kind of drug, 2026
- Generic50 claims88%
- Brand-name and other7 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data
Katie E. Fields scored 89 out of 100 in Medicare's MIPS program for 2026
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Katie Fields for performance year 2026, reported as part of a group. Katie Fields accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Katie Fields as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Katie Fields' MIPS scores, performance year 2026
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
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), 2026 data
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Katie E. Fields received $517 in industry payments in 2025
CMS Open Payments shows 4 general payments to Katie Fields from 3 drug and device companies in 2025. Food and beverage make up the largest share, 81% of the total. AtriCure, Inc. paid the most, $255.
General payments to Katie Fields by kind, 2025 to 2025
- Food and beverage$41781%
- Education$10019%
Companies that paid Katie Fields the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katie E. Fields'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) |
| Industry payments | Open Payments (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 Katie E. Fields
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katie E. Fields' NPI number?
Katie E. Fields' NPI number is 1619217601. It was assigned on February 27, 2013, and it is active in the NPI Registry.
What does Katie E. Fields specialize in?
Katie E. Fields is a physician assistant in Stanford, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katie E. Fields practice?
Katie Fields practices at 300 Pasteur Drive, Stanford, CA 94305. Katie Fields' primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Katie Fields to 1 hospital, 4 medical groups and 1 group practice or clinic, and a free account names each one.
What is Katie E. Fields' office phone number?
The practice phone on file for Katie Fields is (650) 723-4000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Katie E. Fields' email address?
Dmand AI checks professional and personal email addresses for Katie Fields through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Katie E. Fields' medical license number?
Katie Fields holds California license 22785.
Which hospitals is Katie E. Fields affiliated with?
Katie Fields practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Katie Fields to 1 more hospital, named with a free account.
What medical group is Katie E. Fields part of?
Katie Fields is linked to The Permanente Medical Group, Inc. Dmand AI links Katie Fields to 4 more medical groups, named with a free account.
Who employs Katie E. Fields?
Dmand AI has Katie Fields' employer on file: a hospital. The organization's name is available with a free Dmand AI account.
Who does Katie E. Fields practice with?
Dmand AI links 18,480 HCPs to Katie Fields' primary medical group, 501 of them physician assistants. A free account lists them, with verified contacts.
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Does Katie E. Fields accept Medicare?
Yes. CMS lists Katie Fields as accepting Medicare assignment.
Does Katie E. Fields offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Katie Fields as offering telehealth services.
What is Katie E. Fields' MIPS score?
Katie Fields' MIPS final score for performance year 2026 is 89 out of 100, reported as part of a group.
How many Medicare patients does Katie E. Fields see?
CMS counts 40 Medicare patients who saw Katie Fields in 2026, with an average age of 73.
Has Katie E. Fields received payments from drug or device companies?
CMS Open Payments shows $517 in general payments to Katie Fields from 3 companies from 2025 to 2025. The largest total came from AtriCure, Inc.
How long has Katie E. Fields been practicing?
Katie Fields graduated from medical school in 2012, 14 years ago.
What EHR does Katie E. Fields' practice use?
Dmand AI tracks the EHR system at Stanford Hospital at 300 Pasteur Drive and at 2 more sites and 4 medical groups. The vendor and product are available with a free Dmand AI account.
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