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Dr. Kristen Janet Shields, DO
NPI1497218820PAC ID1658606413
- Medicare services, 2024
- 66
- Medicare patients, 2024
- 73
- Publications
- 1
- Industry payments
- $17
- Affiliated sites
- 1
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Shields' 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.
Dr. Kristen Janet Shields is a hospitalist in Duarte, California
Dr. Shields practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Shields' NPI, 1497218820, was assigned on April 11, 2019. Dr. Shields graduated from WesternU College of Osteopathic Medicine of the Pacific in 2019. Dr. Shields holds California license 20A19389.
NPI and contact details
- NPI
- 1497218820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658606413
- NPI enumeration date
- April 11, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kristen Janet Shields practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Shields' primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kristen Janet Shields is affiliated with 2 sites of care and 2 medical groups
Dr. Shields' primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Shields to 1 more other site and 1 medical group, each named with a free account.
City of Hope Comprehensive Cancer Center - DuartePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kristen Janet Shields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shields practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kristen Janet Shields is one of 3,186 hospitalists in California
Hospitalist is Dr. Shields' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Shields is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Shields' licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Internal medicine, Arizona
Hospitalists near Dr. Shields
Counts of hospitalists 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. Kristen Janet Shields billed Medicare for 66 services in 2024
CMS data shows 66 Medicare services from Dr. Shields across 3 procedure codes in 2024, for 73 Medicare patients. Medicare paid $8,615 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202466
Medicare patients73
Paid by Medicare$8,615
Procedure codes3
Dr. Shields compared with the California median for hospitalists, 2024
- Dr. Shields
- California median
- Medicare services
- 66vs 43085% below
- Medicare patients
- 73vs 20164% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Shields' 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shields and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kristen Janet Shields treated 73 Medicare patients in 2024, average age 71
CMS counts 73 Medicare patients who saw Dr. Shields in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 49% are also on Medicaid. Their average risk score is 3.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Shields' median patient age at 63, with 48% women.
Medicare patients, 202473
Average age71
Average risk score3.18
Also on Medicaid49%
Dr. Shields' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Shields' Medicare patients by sex, 2024
- Women3548%
- Men3852%
Chronic conditions among Dr. Shields' Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis48%
- Cancer48%
- Chronic kidney disease47%
- Diabetes42%
- Ischemic heart disease42%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shields' 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
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Kristen Janet Shields takes part in Medicare
Dr. Shields 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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Dr. Kristen Janet Shields has 1 publication on record
Dmand AI links 1 paper to Dr. Shields in 2017. Dr. Shields' most frequent co-authors are Wing C. Chan, MD, Christopher Chen, MD and Joo Y. Song, MD.
Papers1
Dr. Shields' most frequent co-authors
Recent publications by Dr. Shields
See who Dr. Shields researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shields works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kristen Janet Shields received $17 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Shields from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $17.
Companies that paid Dr. Shields the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kristen Janet Shields graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Shields graduated from WesternU College of Osteopathic Medicine of the Pacific in 2019.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Kristen Janet Shields accepts plans from 10 insurance carriers
Dr. Shields is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
- Aetna
- Alliant Health Plans
- +2 more carriersWith a free account
Plan types Dr. Shields accepts, by number of carriers
- Medicare6
- PPO6
- HMO5
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kristen Janet Shields'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Kristen Janet Shields
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. Kristen Janet Shields' NPI number?
Dr. Kristen Janet Shields' NPI number is 1497218820. It was assigned on April 11, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Kristen Janet Shields?
Dr. Kristen Janet Shields is a hospitalist in Duarte, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Kristen Janet Shields practice?
Dr. Shields practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Shields' primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Shields to 1 other site and 1 medical group.
What is Dr. Kristen Janet Shields' office phone number?
The practice phone on file for Dr. Shields is (800) 826-4673.
What is Dr. Kristen Janet Shields' medical license number?
Dr. Shields holds California license 20A19389, one of the licenses on file in 2 states.
Which states has Dr. Kristen Janet Shields been licensed in?
Dmand AI has state licenses on file for Dr. Shields in California (2022 to 2027) and Arizona (2019 to 2023).
What medical group is Dr. Kristen Janet Shields part of?
Dr. Shields is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Shields to 1 more medical group.
Does Dr. Kristen Janet Shields accept Medicare?
Yes. CMS data shows Dr. Shields billed Medicare for 66 services in 2024, and Dr. Shields accepts Medicare assignment.
How many Medicare patients does Dr. Kristen Janet Shields see?
CMS counts 73 Medicare patients who saw Dr. Shields in 2024, with an average age of 71.
Is Dr. Kristen Janet Shields board certified?
Yes. Dr. Shields is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Kristen Janet Shields bill to Medicare?
In 2024, Dr. Shields' most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and critical care (99291).
Where did Dr. Kristen Janet Shields go to medical school?
Dr. Shields graduated from WesternU College of Osteopathic Medicine of the Pacific in 2019.
Has Dr. Kristen Janet Shields received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Shields from 1 company from 2022 to 2022. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Kristen Janet Shields been practicing?
Dr. Shields graduated from medical school in 2019, 7 years ago.
Does Dr. Kristen Janet Shields do research?
Dmand AI links 1 publication to Dr. Shields.
Who does Dr. Kristen Janet Shields publish with?
Dr. Shields' most frequent co-authors are Wing C. Chan, MD (1 shared paper), Christopher Chen, MD (1 shared paper) and Joo Y. Song, MD (1 shared paper).
What insurance does Dr. Kristen Janet Shields accept?
Dr. Shields is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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