Dr. Dorcas Chi, MD

  • Santa Monica, CA
  • Hematologist and oncologist
NPI1922040609PAC ID4183637408
Medicare services, 2024
12,111
Medicare patients, 2024
291
Part D claims, 2024
872
Publications
4
Clinical trials
6
Practice address
1250 16th Street, Santa Monica, CA 90404
Practice phone
Call (310) 319-4000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

UCLA Santa Monica Medical Center

Hospital · Santa Monica, California

See all 7 affiliations

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Dr. Dorcas Chi is a hematologist and oncologist in Santa Monica, California

Dr. Chi practices at UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health.

Dr. Chi's NPI, 1922040609, was assigned on June 10, 2006. Dr. Chi graduated from Tufts University School Of Medicine in 2003. Dr. Chi holds California license C159144.

NPI and contact details
Medicare PAC ID
4183637408
NPI enumeration date
June 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 319-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dorcas Chi practices at UCLA Santa Monica Medical Center in Santa Monica, California

Dr. Chi's primary practice is UCLA Santa Monica Medical Center, at 1250 16th Street, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 319-4000.

Source: Dmand AI Affiliation Data

Dr. Dorcas Chi is affiliated with 5 sites of care and 2 medical groups

Dr. Chi's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dr. Chi is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Chi to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Chi

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Dorcas Chi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chi practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCLA Santa Monica Medical CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dorcas Chi is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Chi's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Chi is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Chi's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense C159144 · 2018 to 2026 · taxonomy 207RH0003X
  • Internal medicine, MassachusettsLicense 226137 · 2005 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, lung cancer, lymphoma, multiple myeloma and neutropenia among the conditions Dr. Chi treats.

Hematologists and oncologists near Dr. Chi

Counts of hematologists and 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. Dorcas Chi billed Medicare for 12,111 services in 2024

CMS data shows 12,111 Medicare services from Dr. Chi across 19 procedure codes in 2024, for 291 Medicare patients. Medicare paid $249,629 for them.

Medicare services, 202412,111
Medicare patients291
Paid by Medicare$249,629
Procedure codes19

Dr. Chi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 7,8982024: 10,52933%
Office and hospital visits
2023: 7772024: 58525%
Tests and treatments
2023: 5272024: 4966%
Lab and pathology
2023: 5132024: 42318%
Surgery
2023: 902024: 7813%

Where Dr. Chi's Medicare services took place, 2024

  • In an office12,03999%
  • In a facility721%

Dr. Chi compared with the California median for hematologists and oncologists, 2024

  • Dr. Chi
  • California median
Medicare services
12,111vs 93213.0 times
Medicare patients
291vs 22529% above
Part D claims
608vs 39454% above

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Chi'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.

See all procedures by Dr. Chi

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Dorcas Chi treated 291 Medicare patients in 2024, average age 73

CMS counts 291 Medicare patients who saw Dr. Chi in 2024. The largest group is 65 to 74, with 160 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.75, 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. Chi's median patient age at 61, with 78% women.

Medicare patients, 2024291
Average age73
Average risk score1.75
Also on Medicaid29%

Dr. Chi's Medicare patients by age, 2024

Dr. Chi's Medicare patients by sex, 2024

  • Women22678%
  • Men6522%

Chronic conditions among Dr. Chi's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Cancer63%
  4. Arthritis45%
  5. Diabetes37%
  6. Osteoporosis31%
  7. Chronic kidney disease30%
  8. Ischemic heart disease28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women78%
  • Men21%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Dorcas Chi wrote 872 Medicare Part D claims in 2024

In 2024, Dr. Chi wrote 872 Medicare Part D claims for 164 patients. 81% of them were for generic drugs. CMS names the drug for 608 of them, across 18 drugs with 11 or more claims each, at $1,316,860 in total drug cost. In 2023, CMS named 597 claims across 16 drugs.

Part D claims, 2024872
Drugs named by CMS18
Total drug cost$1.3M
Part D patients164

Dr. Chi's Part D claims by kind of drug, 2024

  • Generic708 claims81%
  • Brand-name164 claims19%

Dr. Chi'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.

Drug classes CMS tracks in Dr. Chi's Part D claims, 2024

  • Opioids2%16 of 872 claims
  • Antibiotics3%28 of 872 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5972024: 6082%

Drugs named by CMS: 18 in 2024, 16 in 2023.

See all prescribing by Dr. Chi

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. Dorcas Chi offers telehealth to Medicare patients

Dr. Chi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Dorcas Chi has 4 publications on record

Dmand AI links 4 papers to Dr. Chi, published from 2011 to 2013. 2011 was the busiest year, with 2. Dr. Chi's most frequent co-authors are Jeffrey William Clark, MD, Henning A. Gaissert, MD and Olga N. Kozyreva, MD.

Papers4
Years published2011 to 2013

Dr. Chi's most frequent co-authors

Recent publications by Dr. Chi

See all 4 publications and co-authors

See who Dr. Chi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chi works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Dorcas Chi has worked on 6 clinical trials

Dmand AI links Dr. Chi to 6 clinical trials, 2 of them phase 2 studies. 2 are still active or recruiting. Conditions studied include Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating and Breast Carcinoma In Situ. SWOG Cancer Research Network sponsors the most, 2.

Clinical trials with Dr. Chi by phase

  1. NonePhase 1: no trials
  2. 2Phase 2: 2 trials
  3. 2Phase 3: 2 trials
  4. NonePhase 4: no trials

Conditions in Dr. Chi's trials

  • Breast Neoplasms
  • Carcinoma, Intraductal, Noninfiltrating
  • Breast Carcinoma In Situ
  • Breast Diseases
  • Hodgkin Disease

Investigators on the most trials with Dr. Chi

Recent clinical trials with Dr. Chi

See all 6 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Dorcas Chi received $179 in industry payments from 2016 to 2025

CMS Open Payments shows 6 general payments to Dr. Chi from 5 drug and device companies from 2016 to 2025. Education make up the largest share, 68% of the total. Janssen Pharmaceuticals, Inc paid the most, $74.

General payments to Dr. Chi by program year, 2016 to 2025

General payments to Dr. Chi by kind, 2016 to 2025

$179in total
  • Education$12168%
  • Food and beverage$5832%

Companies that paid Dr. Chi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Dorcas Chi graduated from Tufts University School Of Medicine

Dr. Chi graduated from Tufts University School Of Medicine in 2003.

  1. Medical schoolTufts University School Of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Dorcas Chi accepts plans from 15 insurance carriers

Dr. Chi is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Chi accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dorcas Chi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Dorcas Chi

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. Dorcas Chi's NPI number?

Dr. Dorcas Chi's NPI number is 1922040609. It was assigned on June 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Dorcas Chi?

Dr. Dorcas Chi is a hematologist and oncologist in Santa Monica, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Dorcas Chi practice?

Dr. Chi practices at 1250 16th Street, Santa Monica, CA 90404. Dr. Chi's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dmand AI also links Dr. Chi to 2 hospitals, 1 group practice or clinic and 1 medical group.

What is Dr. Dorcas Chi's office phone number?

The practice phone on file for Dr. Chi is (310) 319-4000.

What is Dr. Dorcas Chi's medical license number?

Dr. Chi holds California license C159144, one of the licenses on file in 2 states.

Which states has Dr. Dorcas Chi been licensed in?

Dmand AI has state licenses on file for Dr. Chi in California (2018 to 2026) and Massachusetts (2005 to 2025).

Which hospitals is Dr. Dorcas Chi affiliated with?

Dr. Chi practices at UCLA Santa Monica Medical Center in Santa Monica, California. Dr. Chi is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Chi to 2 more hospitals.

What medical group is Dr. Dorcas Chi part of?

Dr. Chi is linked to UCLA Medical Group. Dmand AI links Dr. Chi to 1 more medical group.

Does Dr. Dorcas Chi accept Medicare?

Yes. CMS data shows Dr. Chi billed Medicare for 12,111 services in 2024, and Dr. Chi accepts Medicare assignment.

Does Dr. Dorcas Chi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chi as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Dorcas Chi see?

CMS counts 291 Medicare patients who saw Dr. Chi in 2024, with an average age of 73.

Is Dr. Dorcas Chi board certified?

Yes. Dr. Chi is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Dorcas Chi bill to Medicare?

In 2024, Dr. Chi's most billed Medicare services were injected or infused drug (J0897), injected or infused drug (J2405) and injected or infused drug (J1100).

Where did Dr. Dorcas Chi go to medical school?

Dr. Chi graduated from Tufts University School Of Medicine in 2003.

What drugs does Dr. Dorcas Chi prescribe most?

In 2024 Medicare Part D data, Dr. Chi's most prescribed drugs by claims were Anastrozole, Tamoxifen Citrate and Letrozole.

Has Dr. Dorcas Chi received payments from drug or device companies?

CMS Open Payments shows $179 in general payments to Dr. Chi from 5 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Dorcas Chi been practicing?

Dr. Chi graduated from medical school in 2003, 23 years ago.

Does Dr. Dorcas Chi do research?

Dmand AI links 4 publications to Dr. Chi, published from 2011 to 2013. Dr. Chi has worked on 6 clinical trials.

Who does Dr. Dorcas Chi publish with?

Dr. Chi's most frequent co-authors are Jeffrey William Clark, MD (1 shared paper), Henning A. Gaissert, MD (1 shared paper) and Olga N. Kozyreva, MD (1 shared paper).

What insurance does Dr. Dorcas Chi accept?

Dr. Chi is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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