Dr. Tingting Christine Ko, MD

  • San Francisco, CA
  • Emergency medicine physician
NPI1225058712PAC ID8729158514
Medicare services, 2024
645
Medicare patients, 2024
441
Part D claims, 2024
120
Hospital affiliations
2
Medical groups
3
Practice address
450 Stanyan St, San Francisco, CA 94117
Practice phone
Call (415) 353-4739
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF St Mary's Hospital

San Francisco, California

See all 8 affiliations

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Dr. Tingting Christine Ko is an emergency medicine physician in San Francisco, California

Dr. Ko practices at UCSF St Mary's Hospital in San Francisco, California.

Dr. Ko's NPI, 1225058712, was assigned on July 20, 2006. Dr. Ko graduated from SUNY Downstate Health Sciences University in 1998. Dr. Ko holds California license A78139.

NPI and contact details
Medicare PAC ID
8729158514
NPI enumeration date
July 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 353-4739
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
54
Medical school graduation
1998

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

Dr. Tingting Christine Ko practices at UCSF St Mary's Hospital in San Francisco, California

Dr. Ko's primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.

  • UCSF St Mary's Hospital
    450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tingting Christine Ko is affiliated with 5 sites of care and 3 medical groups

Dr. Ko's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dr. Ko is also affiliated with UCSF Health Stanyan Hospital. The medical group on file is Vituity. Dmand AI also links Dr. Ko to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 8 affiliations for Dr. Ko

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. Tingting Christine Ko's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF St Mary's HospitalAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tingting Christine Ko is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ko is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Ko's licenses on file in 15 states: California, Florida, Illinois, New York, Tennessee, Washington, Colorado, Indiana, New Jersey, Nevada, Oregon, Texas, Wisconsin, Arizona and Idaho.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A78139 · 2002 to 2026 · taxonomy 207P00000X
  • Florida licenseSince 2022
  • Illinois license2021 to 2026
  • New York licenseLicense 320633 · 2022 to 2026
  • Tennessee license2023 to 2026
  • Washington license2021 to 2026
  • Colorado license2023 to 2025
  • Indiana license2021 to 2025
  • New Jersey license2021 to 2025
  • Nevada license2021 to 2025
  • Oregon license2021 to 2025
  • Texas license2023 to 2025
  • Wisconsin license2021 to 2025
  • Arizona license2021 to 2024
  • Idaho license2021 to 2024

Emergency medicine physicians near Dr. Ko

Counts of emergency medicine physicians 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. Tingting Christine Ko billed Medicare for 645 services in 2024

CMS data shows 645 Medicare services from Dr. Ko across 5 procedure codes in 2024, for 441 Medicare patients. Medicare paid $59,516 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024645
Medicare patients441
Paid by Medicare$59,516
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 3942024: 45215%
Tests and treatments
2023: 1582024: 19322%

Dr. Ko compared with the California median for emergency medicine physicians, 2024

  • Dr. Ko
  • California median
Medicare services
645vs 2652.4 times
Medicare patients
441vs 24381% above
Part D claims
50vs 6219% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Ko'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. Ko

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

Dr. Tingting Christine Ko treated 441 Medicare patients in 2024, average age 75

CMS counts 441 Medicare patients who saw Dr. Ko in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 59% are also on Medicaid. Their average risk score is 2.28, 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. Ko's median patient age at 49, with 55% women.

Medicare patients, 2024441
Average age75
Average risk score2.28
Also on Medicaid59%

Dr. Ko's Medicare patients by age, 2024

Dr. Ko's Medicare patients by sex, 2024

  • Women23553%
  • Men20647%

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

  1. High blood pressure75%
  2. High cholesterol70%
  3. Arthritis50%
  4. Mood disorders41%
  5. Diabetes39%
  6. Depression37%
  7. Chronic kidney disease36%
  8. Ischemic heart disease33%

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

Dr. Ko's patients across all payers

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

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women55%
  • Men42%

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

Dr. Tingting Christine Ko wrote 120 Medicare Part D claims in 2024

In 2024, Dr. Ko wrote 120 Medicare Part D claims for 105 patients. 94% of them were for generic drugs. CMS names the drug for 50 of them, across 3 drugs with 11 or more claims each, at $296 in total drug cost. In 2023, CMS named 39 claims across 2 drugs.

Part D claims, 2024120
Drugs named by CMS3
Total drug cost$296
Part D patients105

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

  • Generic113 claims94%
  • Brand-name and other7 claims6%

Dr. Ko'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. Ko's Part D claims, 2024

  • Antibiotics43%51 of 120 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: 392024: 5028%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Ko

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

How Dr. Tingting Christine Ko takes part in Medicare

Dr. Ko 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. Tingting Christine Ko graduated from SUNY Downstate Health Sciences University

Dr. Ko graduated from SUNY Downstate Health Sciences University in 1998.

  1. Medical schoolSUNY Downstate Health Sciences University
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Tingting Christine Ko accepts plans from 8 insurance carriers

Dr. Ko is in network with 8 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross Blue Shield of Michigan
  • CMS Medicare
  • DentaQuest
  • Elevance
  • HCSC

Plan types Dr. Ko accepts, by number of carriers

  1. PPO5
  2. Medicare2
  3. POS2
  4. EPO1
  5. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Tingting Christine Ko'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Tingting Christine Ko

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. Tingting Christine Ko's NPI number?

Dr. Tingting Christine Ko's NPI number is 1225058712. It was assigned on July 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tingting Christine Ko?

Dr. Tingting Christine Ko is an emergency medicine physician in San Francisco, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Tingting Christine Ko practice?

Dr. Ko practices at 450 Stanyan St, San Francisco, CA 94117. Dr. Ko's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Dr. Ko to 1 hospital, 2 group practices and clinics and 2 medical groups.

What is Dr. Tingting Christine Ko's office phone number?

The practice phone on file for Dr. Ko is (415) 353-4739.

What is Dr. Tingting Christine Ko's medical license number?

Dr. Ko holds California license A78139, one of the licenses on file in 15 states.

Which states has Dr. Tingting Christine Ko been licensed in?

Dmand AI has state licenses on file for Dr. Ko in California (2002 to 2026), Florida (since 2022), Illinois (2021 to 2026), New York (2022 to 2026), Tennessee (2023 to 2026), Washington (2021 to 2026), Colorado (2023 to 2025), Indiana (2021 to 2025), New Jersey (2021 to 2025), Nevada (2021 to 2025), Oregon (2021 to 2025), Texas (2023 to 2025), Wisconsin (2021 to 2025), Arizona (2021 to 2024) and Idaho (2021 to 2024).

Which hospitals is Dr. Tingting Christine Ko affiliated with?

Dr. Ko is affiliated with UCSF Health Stanyan Hospital. Dmand AI links Dr. Ko to 1 more hospital.

What medical group is Dr. Tingting Christine Ko part of?

Dr. Ko is linked to Vituity. Dmand AI links Dr. Ko to 2 more medical groups.

Does Dr. Tingting Christine Ko accept Medicare?

Yes. CMS data shows Dr. Ko billed Medicare for 645 services in 2024, and Dr. Ko accepts Medicare assignment.

How many Medicare patients does Dr. Tingting Christine Ko see?

CMS counts 441 Medicare patients who saw Dr. Ko in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

Is Dr. Tingting Christine Ko board certified?

Yes. Dr. Ko is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Tingting Christine Ko bill to Medicare?

In 2024, Dr. Ko's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did Dr. Tingting Christine Ko go to medical school?

Dr. Ko graduated from SUNY Downstate Health Sciences University in 1998.

What drugs does Dr. Tingting Christine Ko prescribe most?

In 2024 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Cephalexin, Ibuprofen and Ondansetron ODT.

How long has Dr. Tingting Christine Ko been practicing?

Dr. Ko graduated from medical school in 1998, 28 years ago.

What insurance does Dr. Tingting Christine Ko accept?

Dr. Ko is in network with 8 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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