Acetic AcidBlood Gas Monitoring, TranscutaneousCapnography
Dr. Markus T. Leong, MD
NPI1427136050PAC ID9537064217
- Medicare services, 2024
- 723
- Medicare patients, 2024
- 433
- Part D claims, 2024
- 196
- Publications
- 2
- MIPS score, 2024
- 97
- Practice address
- 2333 Buchanan St, San Francisco, CA 94115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD
Acute Care Hospital outpatient department · San Francisco, California
Find Dr. Leong's 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. Markus T. Leong is an emergency medicine physician in San Francisco, California
Dr. Leong practices at California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California.
Dr. Leong's NPI, 1427136050, was assigned on November 1, 2006. Dr. Leong graduated from George Washington University School of Medicine and Health Sciences in 2000. Dr. Leong holds California license A81198.
NPI and contact details
- NPI
- 1427136050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537064217
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Markus T. Leong practices at California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California
Dr. Leong's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD, at 2333 Buchanan St, San Francisco, CA 94115.
- California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD2333 Buchanan St, San Francisco, CA 94115
Source: Dmand AI Affiliation Data
Dr. Markus T. Leong is affiliated with 7 sites of care and 3 medical groups
Dr. Leong's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Dr. Leong is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Leong to 4 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Markus T. Leong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leong practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Markus T. Leong is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Leong's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Leong is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Leong's licenses on file in 2 states: California and Tennessee.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Tennessee license
Emergency medicine physicians near Dr. Leong
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. Markus T. Leong billed Medicare for 723 services in 2024
CMS data shows 723 Medicare services from Dr. Leong across 4 procedure codes in 2024, for 433 Medicare patients. Medicare paid $67,149 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024723
Medicare patients433
Paid by Medicare$67,149
Procedure codes4
Dr. Leong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4642024: 4278%
- Tests and treatments
- 2023: 1002024: 296196%
Dr. Leong compared with the California median for emergency medicine physicians, 2024
- Dr. Leong
- California median
- Medicare services
- 723vs 2652.7 times
- Medicare patients
- 433vs 24378% above
- Part D claims
- 114vs 6284% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Leong'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.
Need commercial claims for Dr. Leong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leong and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Markus T. Leong treated 433 Medicare patients in 2024, average age 75
CMS counts 433 Medicare patients who saw Dr. Leong in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 56% are also on Medicaid. Their average risk score is 2.27, 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. Leong's median patient age at 52, with 43% women.
Medicare patients, 2024433
Average age75
Average risk score2.27
Also on Medicaid56%
Dr. Leong's Medicare patients by age, 2024
Dr. Leong's Medicare patients by sex, 2024
- Women22652%
- Men20748%
Chronic conditions among Dr. Leong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis46%
- Diabetes42%
- Chronic kidney disease39%
- Mood disorders37%
- Anxiety31%
- Depression31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women43%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Markus T. Leong wrote 196 Medicare Part D claims in 2024
In 2024, Dr. Leong wrote 196 Medicare Part D claims for 148 patients. 91% of them were for generic drugs. CMS names the drug for 114 of them, across 5 drugs with 11 or more claims each, at $484 in total drug cost. In 2023, CMS named 59 claims across 3 drugs.
Part D claims, 2024196
Drugs named by CMS5
Total drug cost$484
Part D patients148
Dr. Leong's Part D claims by kind of drug, 2024
- Generic179 claims91%
- Brand-name and other17 claims9%
Dr. Leong'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. Leong's Part D claims, 2024
- Opioids8%15 of 196 claims
- Antibiotics49%96 of 196 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: 592024: 11493%
Drugs named by CMS: 5 in 2024, 3 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. Markus T. Leong scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Leong for performance year 2024, reported as part of a group. Dr. Leong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Leong's MIPS scores, performance year 2024
- 97of 100Final score
- 91.9of 100Quality
- 40of 100Improvement Activities
- 79of 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), 2024 data, released September 10, 2026
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Dr. Markus T. Leong has 2 publications on record
Dmand AI links 2 papers to Dr. Leong. Dr. Leong's most frequent co-author is Joseph S. Ghebrial, DO.
Papers2
Dr. Leong's most frequent co-authors
Recent publications by Dr. Leong
See who Dr. Leong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leong works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Markus T. Leong graduated from George Washington University School of Medicine and Health Sciences
Dr. Leong graduated from George Washington University School of Medicine and Health Sciences in 2000.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Markus T. Leong accepts plans from 3 insurance carriers
Dr. Leong is in network with 3 carriers, including Excellus BlueCross BlueShield, CMS Medicare and GA State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
- GA State Medicaid
Plan types Dr. Leong accepts, by number of carriers
- Medicare2
- HMO1
- Medicaid1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Markus T. Leong'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Markus T. Leong
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. Markus T. Leong's NPI number?
Dr. Markus T. Leong's NPI number is 1427136050. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Markus T. Leong?
Dr. Markus T. Leong 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. Markus T. Leong practice?
Dr. Leong practices at 2333 Buchanan St, San Francisco, CA 94115. Dr. Leong's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Dmand AI also links Dr. Leong to 4 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Markus T. Leong's medical license number?
Dr. Leong holds California license A81198, one of the licenses on file in 2 states.
Which states has Dr. Markus T. Leong been licensed in?
Dmand AI has state licenses on file for Dr. Leong in California (2002 to 2026) and Tennessee (2012 to 2018).
Which hospitals is Dr. Markus T. Leong affiliated with?
Dr. Leong is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Leong to 4 more hospitals.
What medical group is Dr. Markus T. Leong part of?
Dr. Leong is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Leong to 2 more medical groups.
Does Dr. Markus T. Leong accept Medicare?
Yes. CMS data shows Dr. Leong billed Medicare for 723 services in 2024, and Dr. Leong accepts Medicare assignment.
What is Dr. Markus T. Leong's MIPS score?
Dr. Leong's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Markus T. Leong see?
CMS counts 433 Medicare patients who saw Dr. Leong in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Markus T. Leong board certified?
Yes. Dr. Leong is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Markus T. Leong bill to Medicare?
In 2024, Dr. Leong's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Markus T. Leong go to medical school?
Dr. Leong graduated from George Washington University School of Medicine and Health Sciences in 2000.
What drugs does Dr. Markus T. Leong prescribe most?
In 2024 Medicare Part D data, Dr. Leong's most prescribed drugs by claims were Cephalexin, Prednisone and Amoxicillin-Clavulanate Potass.
How long has Dr. Markus T. Leong been practicing?
Dr. Leong graduated from medical school in 2000, 26 years ago.
Does Dr. Markus T. Leong do research?
Dmand AI links 2 publications to Dr. Leong.
Who does Dr. Markus T. Leong publish with?
Dr. Leong's most frequent co-authors are Joseph S. Ghebrial, DO (1 shared paper).
What insurance does Dr. Markus T. Leong accept?
Dr. Leong is in network with 3 carriers, including Excellus BlueCross BlueShield, CMS Medicare and GA State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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