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Dr. Russell Evan Leong, MD
NPI1518961069PAC ID1456414812
- Medicare services, 2017
- 78
- Part D claims, 2024
- 22
- Publications
- 3
- Industry payments
- $1,512
- Affiliated sites
- 2
- 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
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Dr. Russell Evan Leong is an allergy 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, 1518961069, was assigned on June 10, 2005. Dr. Leong graduated from UCSF School of Medicine in 1978. Dr. Leong holds California license G40648.
NPI and contact details
- NPI
- 1518961069NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456414812
- NPI enumeration date
- June 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Russell Evan 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. Russell Evan Leong is affiliated with 2 sites of care and 1 medical group
Dr. Leong's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Leong to 1 more group practice or clinic, 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. Russell Evan Leong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leong practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Russell Evan Leong is one of 136 allergy physicians in California
Allergy is Dr. Leong's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Leong is board certified in pediatrics by the American Board of Pediatrics. Dr. Leong is licensed in California.
Specialties and state licenses
- Allergy, CaliforniaPrimary
Clinical focus
Dmand AI lists itchy rashes among the conditions Dr. Leong treats.
Allergy physicians near Dr. Leong
Counts of allergy physicians with a Dmand AI profile, by place and practice. Each opens the list.
136allergy physicians in California
2allergy physicians in San Francisco
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Russell Evan Leong billed Medicare for 78 services in 2017
CMS data shows 78 Medicare services from Dr. Leong across 2 procedure codes in 2017, all of them office visits. Medicare paid $7,495 for them. Every service was in an office.
Medicare services, 201778
Paid by Medicare$7,495
Procedure codes2
Dr. Leong's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1502017: 7848%
- Tests and treatments
- 2016: 4932017: 0100%
Dr. Leong compared with the California median for allergy physicians, 2017
- Dr. Leong
- California median
- Medicare services
- 78vs 2,33497% below
- Part D claims
- 148vs 21531% below
Medians across 123 allergy physicians in California with Dmand AI profiles that report each measure.
Dr. Leong's most billed Medicare procedure codes, 2017
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 allergy physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Russell Evan Leong's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Leong's median patient age at 54, with 63% women.
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 54
Patient panel by sex, all payers
- Women63%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. Russell Evan Leong wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Leong wrote 22 Medicare Part D claims. 73% of them were for generic drugs. They cover 8 drugs, with $31,385 in total drug cost. In 2016, CMS named 244 claims across 10 drugs.
Part D claims, 202422
Drugs named by CMS8
Total drug cost$31,385
Dr. Leong's Part D claims by kind of drug, 2024
- Generic16 claims73%
- Brand-name and other6 claims27%
Dr. Leong's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 2442017: 14839%
Drugs named by CMS: 8 in 2017, 10 in 2016.
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. Russell Evan Leong takes part in Medicare
Dr. Leong 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. Russell Evan Leong has 3 publications on record
Dmand AI links 3 papers to Dr. Leong, published from 2015 to 2017. The most frequent topics are Asthma, Eczema and Probiotics. Dr. Leong has published most often in Pediatrics. Dr. Leong's most frequent co-authors are Michael D. Cabana, MD, Angela Wong, MD and Homer A. Boushey, MD.
Papers3
Years published2015 to 2017
Topics Dr. Leong writes about most
- Asthma
- Eczema
- Probiotics
Dr. Leong's most frequent co-authors
- Michael D. Cabana, MD3 shared papers
- Angela Wong, MD3 shared papers
- Homer A. Boushey, MD1 shared paper
Recent publications by Dr. Leong
Clin Pediatr (Phila)
Breast FeedingDietFood Hypersensitivity
AsthmaEczemaProbiotics
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 allergy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Russell Evan Leong received $1,512 in industry payments from 2016 to 2023
CMS Open Payments shows 47 general payments to Dr. Leong from 18 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 92% of the total. GlaxoSmithKline, LLC. paid the most, $276.
General payments to Dr. Leong by program year, 2016 to 2023
General payments to Dr. Leong by kind, 2016 to 2023
$1.5Kin total
- Food and beverage$1,38592%
- Education$1278%
Companies that paid Dr. Leong the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Russell Evan Leong has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Leong, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Leong
- 2014
- Regional Top Doctor
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Russell Evan Leong graduated from UCSF School of Medicine
Dr. Leong graduated from UCSF School of Medicine in 1978.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Russell Evan Leong accepts plans from 13 insurance carriers
Dr. Leong is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Leong accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Russell Evan 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 Data |
| 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Russell Evan 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. Russell Evan Leong's NPI number?
Dr. Russell Evan Leong's NPI number is 1518961069. It was assigned on June 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Russell Evan Leong?
Dr. Russell Evan Leong is an allergy physician in San Francisco, California. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Russell Evan 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 1 group practice or clinic.
What is Dr. Russell Evan Leong's medical license number?
Dr. Leong holds California license G40648.
What medical group is Dr. Russell Evan Leong part of?
Dr. Leong is linked to Palo Alto Foundation Medical Group.
Does Dr. Russell Evan Leong accept Medicare?
Yes. CMS data shows Dr. Leong billed Medicare for 78 services in 2017, and Dr. Leong accepts Medicare assignment.
Is Dr. Russell Evan Leong board certified?
Yes. Dr. Leong is board certified in pediatrics by the American Board of Pediatrics.
What services does Dr. Russell Evan Leong bill to Medicare?
In 2017, Dr. Leong's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99205).
Where did Dr. Russell Evan Leong go to medical school?
Dr. Leong graduated from UCSF School of Medicine in 1978.
What drugs does Dr. Russell Evan Leong prescribe most?
In 2017 Medicare Part D data, Dr. Leong's most prescribed drugs by claims were Advair Diskus, Fluticasone Propionate and Mometasone Furoate.
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Has Dr. Russell Evan Leong received payments from drug or device companies?
CMS Open Payments shows $1,512 in general payments to Dr. Leong from 18 companies from 2016 to 2023. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Russell Evan Leong been practicing?
Dr. Leong graduated from medical school in 1978, 48 years ago.
Does Dr. Russell Evan Leong do research?
Dmand AI links 3 publications to Dr. Leong, published from 2015 to 2017.
Who does Dr. Russell Evan Leong publish with?
Dr. Leong's most frequent co-authors are Michael D. Cabana, MD (3 shared papers), Angela Wong, MD (3 shared papers) and Homer A. Boushey, MD (1 shared paper).
What insurance does Dr. Russell Evan Leong accept?
Dr. Leong is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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