Dr. Ronald Leigh Fong, MD
- Part D claims, 2023
- 27
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1100 Veterans Boulevard, Redwood City, CA 94063
- Practice phone
- Call (650) 299-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fong'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. Ronald Leigh Fong is an internist in Redwood City, California
Dr. Fong practices at Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente.
Dr. Fong's NPI, 1679652713, was assigned on November 2, 2006. Dr. Fong graduated from Icahn School Of Medicine At Mount Sinai in 1974. Dr. Fong holds California license G30899.
- NPI
- 1679652713NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Practice phone
- (650) 299-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald Leigh Fong practices at Redwood City Medical Center in Redwood City, California
Dr. Fong's primary practice is Redwood City Medical Center, at 1100 Veterans Boulevard, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.
- Redwood City Medical Center1100 Veterans Boulevard, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000
Source: Dmand AI Affiliation Data
Dr. Ronald Leigh Fong is affiliated with 1 site of care
Dr. Fong's primary practice is Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ronald Leigh Fong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Redwood City Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald Leigh Fong is one of 16,751 internists in California
Internal medicine is Dr. Fong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fong is board certified in internal medicine by the American Board of Internal Medicine. Dr. Fong is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Fong
Counts of internists 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. Ronald Leigh Fong's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Fong's median patient age at 76, with 50% women.
Dr. Fong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Ronald Leigh Fong wrote 27 Medicare Part D claims in 2023
In 2023, Dr. Fong wrote 27 Medicare Part D claims. They cover 1 drug, with $1,409 in total drug cost. In 2022, CMS named 1,518 claims across 33 drugs.
Dr. Fong's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1,5182023: 2798%
Drugs named by CMS: 1 in 2023, 33 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ronald Leigh Fong has 1 award and honors on record
Dmand AI lists 1 award for Dr. Fong, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Fong
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Ronald Leigh Fong graduated from Icahn School Of Medicine At Mount Sinai
Dr. Fong graduated from Icahn School Of Medicine At Mount Sinai in 1974.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald Leigh Fong'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 DataDmand AI Org Hierarchy Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ronald Leigh Fong
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. Ronald Leigh Fong's NPI number?
Dr. Ronald Leigh Fong's NPI number is 1679652713. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald Leigh Fong?
Dr. Ronald Leigh Fong is an internist in Redwood City, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ronald Leigh Fong practice?
Dr. Fong practices at 1100 Veterans Boulevard, Redwood City, CA 94063. Dr. Fong's primary practice is Redwood City Medical Center in Redwood City, California, part of Kaiser Permanente.
What is Dr. Ronald Leigh Fong's office phone number?
The practice phone on file for Dr. Fong is (650) 299-2000.
What is Dr. Ronald Leigh Fong's medical license number?
Dr. Fong holds California license G30899.
Which hospitals is Dr. Ronald Leigh Fong affiliated with?
Dr. Fong practices at Redwood City Medical Center in Redwood City, California.
Is Dr. Ronald Leigh Fong board certified?
Yes. Dr. Fong is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Ronald Leigh Fong go to medical school?
Dr. Fong graduated from Icahn School Of Medicine At Mount Sinai in 1974.
What drugs does Dr. Ronald Leigh Fong prescribe most?
In 2023 Medicare Part D data, Dr. Fong's most prescribed drugs by claims were Adacel Tdap.
How long has Dr. Ronald Leigh Fong been practicing?
Dr. Fong graduated from medical school in 1974, 52 years ago.
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