Dr. Ronald A. Clark, MD
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice locations
- 2
- Practice address
- 909 Hyde St, San Francisco, CA 94109-4822
- Practice phone
- Call (415) 775-2795
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
James R Macho
Surgical practice · San Francisco, California
Find Dr. Clark'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 A. Clark is a general surgeon in Daly City, California
Dr. Clark practices at James R Macho in San Francisco, California.
Dr. Clark's NPI, 1477631919, was assigned on November 1, 2006. Dr. Clark holds California license C357640.
- NPI
- 1477631919NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (415) 775-2795
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ronald A. Clark practices in San Francisco and Daly City
Dr. Clark's primary practice is James R Macho, at 909 Hyde St, San Francisco, CA 94109-4822. The practice phone is (415) 775-2795. The NPI Registry lists Dr. Clark's practice address as 901 Campus Dr, Daly City, CA 94015.
- James R MachoPrimary909 Hyde St, San Francisco, CA 94109-4822Phone(415) 775-2795
- NPI Registry address901 Campus Dr, Daly City, CA 94015 · San Mateo CountyPhone(415) 775-2795
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ronald A. Clark is affiliated with 2 sites of care and 1 medical group
Dr. Clark's primary practice is James R Macho in San Francisco, California. Dmand AI also links Dr. Clark to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ronald A. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| James R Macho | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald A. Clark is one of 2,926 general surgeons in California
Surgery is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Clark is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Clark
Counts of general surgeons 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 A. Clark's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 79, with 100% women.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for Dr. Ronald A. Clark'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel 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 A. Clark
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 A. Clark's NPI number?
Dr. Ronald A. Clark's NPI number is 1477631919. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald A. Clark?
Dr. Ronald A. Clark is a general surgeon in Daly City, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Ronald A. Clark practice?
Dr. Clark practices at 909 Hyde St, San Francisco, CA 94109-4822. Dr. Clark also practices at 901 Campus Dr, Daly City, CA 94015. Dr. Clark's primary practice is James R Macho in San Francisco, California. Dmand AI also links Dr. Clark to 1 physician office and 1 medical group.
What is Dr. Ronald A. Clark's office phone number?
The practice phone on file for Dr. Clark is (415) 775-2795.
What is Dr. Ronald A. Clark's medical license number?
Dr. Clark holds California license C357640.
How long has Dr. Ronald A. Clark been practicing?
Dr. Clark's NPI was assigned in 2006.
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