Christopher Ian Flowers, MD
Diagnostic Radiology Physician · San Francisco, CA
Christopher Ian Flowers, MD is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1407025661, issued on Feb 21, 2008. Check the license (California F5441, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Ian Flowers
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- F5441 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Divisadero St, San Francisco, CA 94115
- Phone
- (415) 885-7785
- Enumerated
- Feb 21, 2008
- Record last updated
- Feb 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 1600 Divisadero St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher Ian Flowers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license F5441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $111.20
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Christopher Ian Flowers among 4,500 diagnostic radiology physician records in California
Christopher Ian Flowers, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in San Francisco → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- George Bailey, MDSan Francisco, CA 941151801974415
- John Bokelman, M.D.San Francisco, CA 941151689655730
- Richard Brenner, MDSan Francisco, CA 941151710942560
- Philip Brodey, M.D.San Francisco, CA 941151710929393
- Howard Carpenter, MDSan Francisco, CA 941151134187644
- Myrtha Cesar, MDSan Francisco, CA 941151205914827
- Allan Fisch, MDSan Francisco, CA 941151891873493
- Donald Fong, MDSan Francisco, CA 941151003994690
Common questions
What is Christopher Ian Flowers, MD's NPI number?
Christopher Ian Flowers, MD's National Provider Identifier (NPI) is 1407025661, issued on Feb 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Ian Flowers, MD located?
The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94115. Phone: (415) 885-7785. Providers update this record themselves, so call before visiting.
How can I verify Christopher Ian Flowers, MD's license?
NPPES lists California license number F5441, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.