Guy Ringler, M.D.
Reproductive Endocrinology Physician · Los Angeles, CA
Guy Ringler, M.D. is a reproductive endocrinology physician with a practice address in Los Angeles, California, and NPI 1962557967, issued on Jan 23, 2007. Check the license (California G69499, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Guy Ringler
- Credential
- M.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- G69499 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11818 Wilshire Blvd, Los Angeles, CA 90025
- Phone
- (310) 828-4008
- Enumerated
- Jan 23, 2007
- Entity
- Type 1 · individual
Also registered at 11818 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Baek, MDReproductive Endocrinology Physician1144385212
- Veronica Burwick, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1477081305
- Leland Foshag, M.D.Surgical Oncology Physician1659441293
- Charles March, M.D.Reproductive Endocrinology Physician1427101591
- Richard Marrs, M.D.Reproductive Endocrinology Physician1639224629
Verify Guy Ringler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69499Check 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: $120.41
5 payments, mostly food and beverage; the largest payer was Organon Llc. The 844 providers of this specialty with any payment received $1,322.91 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.
Reproductive Endocrinology Physician providers in California
There are 220 reproductive endocrinology physician records in California.
Other reproductive endocrinology physician records in California
- Mary Abusief, M.D.East Palo Alto, CA1639206733
- Brian Acacio, M.D.Laguna Niguel, CA1952313140
- Geoffrey Adamson, M.D.Mountain View, CA1780781690
- Jennifer Agard, M.D.Greenbrae, CA1003044553
- Zain Al-Safi, M.D.Los Angeles, CA1578728317
- Robert Anderson, M.D.Newport Beach, CA1023126562
- Helen AnglinSan Diego, CA1952721243
- John ArpelsLarkspur, CA1437229333
- Ramchandra Rao Ayyagari, M.D.Bakersfield, CA1942230644
- Kelly Baek, MDLos Angeles, CA1144385212
Common questions
What is Guy Ringler, M.D.'s NPI number?
Guy Ringler, M.D.'s National Provider Identifier (NPI) is 1962557967, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Guy Ringler, M.D. located?
The NPPES record lists a practice address at 11818 Wilshire Blvd, Los Angeles, CA, 90025. Phone: (310) 828-4008. Providers update this record themselves, so call before visiting.
How can I verify Guy Ringler, M.D.'s license?
NPPES lists California license number G69499, 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.