Guy E. Ringler, M.D.
Reproductive Endocrinology Physician · Los Angeles, CA
Guy E. 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 E. 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
- Record last updated
- Apr 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (310) 828-3310
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 267 in California → Look up another NPI →
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 E. 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; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 1,066 providers of this specialty with any payment received $1,086.52 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.
Guy E. Ringler among 267 reproductive endocrinology physician records in California
Guy E. Ringler, M.D. is one of 267 reproductive endocrinology physician records with a practice address in California. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 36% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in California
There are 267 reproductive endocrinology physician records in California.
All 267 in California → Every provider in Los Angeles → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Kelly Baek, MDLos Angeles, CA 900251144385212
- Karine Chung, M.D.Los Angeles, CA 900251386795144
- Ellen Goldstein, M.D.Los Angeles, CA 900251447578604
- Sasha Hakman, M.D.Los Angeles, CA 900251386058055
- Charles March, M.D.Los Angeles, CA 900251427101591
- Richard Marrs, M.D.Los Angeles, CA 900251639224629
- Semara Thomas, M.D.Los Angeles, CA 900251578829362
- Nina Vyas, M.D.Los Angeles, CA 900251972966802
Common questions
What is Guy E. Ringler, M.D.'s NPI number?
Guy E. 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 E. 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 E. 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), 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.