Tiffany Anne Etterman, DO
Obstetrics & Gynecology Physician · Torrance, CA
Tiffany Anne Etterman, DO is an obstetrics & gynecology physician with a practice address in Torrance, California, and NPI 1023507464, issued on May 1, 2018. Check the license (California 20A24460, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tiffany Anne Etterman
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 20A24460 CA
5101023777 MI
Self-reported in NPPES; status is on the state search - Practice location
- 20911 Earl St Ste 440, Torrance, CA 90503
- Phone
- (310) 793-2566
- Enumerated
- May 1, 2018
- Record last updated
- Jan 2, 2026
- Fax
- (310) 419-8553
- Medicare enrollment
- Enrolled (PECOS I20251117001038); accepts Medicare assignment
- Medical or professional school
- Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2018
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 20911 Earl St Ste 440
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer ChuObstetrics & Gynecology Physician1659791903
- Carina Cortez, WHNPWomen's Health Nurse Practitioner1902445968
- Evelyn Denebeim, M.D.Obstetrics & Gynecology Physician1013278647
- Moriah Edmundson, DO, MSObstetrics & Gynecology Physician1487195640
- Kendra Mahoney, MDObstetrics & Gynecology Physician1265828776
- Wendy Medina, M.D.Obstetrics & Gynecology Physician1790169639
Verify Tiffany Anne Etterman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A24460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
63 Medicare Part D claims for 29 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Clobetasol Propionate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Park Nicollet ClinicBloomington, MN
- Providence Medical InstituteGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Anne Etterman among 5,088 obstetrics & gynecology physician records in California
Tiffany Anne Etterman, DO is one of 5,088 obstetrics & gynecology 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2018 · median 2004 among the 2,700 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Torrance → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jeffrey Cowan, M.D.Torrance, CA 905031982618500
- Stephanie Culver, MDTorrance, CA 905031386758399
- Lisa Fisher, M.D.Torrance, CA 905031285665810
- Martha Hynes, M.D.Torrance, CA 905031801800750
- Denise Ishimaru, M.D.Torrance, CA 905031225219066
- Francine Ito, M.D.Torrance, CA 905031275562993
- John Lim, M.D.Torrance, CA 905031508899493
- David Lu, MDTorrance, CA 905031255515417
Common questions
What is Tiffany Anne Etterman, DO's NPI number?
Tiffany Anne Etterman, DO's National Provider Identifier (NPI) is 1023507464, issued on May 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Anne Etterman, DO located?
The NPPES record lists a practice address at 20911 Earl St Ste 440, Torrance, CA, 90503. Phone: (310) 793-2566. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Anne Etterman, DO's license?
NPPES lists California license number 20A24460, 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.
How much does Tiffany Anne Etterman, DO prescribe under Medicare Part D?
In 2024, Tiffany Anne Etterman, DO had 63 Medicare Part D claims for 29 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.