Brittany Klooster, MD
Obstetrics & Gynecology Physician · Los Angeles, CA
Brittany Klooster, MD is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1083110811, issued on Apr 2, 2018. Check the license (California A164875, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brittany Klooster
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A164875 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90089
- Phone
- (323) 409-8848
- Enumerated
- Apr 2, 2018
- Record last updated
- Apr 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20220913003644); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2018
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lily Adler, MDStudent in an Organized Health Care Education/Training Program1164281309
- Samantha Adwani, MDStudent in an Organized Health Care Education/Training Program1396683892
- Kimiko AgariOral & Maxillofacial Surgery (D.M.D.)1043665219
Verify Brittany Klooster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
60 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. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol23 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 one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brittany Klooster among 5,088 obstetrics & gynecology physician records in California
Brittany Klooster, MD 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 updated2024 · 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 Los Angeles → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Raquel Arias, MDLos Angeles, CA 900891063663466
- Sarah Eckhardt, MDLos Angeles, CA 900891801343249
- Heather Fels, MDLos Angeles, CA 900891134499759
- Jennifer Franks, MDLos Angeles, CA 900891568812428
- Christian Ghattas, M.D.Los Angeles, CA 900891821333691
- Anna GranatLos Angeles, CA 900891710359740
- Varun Khetan, MDLos Angeles, CA 900891043716038
- Ruben Lachica, M.D. M.P.HLos Angeles, CA 900891477000867
Common questions
What is Brittany Klooster, MD's NPI number?
Brittany Klooster, MD's National Provider Identifier (NPI) is 1083110811, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brittany Klooster, MD located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90089. Phone: (323) 409-8848. Providers update this record themselves, so call before visiting.
How can I verify Brittany Klooster, MD's license?
NPPES lists California license number A164875, 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 Brittany Klooster, MD prescribe under Medicare Part D?
In 2024, Brittany Klooster, MD had 60 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.