John Burr Schlaerth, MD
Gynecologic Oncology Physician · Bakersfield, CA
John Burr Schlaerth, MD is a gynecologic oncology physician with a practice address in Bakersfield, California, and NPI 1457368029, issued on Aug 3, 2006. Check the license (California G18591, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Burr Schlaerth
- Credential
- MD
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- G18591 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2011 19TH Street, Bakersfield, CA 93301
- Phone
- (661) 326-1401
- Enumerated
- Aug 3, 2006
- Record last updated
- Aug 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (661) 326-1411
- Medicare enrollment
- Enrolled (PECOS I20160303000689); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1968
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 176 in California → Look up another NPI →
Verify John Burr Schlaerth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G18591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
112 Medicare Part D claims for 28 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Clobetasol Propionate21 claims
- Estradiol17 claims
- Finasteride12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kern County Hospital AuthorityBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Burr Schlaerth among 176 gynecologic oncology physician records in California
John Burr Schlaerth, MD is one of 176 gynecologic oncology physician records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1968 · median 2004 among the 131 with a school on file
- Record last updated2011 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in California
There are 176 gynecologic oncology physician records in California.
All 176 in California → Every provider in Bakersfield → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Hansa Patel, MDBakersfield, CA 933011134219660
- Amin Ramzan, M.D.Bakersfield, CA 933061932530714
- Christopher Lutman, MDPismo Beach, CA 934491255321568
- Jonathan Tammela, MDSanta Maria, CA 934541265451058
- Sumit Mehta, M.D.Santa Barbara, CA 931051356790836
- William Hogan, M.D.Ventura, CA 930031477533727
- Deepa Maheswari Narasimhulu, MDVentura, CA 930031174895882
- Anne Rodriguez, M.D.Ventura, CA 930031316929565
Common questions
What is John Burr Schlaerth, MD's NPI number?
John Burr Schlaerth, MD's National Provider Identifier (NPI) is 1457368029, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Burr Schlaerth, MD located?
The NPPES record lists a practice address at 2011 19TH Street, Bakersfield, CA, 93301. Phone: (661) 326-1401. Providers update this record themselves, so call before visiting.
How can I verify John Burr Schlaerth, MD's license?
NPPES lists California license number G18591, 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 John Burr Schlaerth, MD prescribe under Medicare Part D?
In 2024, John Burr Schlaerth, MD had 112 Medicare Part D claims for 28 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is John Burr Schlaerth, MD's MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.