Esther June Tow-Der, M.D.
Obstetrics & Gynecology Physician · Modesto, CA
Esther June Tow-Der, M.D. is an obstetrics & gynecology physician with a practice address in Modesto, California, and NPI 1427008028, issued on May 12, 2006. Check the license (California G58918, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Esther June Tow-Der
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G58918 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1552 Coffee RD, Modesto, CA 95355
- Phone
- (209) 521-4372
- Enumerated
- May 12, 2006
- Record last updated
- Feb 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (209) 523-2005
- Medicare enrollment
- Enrolled (PECOS I20080117000385); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1552 Coffee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pam Grassmidt, RNCAdult Health Nurse Practitioner1073735163
- Nicholas Hopkins, MDObstetrics & Gynecology Physician1528414133
- Stephen Liu, M.D.Vascular & Interventional Radiology Physician1306889860
- Adrienne Rivera, NPNurse Practitioner1811594955
- Prudence Ticknor, RDRegistered Dietitian1174920821
- Matthew Tilstra, MDObstetrics & Gynecology Physician1235576638
Verify Esther June Tow-Der in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G58918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
106 Medicare Part D claims for 45 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Terconazole19 claims
- Clobetasol Propionate18 claims
- Estradiol13 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
- Hera OB-Gyn Medical Group IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Esther June Tow-Der among 5,088 obstetrics & gynecology physician records in California
Esther June Tow-Der, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1985 · median 2004 among the 2,700 with a school on file
- Record last updated2020 · 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 Modesto → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Robert Altman, MDModesto, CA 953551447200860
- Dennise Davis, MDModesto, CA 953551487604989
- Larry Erickson, MDModesto, CA 953551437195674
- Fredric Feist, M.D.Modesto, CA 953551528031705
- David Henry, MDModesto, CA 953551801838917
- Maud Liva, M.D.Modesto, CA 953551306060835
- Joseph Mansour, MDModesto, CA 953551679668420
- Jon Pont, M.D.Modesto, CA 953551912957259
Common questions
What is Esther June Tow-Der, M.D.'s NPI number?
Esther June Tow-Der, M.D.'s National Provider Identifier (NPI) is 1427008028, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Esther June Tow-Der, M.D. located?
The NPPES record lists a practice address at 1552 Coffee RD, Modesto, CA, 95355. Phone: (209) 521-4372. Providers update this record themselves, so call before visiting.
How can I verify Esther June Tow-Der, M.D.'s license?
NPPES lists California license number G58918, 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 Esther June Tow-Der, M.D. prescribe under Medicare Part D?
In 2024, Esther June Tow-Der, M.D. had 106 Medicare Part D claims for 45 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.