Matthew Laurence Tilstra, MD
Obstetrics & Gynecology Physician · Modesto, CA
Matthew Laurence Tilstra, MD is an obstetrics & gynecology physician with a practice address in Modesto, California, and NPI 1235576638, issued on May 28, 2013. Check the license (California A148079, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Laurence Tilstra
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A148079 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 28, 2013
- Record last updated
- Apr 26, 2023
- Fax
- (209) 523-2005
- Medicare enrollment
- Enrolled (PECOS I20170727001781); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2013
- 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
- Esther Tow-Der, M.D.Obstetrics & Gynecology Physician1427008028
Verify Matthew Laurence Tilstra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148079Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
219 Medicare Part D claims for 66 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Estradiol71 claims
- Trospium Chloride30 claims
- Estradiol (Once Weekly)15 claims
- Progesterone11 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.
Industry payments in 2024: $40.83
2 payments; by number, the most common kind was food and beverage; the largest payer was Lsi Solutions Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
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).
Matthew Laurence Tilstra among 5,088 obstetrics & gynecology physician records in California
Matthew Laurence Tilstra, 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 2013, is newer than 78% of them.
- NPI issued2013 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2013 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 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 Matthew Laurence Tilstra, MD's NPI number?
Matthew Laurence Tilstra, MD's National Provider Identifier (NPI) is 1235576638, issued on May 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Laurence Tilstra, MD 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 Matthew Laurence Tilstra, MD's license?
NPPES lists California license number A148079, 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 Matthew Laurence Tilstra, MD prescribe under Medicare Part D?
In 2024, Matthew Laurence Tilstra, MD had 219 Medicare Part D claims for 66 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.