Trisha Zylstra, MD
Obstetrics & Gynecology Physician · Grand Rapids, MI
Trisha Zylstra, MD is an obstetrics & gynecology physician with a practice address in Grand Rapids, Michigan, and NPI 1134223779, issued on Sep 12, 2006. Check the license (Michigan 4301080272, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Trisha Zylstra
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301080272 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1471 E Beltline Ave NE Ste 101, Grand Rapids, MI 49525
- Phone
- (616) 685-8600
- Enumerated
- Sep 12, 2006
- Record last updated
- Feb 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (616) 365-0057
- Medicaid IDs
- 4927280 MI
4927290 MI
4927271 MI - Medicare enrollment
- Enrolled (PECOS I20061025000533); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2002
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Verify Trisha Zylstra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301080272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
202 Medicare Part D claims for 67 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Estradiol41 claims
- Clobetasol Propionate23 claims
- Metronidazole13 claims
- Estradiol (Twice Weekly)11 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
- Advantage Health/saint Mary's Medical GroupCaledonia, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trisha Zylstra among 1,776 obstetrics & gynecology physician records in Michigan
Trisha Zylstra, MD is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 57% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2002 · median 2007 among the 1,003 with a school on file
- Record last updated2020 · 51% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
183 obstetrics & gynecology physician records list a practice address in Grand Rapids
They are 183 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Grand Rapids → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kirsten Anderson, MDGrand Rapids, MI 495251861427262
- Lisa Andersson-Zetye, MDGrand Rapids, MI 495251013023456
- Sara Denolf, M.D.Grand Rapids, MI 495251750644597
- Alicia Eichenberg, MDGrand Rapids, MI 495251336451897
- Jessica Gibbie, MDGrand Rapids, MI 495251821384108
- Kerry Gorsuch, MDGrand Rapids, MI 495251952332769
- Casey Parini, M.D.Grand Rapids, MI 495251487637492
- Liana Rinzler, MDGrand Rapids, MI 495251871540997
Common questions
What is Trisha Zylstra, MD's NPI number?
Trisha Zylstra, MD's National Provider Identifier (NPI) is 1134223779, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Trisha Zylstra, MD located?
The NPPES record lists a practice address at 1471 E Beltline Ave NE Ste 101, Grand Rapids, MI, 49525. Phone: (616) 685-8600. Providers update this record themselves, so call before visiting.
How can I verify Trisha Zylstra, MD's license?
NPPES lists Michigan license number 4301080272, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Trisha Zylstra, MD prescribe under Medicare Part D?
In 2024, Trisha Zylstra, MD had 202 Medicare Part D claims for 67 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.