Kaitlin S. Masarie, MD
Obstetrics & Gynecology Physician · Vancouver, WA
Kaitlin S. Masarie, MD is an obstetrics & gynecology physician with a practice address in Vancouver, Washington, and NPI 1821387457, issued on Apr 5, 2011. Check the license (Washington MD60555071, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Kaitlin S. Masarie
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD60555071 WA
Self-reported in NPPES; status is on the state search - Practice location
- 700 NE 87TH Ave, Vancouver, WA 98664
- Phone
- (360) 882-2778
- Enumerated
- Apr 5, 2011
- Record last updated
- Jul 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (360) 604-1653
- Medicare enrollment
- Enrolled (PECOS I20150917000690); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,038 in Washington → Look up another NPI →
Also registered at 700 NE 87TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Adkison, DNP-FNPFamily Nurse Practitioner1043160500
- Kirstie Anderson, D.P.T.Physical Therapist1023486396
- Lauren Andronici, CNMAdvanced Practice Midwife1356396709
- Susan Arnold-Edgar, PA-CPhysician Assistant1023057817
- Vincent Au, M.D.Internal Medicine Physician1104112051
- Jennifer Austin, MDPediatrics Physician1326087503
Verify Kaitlin S. Masarie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60555071Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
119 Medicare Part D claims for 42 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol31 claims
- Norethindrone Acetate21 claims
- Clobetasol Propionate11 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
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kaitlin S. Masarie among 1,038 obstetrics & gynecology physician records in Washington
Kaitlin S. Masarie, MD is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2011 · median 2007 among the 582 with a school on file
- Record last updated2015 · 59% 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 Washington 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 Washington
There are 1,038 obstetrics & gynecology physician records in Washington.
All 1,038 in Washington → Every provider in Vancouver → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Carol Bunten, MDVancouver, WA 986641205881539
- William Cely, M.D.Vancouver, WA 986641538162615
- Michelle De Geest, MDVancouver, WA 986641053308627
- Wendy Draper, MDVancouver, WA 986641851347967
- Michael Farber, MDVancouver, WA 986641982684288
- Colleen Fox, MDVancouver, WA 986641366422651
- Yvonne Frei, M.D.Vancouver, WA 986641366499493
- Margaret Griffith, MDVancouver, WA 986641881674174
Common questions
What is Kaitlin S. Masarie, MD's NPI number?
Kaitlin S. Masarie, MD's National Provider Identifier (NPI) is 1821387457, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Kaitlin S. Masarie, MD located?
The NPPES record lists a practice address at 700 NE 87TH Ave, Vancouver, WA, 98664. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.
How can I verify Kaitlin S. Masarie, MD's license?
NPPES lists Washington license number MD60555071, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kaitlin S. Masarie, MD prescribe under Medicare Part D?
In 2024, Kaitlin S. Masarie, MD had 119 Medicare Part D claims for 42 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.