Gabrielle Simone Alexander, M.D
Obstetrics & Gynecology Physician · Portland, OR
Gabrielle Simone Alexander, M.D is an obstetrics & gynecology physician with a practice address in Portland, Oregon, and NPI 1124480413, issued on Mar 24, 2016. Check the license (Oregon MD197947, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gabrielle Simone Alexander
- Credential
- M.D
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD197947 OR
Self-reported in NPPES; status is on the state search - Practice location
- 545 NE 47TH Ave Ste 102, Portland, OR 97213
- Phone
- (503) 215-6262
- Enumerated
- Mar 24, 2016
- Record last updated
- Oct 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200611002501); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 654 in Oregon → Look up another NPI →
Also registered at 545 NE 47TH Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Day, CNMAdvanced Practice Midwife1184202145
- Stefanie Dieffenbach, WHNP-BCWomen's Health Nurse Practitioner1033965744
- Maggie Hayes, MDObstetrics & Gynecology Physician1407232572
- Anne Knudsen, MDObstetrics & Gynecology Physician1821006958
- Noelle Lefitz, CNMAdvanced Practice Midwife1548362205
- Amanda Nambiar, CNM, WHNPAdvanced Practice Midwife1821672395
Verify Gabrielle Simone Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD197947Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
48 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Clobetasol Propionate11 claims
- Estradiol11 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): 87.8 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
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gabrielle Simone Alexander among 654 obstetrics & gynecology physician records in Oregon
Gabrielle Simone Alexander, M.D is one of 654 obstetrics & gynecology physician records with a practice address in Oregon. 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 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2007 among the 413 with a school on file
- Record last updated2020 · 57% 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 Oregon 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 Oregon
There are 654 obstetrics & gynecology physician records in Oregon.
All 654 in Oregon → Every provider in Portland → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Stephanie Ahmed, MDPortland, OR 972131447269170
- Ross Anderson, MDPortland, OR 972131447209549
- Desiree Bley, MDPortland, OR 972131174626493
- Renee Carisio Farber, MDPortland, OR 972131700855517
- Brendan Carroll, MDPortland, OR 972131669472775
- Amanda Clark, MDPortland, OR 972131689682205
- Jennifer Franz, MDPortland, OR 972131215915806
- Janet Gibbens, M.D.Portland, OR 972131427042373
Common questions
What is Gabrielle Simone Alexander, M.D's NPI number?
Gabrielle Simone Alexander, M.D's National Provider Identifier (NPI) is 1124480413, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gabrielle Simone Alexander, M.D located?
The NPPES record lists a practice address at 545 NE 47TH Ave Ste 102, Portland, OR, 97213. Phone: (503) 215-6262. Providers update this record themselves, so call before visiting.
How can I verify Gabrielle Simone Alexander, M.D's license?
NPPES lists Oregon license number MD197947, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gabrielle Simone Alexander, M.D prescribe under Medicare Part D?
In 2024, Gabrielle Simone Alexander, M.D had 48 Medicare Part D claims for 25 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Gabrielle Simone Alexander, M.D's MIPS final score?
The 2023 MIPS final score is 87.8 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.