Shirley Weng-Ying Ma, CNM, WHNP
Advanced Practice Midwife · Portland, OR
Shirley Weng-Ying Ma, CNM, WHNP is an advanced practice midwife with a practice address in Portland, Oregon, and NPI 1851053789, issued on Oct 7, 2021. Check the license (Oregon 202114075NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shirley Weng-Ying Ma
- Credential
- CNM, WHNP
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License number
- 202114075NP-PP OR
Self-reported in NPPES; status is on the state search - Practice location
- 10566 SE Washington St, Portland, OR 97216
- Phone
- (503) 734-3800
- Enumerated
- Oct 7, 2021
- Record last updated
- Jan 30, 2026
- Fax
- (503) 734-3808
- Medicaid ID
- 500802727 OR
- Medicare enrollment
- Enrolled (PECOS I20220105002680); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 404 in Oregon → Look up another NPI →
Also registered at 10566 SE Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asma Ahmad, MDObstetrics & Gynecology Physician1366466500
- Paige Atkinson, CNMAdvanced Practice Midwife1700285954
- Kimberly Bell, M.D.Obstetrics & Gynecology Physician1235661802
- Andrew Braun, MDObstetrics & Gynecology Physician1841857935
- Jamie Burke, CNMAdvanced Practice Midwife1215210307
- Gregory Eilers, MDObstetrics & Gynecology Physician1134323843
Verify Shirley Weng-Ying Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 202114075NP-PPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average advanced practice midwife in 2024
12 Medicare Part D claims, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Womens Healthcare Associates LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shirley Weng-Ying Ma among 404 advanced practice midwife records in Oregon
Shirley Weng-Ying Ma, CNM, WHNP is one of 404 advanced practice midwife records with a practice address in Oregon. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 80% of them.
- NPI issued2021 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2021 · median 2016 among the 158 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Practice Midwife providers in Oregon
There are 404 advanced practice midwife records in Oregon.
All 404 in Oregon → Every provider in Portland → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Paige Atkinson, CNMPortland, OR 972161700285954
- Marisa Bryman, CNMPortland, OR 972161841639887
- Jamie Burke, CNMPortland, OR 972161215210307
- Gina Cardona, CNMPortland, OR 972161316178197
- Jessica Kerstetter, CNMPortland, OR 972161114205036
- Elizabeth Labby, CNMPortland, OR 972161649589698
- Lauren Mackenzie, CNMPortland, OR 972161043367501
- Megan Sapp, CNMPortland, OR 972161487818464
Common questions
What is Shirley Weng-Ying Ma, CNM, WHNP's NPI number?
Shirley Weng-Ying Ma, CNM, WHNP's National Provider Identifier (NPI) is 1851053789, issued on Oct 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Shirley Weng-Ying Ma, CNM, WHNP located?
The NPPES record lists a practice address at 10566 SE Washington St, Portland, OR, 97216. Phone: (503) 734-3800. Providers update this record themselves, so call before visiting.
How can I verify Shirley Weng-Ying Ma, CNM, WHNP's license?
NPPES lists Oregon license number 202114075NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Shirley Weng-Ying Ma, CNM, WHNP prescribe under Medicare Part D?
In 2024, Shirley Weng-Ying Ma, CNM, WHNP had 12 Medicare Part D claims; the average among advanced practice midwife prescribers was 72. 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.