Shirley Ma, CNM, WHNP
NPI 1851053789 · Advanced Practice Midwife · Portland, OR
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shirley Ma, CNM, WHNP is a Advanced Practice Midwife provider in Portland, OR (NPI 1851053789).
Provider details
- NPI number
- 1851053789
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM, WHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 202114075NP-PP (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-07
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Shirley Ma's NPI number?
- Shirley Ma's National Provider Identifier (NPI) is 1851053789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Ma's specialty?
- Shirley Ma is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shirley Ma located?
- Shirley Ma's practice location on file with NPPES is 10566 Se Washington St, Portland, OR 97216-2809.
- What is Shirley Ma's phone number?
- The practice phone number listed in the NPPES registry for Shirley Ma is (503) 734-3800.
- Does Shirley Ma accept Medicare?
- Shirley Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shirley Ma's NPI active?
- Yes — Shirley Ma's NPI (1851053789) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.