Karen Mackinnon, CNM
NPI 1346384328 · Advanced Practice Midwife · Westminster, MD
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Mackinnon, CNM is a Advanced Practice Midwife provider in Westminster, MD (NPI 1346384328).
Provider details
- NPI number
- 1346384328
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- R130497 (MD)
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 10710 Charter Dr Ste 200Columbia, MD 21044-3259Phone: (443) 367-4700Fax: (410) 367-2198
- 193 Stoner AveSuite 300Westminster, MD 21157-5587Phone: (410) 848-4664
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Karen Mackinnon's NPI number?
- Karen Mackinnon's National Provider Identifier (NPI) is 1346384328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mackinnon's specialty?
- Karen Mackinnon is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Mackinnon located?
- Karen Mackinnon's practice location on file with NPPES is 844 Washington Rd Ste 302, Westminster, MD 21157.
- What is Karen Mackinnon's phone number?
- The practice phone number listed in the NPPES registry for Karen Mackinnon is (410) 848-6294.
- Does Karen Mackinnon accept Medicare?
- Karen Mackinnon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Mackinnon's NPI active?
- Yes — Karen Mackinnon's NPI (1346384328) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.