Karen Anne Mackinnon, CNM
Advanced Practice Midwife · Westminster, MD
Karen Anne Mackinnon, CNM is an advanced practice midwife with a practice address in Westminster, Maryland, and NPI 1346384328, issued on Feb 16, 2007. Check the license (Maryland R130497, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Anne Mackinnon
- Credential
- CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License numbers
- R130497 MD
RN1015287 DC
Self-reported in NPPES; status is on the state search - Practice location
- 844 Washington RD Ste 302, Westminster, MD 21157
- Phone
- (410) 848-6294
- Enumerated
- Feb 16, 2007
- Record last updated
- Apr 9, 2026
- Fax
- (410) 848-3009
- Medicare enrollment
- Enrolled (PECOS I20040107000744); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 310 in Maryland → Look up another NPI →
Also registered at 844 Washington RD Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph AduObstetrics & Gynecology Physician1669965067
- Muna Alam, DOObstetrics & Gynecology Physician1376895557
- Casey Blessing, CNMAdvanced Practice Midwife1780383224
- Emilynne Buchanan, DOObstetrics & Gynecology Physician1194145425
- Riley Forquer, CNM, WHNP-BCAdvanced Practice Midwife1851141931
- Florentine Gnimavo, CNMAdvanced Practice Midwife1407257397
Verify Karen Anne Mackinnon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R130497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average advanced practice midwife in 2024
24 Medicare Part D claims for 15 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D.
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): 86.8 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).
Industry payments in 2024: $20.53
1 payment: food and beverage; the largest payer was CooperSurgical, Inc. The 3,833 providers of this specialty with any payment received $204.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Johns Hopkins Community Physicians, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Anne Mackinnon among 310 advanced practice midwife records in Maryland
Karen Anne Mackinnon, CNM is one of 310 advanced practice midwife records with a practice address in Maryland. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 60% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2001 · median 2016 among the 125 with a school on file
- Record last updated2026 · 51% 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 Maryland 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 Maryland
There are 310 advanced practice midwife records in Maryland.
All 310 in Maryland → Every provider in Westminster → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Casey Blessing, CNMWestminster, MD 211571780383224
- Riley Forquer, CNM, WHNP-BCWestminster, MD 211571851141931
- Florentine Gnimavo, CNMWestminster, MD 211571407257397
- Chiamaka Nwaneshiudu, CNMWestminster, MD 211571801666854
- Ajibola Olagunju, CNMWestminster, MD 211571649038332
- Hannah Potter, CNMWestminster, MD 211571184482960
- Ellen Ray, C.N.M.Westminster, MD 211571780721365
- Christine Schlaerth, PHD, CNM, WHNP-BCWestminster, MD 211571154857811
Common questions
What is Karen Anne Mackinnon, CNM's NPI number?
Karen Anne Mackinnon, CNM's National Provider Identifier (NPI) is 1346384328, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Anne Mackinnon, CNM located?
The NPPES record lists a practice address at 844 Washington RD Ste 302, Westminster, MD, 21157. Phone: (410) 848-6294. Providers update this record themselves, so call before visiting.
How can I verify Karen Anne Mackinnon, CNM's license?
NPPES lists Maryland license number R130497, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Anne Mackinnon, CNM prescribe under Medicare Part D?
In 2024, Karen Anne Mackinnon, CNM had 24 Medicare Part D claims for 15 beneficiaries; the average among advanced practice midwife prescribers was 72. Part D covers Medicare prescriptions only.
What is Karen Anne Mackinnon, CNM's MIPS final score?
The 2023 MIPS final score is 86.8 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.