NPPES file of Aug 9, 2026

Mary Marica McLachlan, MD

Cardiovascular Disease Physician · Milwaukee, WI

Mary Marica McLachlan, MD is a cardiovascular disease physician with a practice address in Milwaukee, Wisconsin, and NPI 1083144562, issued on Jun 15, 2017. Check the license (Wisconsin 84473, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083144562
Name
Mary Marica McLachlan
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
84473 WI
125070988 IL
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-6000
Enumerated
Jun 15, 2017
Record last updated
Oct 1, 2024
Fax
(414) 805-6280
Medicaid ID
1083144562 WI
Medicare enrollment
Enrolled (PECOS I20241025003168); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9200 W Wisconsin Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shameem Aadam, RPHPharmacist1760755680
  2. Abubaker Abdalla, MDHospitalist Physician1194187617
  3. Sameem Abedin, MDHematology & Oncology Physician1063641157
  4. Lolia Abibo, M.D.Hospitalist Physician1912359795
  5. Haisam Abid, MBBSHospitalist Physician1578083184
  6. Faith Abodunrin, MDHematology & Oncology Physician1437768769

Verify Mary Marica McLachlan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 84473
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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98% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

66 Medicare Part D claims for 40 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Mary McLachlan66
  2. Specialty average3,078

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 2 group practices

  1. Froedtert Andthe Medical College OF Wisconsin Community Physicians IncWauwatosa, WI
  2. The Medical College OF Wisconsin IncMilwaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Marica McLachlan among 449 cardiovascular disease physician records in Wisconsin

Mary Marica McLachlan, MD is one of 449 cardiovascular disease physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2017 · median 2001 among the 279 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Wisconsin

There are 449 cardiovascular disease physician records in Wisconsin.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Lisa Armaganian, MDWauwatosa, WI 532261760442180
  2. Lee Biblo, MDMilwaukee, WI 532261740230275
  3. Hakki Bolukoglu, M.D.Milwaukee, WI 532261356341176
  4. Byung-Il Choi, MDMilwaukee, WI 532261467403840
  5. William Davis, MDWauwatosa, WI 532261174585657
  6. Anthony De Franco, M.D.Milwaukee, WI 532261215930391
  7. Marilyn Ezri, MDMilwaukee, WI 532261396796298
  8. David Gutterman, MDMilwaukee, WI 532261609827633

Common questions

What is Mary Marica McLachlan, MD's NPI number?

Mary Marica McLachlan, MD's National Provider Identifier (NPI) is 1083144562, issued on Jun 15, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mary Marica McLachlan, MD located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6000. Providers update this record themselves, so call before visiting.

How can I verify Mary Marica McLachlan, MD's license?

NPPES lists Wisconsin license number 84473, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Marica McLachlan, MD prescribe under Medicare Part D?

In 2024, Mary Marica McLachlan, MD had 66 Medicare Part D claims for 40 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.