Registry data as of Aug 27, 2026

Susan Mackem, M.D.

Anatomic Pathology Physician · Frederick, MD

Susan Mackem, M.D. is an anatomic pathology physician with a practice address in Frederick, Maryland, and NPI 1366732620, issued on Apr 7, 2011. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1366732620
Name
Susan Mackem
Credential
M.D.
Primary taxonomy
Anatomic Pathology Physician 207ZP0101X
Practice location
1050 Boyles St, Frederick, MD 21702
Phone
(301) 228-4200
Enumerated
Apr 7, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1050 Boyles St

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

  1. Mary Carol Fleming, CRNPOccupational Health Nurse Practitioner1437325131
  2. Ha LeNurse Practitioner1841897139

Verify Susan Mackem in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Anatomic Pathology Physician providers in Maryland

There are 79 anatomic pathology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other anatomic pathology physician records in Maryland

  1. Andrea Abati, M.D.Rockville, MD1043422843
  2. Jacki Abrams, MDBethesda, MD1154383347
  3. Borislav Alexiev, MDBaltimore, MD1811031370
  4. Tehmina Ali, M.D.Beltsville, MD1538198403
  5. Heather Ames, M.D., PH.D.Baltimore, MD1710220264
  6. Aaron Auerbach, M.D.Silver Spring, MD1801857404
  7. Natalie Banet, MDBaltimore, MD1245490119
  8. Alexander Baras, M.D., PH.D.Baltimore, MD1659662948
  9. George Bova, M.D.Baltimore, MD1538352018
  10. Steven Brotman, M.D.Baltimore, MD1356618144

Common questions

What is Susan Mackem, M.D.'s NPI number?

Susan Mackem, M.D.'s National Provider Identifier (NPI) is 1366732620, issued on Apr 7, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Susan Mackem, M.D. located?

The NPPES record lists a practice address at 1050 Boyles St, Frederick, MD, 21702. Phone: (301) 228-4200. Providers update this record themselves, so call before visiting.

How can I verify Susan Mackem, M.D.'s license?

Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.