NPPES file of Aug 9, 2026

Katherine Malczewski, M.D.

Obstetrics & Gynecology Physician · Silver Spring, MD

Katherine Malczewski, M.D. is an obstetrics & gynecology physician with a practice address in Silver Spring, Maryland, and NPI 1598008989, issued on Apr 3, 2013. Check the license (Maryland D0100831, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1598008989
Name
Katherine Malczewski
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
D0100831 MD
Self-reported in NPPES; status is on the state search
Practice location
11890 Healing Way, Silver Spring, MD 20904
Phone
(240) 637-4000
Enumerated
Apr 3, 2013
Record last updated
Jun 26, 2024
Medicare enrollment
Enrolled (PECOS I20241009001792); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2013
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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8 nearest obstetrics & gynecology physician records → All 1,034 in Maryland → Look up another NPI →

Also registered at 11890 Healing Way

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

  1. Edom AbatePharmacist1598525313
  2. Luverne Abogadie, DNP, AGACNP-BCAcute Care Nurse Practitioner1386239234
  3. Roberta Ackom, CNMAdvanced Practice Midwife1609368752
  4. Emelia AgyeiPsychiatric/Mental Health Nurse Practitioner1629776224
  5. Yemi Akinrimisi, CSFASurgical Assistant1669153821
  6. Florence Amaikwu, DNP PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1679164750

Verify Katherine Malczewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0100831    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 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.

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Bills Medicare through 2 group practices

  1. Medstar Medical Group II LLCWashington, DC
  2. Mgmc LLCWashington, DC

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

Katherine Malczewski among 1,034 obstetrics & gynecology physician records in Maryland

Katherine Malczewski, M.D. is one of 1,034 obstetrics & gynecology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 76% of them.

  • NPI issued2013 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2013 · median 2005 among the 597 with a school on file
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Maryland

There are 1,034 obstetrics & gynecology physician records in Maryland.

All 1,034 in Maryland → Every provider in Silver Spring → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Sandra Abraham-Hebert, M.D.Silver Spring, MD 209041487603080
  2. Wendy Dooley, M.D.Silver Spring, MD 209041063600237
  3. Allan Handysides, MB, CHB, FRCPC, FRCSSilver Spring, MD 209041013058437
  4. Dara King, M.D.Silver Spring, MD 209041780850552
  5. Caitlin McAllister, MDSilver Spring, MD 209041508284035
  6. Kerri Nardone, D.O.Silver Spring, MD 209041225220908
  7. Honghanh Nguyen, M.D.Silver Spring, MD 209041467402370
  8. Carla Sandy, MDSilver Spring, MD 209041386704831

Common questions

What is Katherine Malczewski, M.D.'s NPI number?

Katherine Malczewski, M.D.'s National Provider Identifier (NPI) is 1598008989, issued on Apr 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Malczewski, M.D. located?

The NPPES record lists a practice address at 11890 Healing Way, Silver Spring, MD, 20904. Phone: (240) 637-4000. Providers update this record themselves, so call before visiting.

How can I verify Katherine Malczewski, M.D.'s license?

NPPES lists Maryland license number D0100831, as entered by the provider. 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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.