NPPES file of Aug 9, 2026

Karen H. Kwak, DO

Family Medicine Physician · Halethorpe, MD

Karen H. Kwak, DO is a family medicine physician with a practice address in Halethorpe, Maryland, and NPI 1720136740, issued on Jan 8, 2007. Check the license (Maryland H0072647, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720136740
Name
Karen H. Kwak
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
H0072647 MD
Self-reported in NPPES; status is on the state search
Practice location
1701 Twin Springs RD, Halethorpe, MD 21227
Phone
(410) 737-5000
Enumerated
Jan 8, 2007
Record last updated
Jun 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130624000631); accepts Medicare assignment
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 1701 Twin Springs RD

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

  1. Saif Al-Bustani, MD, DMDPlastic Surgery Physician1578767653
  2. Martina Angelini Schwartz, MDPediatrics Physician1689734352
  3. Rezene Asghodom, RPH, MSCPharmacist1093242141
  4. Tisha Barnett, M.D.Internal Medicine Physician1457643587
  5. Anna Braun, MPAS, PA-CPhysician Assistant1679631576
  6. Catherine Campbell, M.D.Cardiovascular Disease Physician1639212475

Verify Karen H. Kwak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H0072647
    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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91% fewer Medicare Part D claims than the average family medicine physician in 2024

332 Medicare Part D claims for 232 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Karen Kwak332
  2. Specialty average3,544

Most prescribed

  1. Doxycycline Monohydrate65 claims
  2. Prednisone60 claims
  3. Amoxicillin-Clavulanate Potass25 claims
  4. Paxlovid22 claims
  5. Albuterol Sulfate Hfa18 claims
  6. Sulfamethoxazole-Trimethoprim11 claims

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 one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncNottingham, MD

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

Karen H. Kwak among 1,912 family medicine physician records in Maryland

Karen H. Kwak, DO is one of 1,912 family medicine physician records with a practice address in Maryland. 73% 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 46% of them.

  • NPI issued2007 · 46% of these records are older, 42% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2004 · median 2004 among the 1,141 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Halethorpe

They are 10 of the 167 NPPES records with a practice address in Halethorpe, and 1,912 family medicine physician records in Maryland.

The 8 family medicine physician records with the nearest ZIP codes

  1. Martha Chalmers, M.D.Halethorpe, MD 212271508866179
  2. Shanita Chase, MDHalethorpe, MD 212271487650891
  3. Tinisha Cheatham, DOHalethorpe, MD 212271851339618
  4. Seung Chung, D.O.Halethorpe, MD 212271467898205
  5. Abigail Hamilton, MDHalethorpe, MD 212271821592817
  6. Fatmatta Kuyateh, MDHalethorpe, MD 212271003931973
  7. Sara Siddiqi, MDHalethorpe, MD 212271730524091
  8. Patrick Smith, M.D.Halethorpe, MD 212271184044422

Common questions

What is Karen H. Kwak, DO's NPI number?

Karen H. Kwak, DO's National Provider Identifier (NPI) is 1720136740, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen H. Kwak, DO located?

The NPPES record lists a practice address at 1701 Twin Springs RD, Halethorpe, MD, 21227. Phone: (410) 737-5000. Providers update this record themselves, so call before visiting.

How can I verify Karen H. Kwak, DO's license?

NPPES lists Maryland license number H0072647, 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.

How much does Karen H. Kwak, DO prescribe under Medicare Part D?

In 2024, Karen H. Kwak, DO had 332 Medicare Part D claims for 232 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.