Katherine Markwardt
Clinical Social Worker · Pittsburgh, PA
Katherine Markwardt is a clinical social worker with a practice address in Pittsburgh, Pennsylvania, and NPI 1174925002, issued on Sep 23, 2014. Check the license (Pennsylvania CW021309, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Markwardt
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- CW021309 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4 Allegheny Ctr FL 8, Pittsburgh, PA 15212
- Phone
- (412) 330-4000
- Enumerated
- Sep 23, 2014
- Record last updated
- Mar 11, 2025
- Fax
- (412) 330-4366
- Medicare enrollment
- Enrolled (PECOS I20250325003808); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,830 in Pennsylvania → Look up another NPI →
Also registered at 4 Allegheny Ctr FL 8
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Black, PHDClinical Psychologist1841609740
- Sylvia Boules, M.D.Child & Adolescent Psychiatry Physician1407144553
Verify Katherine Markwardt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license CW021309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Allegheny ClinicPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Markwardt among 7,830 clinical social worker records in Pennsylvania
Katherine Markwardt is one of 7,830 clinical social worker records with a practice address in Pennsylvania. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 47% of them.
- NPI issued2014 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2012 · median 2007 among the 1,888 with a school on file
- Record last updated2025 · 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 1041C0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
958 clinical social worker records list a practice address in Pittsburgh
They are 958 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,830 clinical social worker records in Pennsylvania.
All 7,830 in Pennsylvania → Every provider in Pittsburgh → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Krista Elston, LCSWPittsburgh, PA 152121194725614
- Joshua Hefferen, LCSWPittsburgh, PA 152121154575751
- Paul Kowatch, M.S.W., M.A.Pittsburgh, PA 152121962569020
- Katherine LeonPittsburgh, PA 152121033435771
- Jonathan Loring, LCSWPittsburgh, PA 152121780609164
- Heather Martin, LCSWPittsburgh, PA 152121487612065
- Joanne Martin, MSW, LCSWPittsburgh, PA 152121942247960
- Shirley Mitchell, LCSWPittsburgh, PA 152121518968999
Common questions
What is Katherine Markwardt's NPI number?
Katherine Markwardt's National Provider Identifier (NPI) is 1174925002, issued on Sep 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Markwardt located?
The NPPES record lists a practice address at 4 Allegheny Ctr FL 8, Pittsburgh, PA, 15212. Phone: (412) 330-4000. Providers update this record themselves, so call before visiting.
How can I verify Katherine Markwardt's license?
NPPES lists Pennsylvania license number CW021309, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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.