NPPES file of Aug 9, 2026

Frederick Conrad Sitzler, LPC

Mental Health Counselor · Vienna, VA

Frederick Conrad Sitzler, LPC is a mental health counselor with a practice address in Vienna, Virginia, and NPI 1912192741, issued on Sep 14, 2007. Check the license (Virginia 0701004245, as entered in NPPES) with the Virginia board that licenses this profession; 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
1912192741
Name
Frederick Conrad Sitzler
Credential
LPC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
0701004245 VA
Self-reported in NPPES; status is on the state search
Practice location
133 Park St NE, Vienna, VA 22180
Phone
(703) 281-4928
Enumerated
Sep 14, 2007
Record last updated
Sep 14, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20241003002572); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 mental health counselor records → All 4,088 in Virginia → Look up another NPI →

Also registered at 133 Park St NE

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

  1. Srabonti Ali, MSW, LCSWClinical Social Worker1619541422
  2. Nida Amal, PSY.D.Clinical Psychologist1255490439
  3. Christina Buswell, LICSWClinical Social Worker1285917674
  4. Carla CarickClinical Social Worker1730691056
  5. Sumita Changela, LPCProfessional Counselor1639802556
  6. Katie Clark, MA, NCC, LPCMental Health Counselor1437443009

Verify Frederick Conrad Sitzler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 0701004245    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
Find the Virginia 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 one group practice

  1. Womens CenterVienna, VA

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

Frederick Conrad Sitzler among 4,088 mental health counselor records in Virginia

Frederick Conrad Sitzler, LPC is one of 4,088 mental health counselor records with a practice address in Virginia. 6% 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 8% of them.

  • NPI issued2007 · 8% of these records are older, 89% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2001 · median 2016 among the 438 with a school on file
  • Record last updated2007 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 mental health counselor records list a practice address in Vienna

They are 44 of the 1,554 NPPES records with a practice address in Vienna, and 4,088 mental health counselor records in Virginia.

All 4,088 in Virginia → Every provider in Vienna → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Katie Clark, MA, NCC, LPCVienna, VA 221801437443009
  2. Gilda Clarke, MSVienna, VA 221801124390992
  3. Roberta Cordingley, LPC. NCCVienna, VA 221801811054364
  4. Caitlin DeitzVienna, VA 221801053073569
  5. Holly FarrisVienna, VA 221801184337537
  6. Lois Hartman, LCPCVienna, VA 221801104969864
  7. Daniel LavelleVienna, VA 221801710503362
  8. Tisha MoonVienna, VA 221801578137691

Common questions

What is Frederick Conrad Sitzler, LPC's NPI number?

Frederick Conrad Sitzler, LPC's National Provider Identifier (NPI) is 1912192741, issued on Sep 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Frederick Conrad Sitzler, LPC located?

The NPPES record lists a practice address at 133 Park St NE, Vienna, VA, 22180. Phone: (703) 281-4928. Providers update this record themselves, so call before visiting.

How can I verify Frederick Conrad Sitzler, LPC's license?

NPPES lists Virginia license number 0701004245, as entered by the provider. Search the Virginia 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.

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.