Frederick Sitzler, LPC
NPI 1912192741 · Mental Health Counselor · Vienna, VA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Sitzler, LPC is a Mental Health Counselor provider in Vienna, VA (NPI 1912192741).
Provider details
- NPI number
- 1912192741
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Male
- Sole proprietor
- No
- License
- 0701004245 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-14
- Last updated
- 2007-09-14
Frequently asked questions
- What is Frederick Sitzler's NPI number?
- Frederick Sitzler's National Provider Identifier (NPI) is 1912192741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Sitzler's specialty?
- Frederick Sitzler is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Frederick Sitzler located?
- Frederick Sitzler's practice location on file with NPPES is 133 Park St Ne, Vienna, VA 22180-4602.
- What is Frederick Sitzler's phone number?
- The practice phone number listed in the NPPES registry for Frederick Sitzler is (703) 281-4928.
- Does Frederick Sitzler accept Medicare?
- Frederick Sitzler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Sitzler's NPI active?
- Yes — Frederick Sitzler's NPI (1912192741) is active in the NPPES registry as of the last update on 2007-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.