Mark Ratzlaff, LCSW
NPI 1477949329 · Clinical Social Worker · Charlottesville, VA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ratzlaff, LCSW is a Clinical Social Worker provider in Charlottesville, VA (NPI 1477949329).
Provider details
- NPI number
- 1477949329
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0904004017 (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
11 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
- 2015-04-07
- Last updated
- 2020-10-16
- Certified
- 2020-10-16
Frequently asked questions
- What is Mark Ratzlaff's NPI number?
- Mark Ratzlaff's National Provider Identifier (NPI) is 1477949329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ratzlaff's specialty?
- Mark Ratzlaff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Ratzlaff located?
- Mark Ratzlaff's practice location on file with NPPES is 108 5th St Se, Charlottesville, VA 22902-5284.
- What is Mark Ratzlaff's phone number?
- The practice phone number listed in the NPPES registry for Mark Ratzlaff is (434) 249-0029.
- Does Mark Ratzlaff accept Medicare?
- Mark Ratzlaff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ratzlaff's NPI active?
- Yes — Mark Ratzlaff's NPI (1477949329) is active in the NPPES registry as of the last update on 2020-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.