Hilary Holzer, MA, LCADC
NPI 1235370172 · Addiction (Substance Use Disorder) Counselor · Prince Frederick, MD
Hilary Holzer, MA, LCADC is a Addiction (Substance Use Disorder) Counselor provider in Prince Frederick, MD (NPI 1235370172).
Provider details
- NPI number
- 1235370172
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MA, LCADC
- Sex
- Female
- Sole proprietor
- No
- License
- LCA458 (MD)
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
17 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
- 2009-03-23
- Last updated
- 2009-03-23
Frequently asked questions
- What is Hilary Holzer's NPI number?
- Hilary Holzer's National Provider Identifier (NPI) is 1235370172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Holzer's specialty?
- Hilary Holzer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Hilary Holzer located?
- Hilary Holzer's practice location on file with NPPES is 975 Solomons Island Rd N, Prince Frederick, MD 20678-3917.
- What is Hilary Holzer's phone number?
- The practice phone number listed in the NPPES registry for Hilary Holzer is (410) 535-5400.
- Is Hilary Holzer's NPI active?
- Yes — Hilary Holzer's NPI (1235370172) is active in the NPPES registry as of the last update on 2009-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.