Ellen Holtz, PMHNP-BC
NPI 1689512709 · Psychiatric/Mental Health Nurse Practitioner · Ellicott City, MD
Ellen Holtz, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Ellicott City, MD (NPI 1689512709).
Provider details
- NPI number
- 1689512709
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- R232846 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-03-23
- Last updated
- 2026-03-23
- Certified
- 2026-03-22
Frequently asked questions
- What is Ellen Holtz's NPI number?
- Ellen Holtz's National Provider Identifier (NPI) is 1689512709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Holtz's specialty?
- Ellen Holtz is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ellen Holtz located?
- Ellen Holtz's practice location on file with NPPES is 5036 Dorsey Hall Dr Ste 206, Ellicott City, MD 21042-7890.
- What is Ellen Holtz's phone number?
- The practice phone number listed in the NPPES registry for Ellen Holtz is (410) 884-9200.
- Is Ellen Holtz's NPI active?
- Yes — Ellen Holtz's NPI (1689512709) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.