Nicholas Ellis
NPI 1861178667 · Psychiatric/Mental Health Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Ellis is a Psychiatric/Mental Health Nurse Practitioner provider in Baltimore, MD (NPI 1861178667).
Provider details
- NPI number
- 1861178667
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 244221 (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
2 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
- 2023-06-26
- Last updated
- 2023-06-26
- Certified
- 2023-06-26
Frequently asked questions
- What is Nicholas Ellis's NPI number?
- Nicholas Ellis's National Provider Identifier (NPI) is 1861178667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Ellis's specialty?
- Nicholas Ellis is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Ellis located?
- Nicholas Ellis's practice location on file with NPPES is Univ of Maryland Medical Ctr, 22 S Greene St, Baltimore, MD 21201.
- What is Nicholas Ellis's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Ellis is (410) 328-8667.
- Does Nicholas Ellis accept Medicare?
- Nicholas Ellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Ellis's NPI active?
- Yes — Nicholas Ellis's NPI (1861178667) is active in the NPPES registry as of the last update on 2023-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.