Nicholas Rizer
NPI 1427635184 · Emergency Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Rizer is a Emergency Medicine Physician provider in Baltimore, MD (NPI 1427635184).
Provider details
- NPI number
- 1427635184
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- D0100470 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-03-26
- Last updated
- 2024-11-05
- Certified
- 2024-11-05
Frequently asked questions
- What is Nicholas Rizer's NPI number?
- Nicholas Rizer's National Provider Identifier (NPI) is 1427635184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Rizer's specialty?
- Nicholas Rizer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Rizer located?
- Nicholas Rizer's practice location on file with NPPES is 1830 E Monument St Ste 6-100, Baltimore, MD 21287-0020.
- What is Nicholas Rizer's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Rizer is (410) 955-5000.
- Does Nicholas Rizer accept Medicare?
- Nicholas Rizer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Rizer's NPI active?
- Yes — Nicholas Rizer's NPI (1427635184) is active in the NPPES registry as of the last update on 2024-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.