Amber Zissimos
NPI 1528764438 · Acute Care Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amber Zissimos is a Acute Care Nurse Practitioner provider in Baltimore, MD (NPI 1528764438).
Provider details
- NPI number
- 1528764438
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- R209740 (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
3 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
- 2023-02-02
- Last updated
- 2023-10-31
- Certified
- 2023-10-31
Frequently asked questions
- What is Amber Zissimos's NPI number?
- Amber Zissimos's National Provider Identifier (NPI) is 1528764438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amber Zissimos's specialty?
- Amber Zissimos is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amber Zissimos located?
- Amber Zissimos's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is Amber Zissimos's phone number?
- The practice phone number listed in the NPPES registry for Amber Zissimos is (410) 328-6454.
- Does Amber Zissimos accept Medicare?
- Amber Zissimos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amber Zissimos's NPI active?
- Yes — Amber Zissimos's NPI (1528764438) is active in the NPPES registry as of the last update on 2023-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.