Lillian Metzger, FNP
NPI 1821586421 · Family Nurse Practitioner · Waldorf, MD
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Metzger, FNP is a Family Nurse Practitioner provider in Waldorf, MD (NPI 1821586421).
Provider details
- NPI number
- 1821586421
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- R192437 (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
8 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
- 2018-04-29
- Last updated
- 2025-10-22
- Certified
- 2025-10-22
Frequently asked questions
- What is Lillian Metzger's NPI number?
- Lillian Metzger's National Provider Identifier (NPI) is 1821586421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Metzger's specialty?
- Lillian Metzger is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lillian Metzger located?
- Lillian Metzger's practice location on file with NPPES is 5901 Parrotfish Ct, Waldorf, MD 20603-4272.
- What is Lillian Metzger's phone number?
- The practice phone number listed in the NPPES registry for Lillian Metzger is (301) 613-2094.
- Does Lillian Metzger accept Medicare?
- Lillian Metzger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Metzger's NPI active?
- Yes — Lillian Metzger's NPI (1821586421) is active in the NPPES registry as of the last update on 2025-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.