Marissa Firlie, MD
NPI 1639919426 · Student in an Organized Health Care Education/Training Program · Baltimore, MD
Enrolled with Medicare as Order and Referring Only - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Firlie, MD is a Student in an Organized Health Care Education/Training Program provider in Baltimore, MD (NPI 1639919426).
Provider details
- NPI number
- 1639919426
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
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
83% 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
- 2024-05-29
- Last updated
- 2024-05-29
- Certified
- 2024-05-29
Frequently asked questions
- What is Marissa Firlie's NPI number?
- Marissa Firlie's National Provider Identifier (NPI) is 1639919426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Firlie's specialty?
- Marissa Firlie is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Marissa Firlie located?
- Marissa Firlie's practice location on file with NPPES is 2401 W Belvedere Ave, Baltimore, MD 21215-5270.
- What is Marissa Firlie's phone number?
- The practice phone number listed in the NPPES registry for Marissa Firlie is (410) 601-7639.
- Does Marissa Firlie accept Medicare?
- Marissa Firlie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Firlie's NPI active?
- Yes — Marissa Firlie's NPI (1639919426) is active in the NPPES registry as of the last update on 2024-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.