Marilynn Phung-Kolczewski, NP
NPI 1538993431 · Family Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilynn Phung-Kolczewski, NP is a Family Nurse Practitioner provider in Boston, MA (NPI 1538993431).
Provider details
- NPI number
- 1538993431
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2303034 (MA)
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
1 yr 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
- 2024-09-02
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Marilynn Phung-Kolczewski's NPI number?
- Marilynn Phung-Kolczewski's National Provider Identifier (NPI) is 1538993431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilynn Phung-Kolczewski's specialty?
- Marilynn Phung-Kolczewski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilynn Phung-Kolczewski located?
- Marilynn Phung-Kolczewski's practice location on file with NPPES is 10 Gove St, Boston, MA 02128-1920.
- What is Marilynn Phung-Kolczewski's phone number?
- The practice phone number listed in the NPPES registry for Marilynn Phung-Kolczewski is (617) 569-5800.
- Does Marilynn Phung-Kolczewski accept Medicare?
- Marilynn Phung-Kolczewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilynn Phung-Kolczewski's NPI active?
- Yes — Marilynn Phung-Kolczewski's NPI (1538993431) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.