Marianne Ferrin, CRNP
NPI 1932318474 · Nurse Practitioner · Philadelphia, PA
Marianne Ferrin, CRNP is a Nurse Practitioner provider in Philadelphia, PA (NPI 1932318474).
Provider details
- NPI number
- 1932318474
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- TP004052P (PA)
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
19 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
- 2007-05-22
- Last updated
- 2011-02-14
Frequently asked questions
- What is Marianne Ferrin's NPI number?
- Marianne Ferrin's National Provider Identifier (NPI) is 1932318474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Ferrin's specialty?
- Marianne Ferrin is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marianne Ferrin located?
- Marianne Ferrin's practice location on file with NPPES is 51 N 39th St, Philadelphia, PA 19104-2640.
- What is Marianne Ferrin's phone number?
- The practice phone number listed in the NPPES registry for Marianne Ferrin is (215) 662-8766.
- Is Marianne Ferrin's NPI active?
- Yes — Marianne Ferrin's NPI (1932318474) is active in the NPPES registry as of the last update on 2011-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.