Mariellen Sarsfield, CRNP
NPI 1790140226 · Family Nurse Practitioner · Philadelphia, PA
Mariellen Sarsfield, CRNP is a Family Nurse Practitioner provider in Philadelphia, PA (NPI 1790140226).
Provider details
- NPI number
- 1790140226
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- SP014814 (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
10 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
- 2015-12-29
- Last updated
- 2017-11-10
Frequently asked questions
- What is Mariellen Sarsfield's NPI number?
- Mariellen Sarsfield's National Provider Identifier (NPI) is 1790140226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariellen Sarsfield's specialty?
- Mariellen Sarsfield is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariellen Sarsfield located?
- Mariellen Sarsfield's practice location on file with NPPES is 3535 Market St, Philadelphia, PA 19104-3309.
- What is Mariellen Sarsfield's phone number?
- The practice phone number listed in the NPPES registry for Mariellen Sarsfield is (215) 746-3535.
- Is Mariellen Sarsfield's NPI active?
- Yes — Mariellen Sarsfield's NPI (1790140226) is active in the NPPES registry as of the last update on 2017-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.