Caitlin Duffy
NPI 1598583411 · Acute Care Nurse Practitioner · Philadelphia, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Duffy is a Acute Care Nurse Practitioner provider in Philadelphia, PA (NPI 1598583411).
Provider details
- NPI number
- 1598583411
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SP030183 (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
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
- 2024-09-30
- Last updated
- 2024-09-30
- Certified
- 2024-09-30
Frequently asked questions
- What is Caitlin Duffy's NPI number?
- Caitlin Duffy's National Provider Identifier (NPI) is 1598583411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Duffy's specialty?
- Caitlin Duffy is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caitlin Duffy located?
- Caitlin Duffy's practice location on file with NPPES is 800 Spruce St, Philadelphia, PA 19107-6130.
- What is Caitlin Duffy's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Duffy is (215) 829-5050.
- Does Caitlin Duffy accept Medicare?
- Caitlin Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Duffy's NPI active?
- Yes — Caitlin Duffy's NPI (1598583411) is active in the NPPES registry as of the last update on 2024-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.