Catherine Mcelwain, MSN, FNP-BC
NPI 1215994157 · Family Nurse Practitioner · Philadelphia, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Mcelwain, MSN, FNP-BC is a Family Nurse Practitioner provider in Philadelphia, PA (NPI 1215994157).
Provider details
- NPI number
- 1215994157
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 3264 (CO)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1900 Wardenburg DrBoulder, CO 80309-6074Phone: (303) 492-5101
- 2111 Champa StDenver, CO 80205-2529Phone: (303) 312-2217
- 7403 Church Ranch BlvdWestminster, CO 80021-6074Phone: (303) 372-3444
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2021-07-06
- Certified
- 2021-07-06
Frequently asked questions
- What is Catherine Mcelwain's NPI number?
- Catherine Mcelwain's National Provider Identifier (NPI) is 1215994157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Mcelwain's specialty?
- Catherine Mcelwain is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Mcelwain located?
- Catherine Mcelwain's practice location on file with NPPES is 3401 Market St, Philadelphia, PA 19104-3318.
- What is Catherine Mcelwain's phone number?
- The practice phone number listed in the NPPES registry for Catherine Mcelwain is (215) 220-4700.
- Does Catherine Mcelwain accept Medicare?
- Catherine Mcelwain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Mcelwain's NPI active?
- Yes — Catherine Mcelwain's NPI (1215994157) is active in the NPPES registry as of the last update on 2021-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.