Elizabeth Callahan, NURSE PRACTITIONER
NPI 1841924271 · Nurse Practitioner · Princeton, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Callahan, NURSE PRACTITIONER is a Nurse Practitioner provider in Princeton, NJ (NPI 1841924271).
Provider details
- NPI number
- 1841924271
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- No
- License
- 26NJ01336800 (NJ)
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 tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,751 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Fluorescence Wound Imaging for Bacteria, First Anatomic Site0598T | 544 | $147 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 496 | $68 |
| Therapy Procedure Using Ultrasound97610 | 204 | $416 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 203 | $68 |
| Fluorescence Wound Imaging for Bacteria, First Anatomic Site0598T | 160 | $147 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 159 | $117 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-07-12
- Last updated
- 2022-07-12
- Certified
- 2022-04-23
Frequently asked questions
- What is Elizabeth Callahan's NPI number?
- Elizabeth Callahan's National Provider Identifier (NPI) is 1841924271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Callahan's specialty?
- Elizabeth Callahan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Callahan located?
- Elizabeth Callahan's practice location on file with NPPES is 3626 Route 1, Princeton, NJ 08540-5922.
- What is Elizabeth Callahan's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Callahan is (609) 945-3611.
- Does Elizabeth Callahan accept Medicare?
- Elizabeth Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Callahan's NPI active?
- Yes — Elizabeth Callahan's NPI (1841924271) is active in the NPPES registry as of the last update on 2022-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.