ELIZABETH MAUREEN CALLAHAN NURSE PRACTITIONER
NPI 1841924271
Nurse Practitioner in Princeton, NJ

Q: What is Elizabeth Callahan's NPI number?

The NPI number for Elizabeth Callahan is 1841924271. It was assigned to this individual provider in the NPPES registry on July 12, 2022.

Q: What is Elizabeth Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since July 12, 2022PECOS EnrolledAccepts Medicare Assignment

3626 ROUTE 1, PRINCETON, NJ 08540(609) 945-3611 Get Directions Write a Review

NPPES record last updated: July 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Elizabeth Maureen Callahan Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELIZABETH MAUREEN CALLAHAN NURSE PRACTITIONER (NPI 1841924271) is an individual nurse practitioner in Princeton, New Jersey, licensed in New Jersey (26NJ01336800) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1841924271

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameELIZABETH MAUREEN CALLAHANCredential: NURSE PRACTITIONER

Location Address3626 ROUTE 1Princeton, NJ 08540-5922

Mailing Address15 Enterprise Ct Apt 112Jersey City, NJ 07305-6405 · (973) 525-3496

Phone(609) 945-3611

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJuly 12, 2022

NPPES CertifiedApril 23, 2022

✔ NPI 1841924271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in NJ · 26NJ01336800

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

3626 ROUTE 1, Princeton, NJ 08540

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth Maureen Callahan Nurse Practitioner is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618359704

PECOS Enrollment IDI20220805002480, I20230113000913, I20251107000639

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Callahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kane Wound Care LLC

1.7 mi

Internal Medicine

3626 ROUTE 1 N
Princeton, NJ 08540

Reassigned Medicare billing, New Jersey, New York and Pennsylvania enrollments
53 clinicians in this Medicare group

NPI 1275869802 (609) 945-3611

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Fluorescence wound imaging for bacteria, first anatomic site 0598T

Fluorescence wound imaging for bacteria is a non-invasive procedure that helps identify bacteria in a wound. A special device emits a safe, light glow onto the wound. This light causes bacteria to fluoresce, or shine, making them visible. It aids in targeted treatment planning.

544 services274 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

496 services337 patients

Therapy procedure using ultrasound 97610

Ultrasound therapy is a treatment used to heal and relieve pain. It involves using sound waves to stimulate body tissues, promoting healing and reducing inflammation. It's non-invasive, painless, and typically used for muscle, ligament injuries, or chronic pain.

204 services94 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

203 services190 patients

Fluorescence wound imaging for bacteria, first anatomic site 0598T

160 services139 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

159 services127 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

120 services101 patients

Fluorescence wound imaging for bacteria, each additional anatomic site 0599T

Fluorescence wound imaging for bacteria is a procedure that uses special light to detect harmful bacteria in wounds. When used on additional body areas, it helps to ensure no bacteria are missed, promoting better wound healing.

96 services52 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

93 services70 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

85 services81 patients

Fluorescence wound imaging for bacteria, each additional anatomic site 0599T

80 services46 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

71 services71 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

56 services52 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

51 services16 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

51 services51 patients

Removal of muscle and/or tissue, 20.0 sq cm or less 11043

This procedure involves the surgical removal of a specified area (20.0 sq cm or less) of muscle and/or tissue. It's typically done to treat conditions like tumors, infections, or injuries. Local or general anesthesia ensures comfort. Recovery time varies.

41 services32 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

37 services16 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

37 services31 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

34 services34 patients

Removal of muscle and/or tissue, 20.0 sq cm or less 11043

32 services24 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

28 services22 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

24 services24 patients

Application of chemical to stop tissue regrowth in wound 17250

This procedure involves applying a special chemical to a wound to prevent unwanted tissue from growing back. It aids in proper healing by ensuring only healthy tissue regrows. It's a common, safe practice in wound care.

21 services15 patients

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

15 services13 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.90 typical visit price

range $61.59 – $185.05

Typical copayment $23.72 (range $15.39 – $46.26)

Most-billed visit code 99203

Established Patient

$107.94 typical visit price

range $20.08 – $150.98

Typical copayment $26.98 (range $5.02 – $37.74)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JACLYN MARTELLI

Nurse Practitioner (Primary Care)

3626 ROUTE 1
PRINCETON, NJ 08540

Mercer County (609) 945-3611

CARLY ROSE MORGAN PA-C

Physician Assistant

3626 ROUTE 1
PRINCETON, NJ 08540

Mercer County (609) 945-7373

ALEXA R MANGAN FNP

Nurse Practitioner

3626 ROUTE 1
PRINCETON, NJ 08540

Mercer County (609) 945-7373

TAYLOR ROSSI AGPCNP-BC

Nurse Practitioner (Gerontology)

3626 ROUTE 1
PRINCETON, NJ 08540

Mercer County (609) 945-7373

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Callahan's NPI number?

The NPI number for Elizabeth Callahan is 1841924271. It was assigned to this individual provider in the NPPES registry on July 12, 2022.

Where is Elizabeth Callahan located?

Elizabeth Callahan practices at 3626 Route 1, Princeton, NJ 08540. The listed phone number is (609) 945-3611.

What is Elizabeth Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Elizabeth Callahan enrolled in Medicare?

Yes. Elizabeth Callahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Elizabeth Callahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Callahan reassigns Medicare benefits to Kane Wound Care LLC (Princeton, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Elizabeth Callahan was last updated on July 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.