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INGE SOPHIA REGAN M.D.
NPI 1831139500
Family Medicine in West Windsor, NJ

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment
64 PRINCETON HIGHTSTOWN RD STE 2, WEST WINDSOR, NJ 08550(609) 799-7009(609) 799-7808 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 12, 2026, Mar 17, 2025, Feb 24, 2025 (3 updates tracked since 2025).

About Inge Sophia Regan M.d. NPPES

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

INGE SOPHIA REGAN M.D. (NPI 1831139500) is an individual family medicine provider in West Windsor, New Jersey, licensed in New Jersey (25MA06123600) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ewing, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1993).

NPPES Registry Identity

NPI1831139500
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameINGE SOPHIA REGANCredential: M.D.
Location Address64 PRINCETON HIGHTSTOWN RD STE 2West Windsor, NJ 08550-1103
Mailing Address111 E Catherine StMilford, PA 18337-1347 · (609) 252-1387
Phone(609) 799-7009
Fax(609) 799-7808
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1993
Enumeration DateJune 8, 2006
Last NPPES UpdateMarch 12, 20263 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1831139500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in NJ · 25MA06123600
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 25MA06123600 (NJ)
64 PRINCETON HIGHTSTOWN RD STE 2, West Windsor, NJ 08550
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Other Names 1

Former Name (1)Inge Sophia Zelling

Secondary Practice Location 1

Location 1100 Campus Town Cir Ste 100Ewing, NJ 08638-1962 · Phone (609) 799-7009 · Fax (609) 799-7808

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

Inge Sophia Regan M.d. 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 ID5890609846
PECOS Enrollment IDI20090609000560
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 Reassignments

3

Medicare enrollment records show Inge Regan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Infocus Urgent Care Of West Windsor, LLC
Same address
Urgent Care
64 PRINCETON HIGHTSTOWN RD STE 2
West Windsor, NJ 08550
  • Reassigned Medicare billing, New Jersey enrollment
  • 6 clinicians in this Medicare group
NPI 1891227492 (609) 799-7009
Infocus Urgent Care Campus Town, LLC
9.2 mi
Urgent Care
100 CAMPUS TOWN CIR, SUITE 100
Ewing, NJ 08638
  • Reassigned Medicare billing, New Jersey enrollment
  • 5 clinicians in this Medicare group
NPI 1376089979 (856) 625-6343
The Radiology Group Of New Jersey, LLC
39 mi
Multi-Specialty
651 WILLOW GROVE ST
Hackettstown, NJ 07840
  • Reassigned Medicare billing, New Jersey enrollment
  • 429 clinicians in this Medicare group
NPI 1174010540 (908) 979-1621

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 4

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
145 services117 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
115 services107 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
68 services68 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08550 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.

SEETA ARJUN DO
Emergency Medicine
64 PRINCETON HIGHTSTOWN RD STE 2
WEST WINDSOR, NJ 08550
Mercer County (609) 799-7009
INFOCUS URGENT CARE OF WEST WINDSOR, LLC
Clinic/Center (Urgent Care)
64 PRINCETON HIGHTSTOWN RD STE 2
WEST WINDSOR, NJ 08550
Mercer County (609) 799-7009
PREMIER BRAIN AND SPINE LLC
Clinic/Center (Urgent Care)
64 PRINCETON HIGHTSTOWN RD STE 2
WEST WINDSOR, NJ 08550
Mercer County (609) 799-7009
JOHN J DONADEO M.D.
Emergency Medicine
64 PRINCETON HIGHTSTOWN RD STE 2
WEST WINDSOR, NJ 08550
Mercer County (609) 799-7009

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 Inge Regan's NPI number?

The NPI number for Inge Regan is 1831139500. It was assigned to this individual provider in the NPPES registry on June 8, 2006. The provider is also known as Inge Sophia Zelling.

Where is Inge Regan located?

Inge Regan practices at 64 Princeton Hightstown Rd Ste 2, West Windsor, NJ 08550. The listed phone number is (609) 799-7009.

What is Inge Regan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Inge Regan enrolled in Medicare?

Yes. Inge Regan 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 organizations bill Medicare for Inge Regan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Inge Regan reassigns Medicare benefits to 3 organizations: Infocus Urgent Care Of West Windsor, LLC (West Windsor, NJ), Infocus Urgent Care Campus Town, LLC (Ewing, NJ) and The Radiology Group Of New Jersey, LLC (Hackettstown, NJ). Each 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 Inge Regan'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 Inge Regan was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.