1. Home
  2. Directory
  3. New Jersey
  4. Millburn
  5. Internal Medicine
  6. NPI Profile

DR. NANCY FREUNDLICH M.D.
NPI 1992716021
Internal Medicine in Millburn, NJ

Active since August 11, 2006PECOS EnrolledAccepts Medicare Assignment
225 MILLBURN AVE, SUITE 209, MILLBURN, NJ 07041(973) 218-9330(973) 218-9351 Get Directions Write a Review

NPPES record last updated: March 1, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nancy Freundlich M.d. NPPES

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

DR. NANCY FREUNDLICH M.D. (NPI 1992716021) is an individual internal medicine provider in Millburn, New Jersey, licensed in New Jersey (MA050127) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (1986).

NPPES Registry Identity

NPI1992716021
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NANCY FREUNDLICHCredential: M.D.
Location Address225 MILLBURN AVE, SUITE 209Millburn, NJ 07041-1737
Mailing Address225 Millburn Ave, Suite 209Millburn, NJ 07041-1737 · (973) 218-9330 · Fax (973) 218-9351
Phone(973) 218-9330
Fax(973) 218-9351
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 1986
Enumeration DateAugust 11, 2006
Last NPPES UpdateMarch 1, 2016
✔ NPI 1992716021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NJ · MA050127
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
225 MILLBURN AVE, Millburn, NJ 07041
Open in Google Maps ↗

Other Identifiers 4

Medicare PIN795425
Medicare PIN795425SJ6NJ
Medicare UPIND80330
Medicaid1178407NJ

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

Dr. Nancy Freundlich 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 ID42208662
PECOS Enrollment IDI20040503001652
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

2

Medicare enrollment records show Nancy Freundlich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Associates In Internal Medicine & Nephrology, P.C.
Same address
Internal Medicine
225 MILLBURN AVE, SUITE 209
Millburn, NJ 07041
  • Reassigned Medicare billing, New Jersey enrollment
  • 3 clinicians in this Medicare group
NPI 1992716013 (973) 218-9330
Essex Renal & Medical Group,llc
3.3 mi
Nephrology
511 S ORANGE AVE
South Orange, NJ 07079
  • Reassigned Medicare billing, New Jersey enrollment
  • 6 clinicians in this Medicare group
NPI 1972545648 (973) 762-4720

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 5

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.

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.
134 services63 patients
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.
68 services45 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
53 services52 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
42 services42 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07041 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers11 claims23 services$6.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

STUART BASKIN, M.D., P.A.
Internal Medicine (Nephrology)
225 MILLBURN AVE, SUITE 304
MILLBURN, NJ 07041
Essex County (973) 218-1800
DR. YETUNDE ADEOLA MD
Psychiatry & Neurology (Psychiatry)
225 MILLBURN AVE, SUITE 210
MILLBURN, NJ 07041
Essex County (973) 494-4614
WENDY BOND LCSW
Social Worker (Clinical)
225 MILLBURN AVE, SUITE 209A
MILLBURN, NJ 07041
Essex County (973) 564-9556
M. KEVIN O'CONNOR MD LLC
Clinic/Center (Adult Mental Health)
225 MILLBURN AVE, SUITE 210
MILLBURN, NJ 07041
Essex County (973) 912-0200
GARDEN STATE BARIATRICS & WELLNESS CENTER,LLC
Family Medicine (Obesity Medicine)
225 MILLBURN AVE, SUITE 204
MILLBURN, NJ 07041
Essex County (973) 218-1990
AMY BLOCK LCSW
Social Worker (Clinical)
225 MILLBURN AVE, SUITE 209A
MILLBURN, NJ 07041
Essex County (201) 306-3758
PASE HEALTHCARE, PC
Internal Medicine
225 MILLBURN AVE, SUITE 303
MILLBURN, NJ 07041
Essex County (973) 912-7273
DR. MUBASHIR SHABIL BILLAH M.D.
Urology
225 MILLBURN AVE
MILLBURN, NJ 07041
Essex County (973) 218-9400

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 Nancy Freundlich's NPI number?

The NPI number for Nancy Freundlich is 1992716021. It was assigned to this individual provider in the NPPES registry on August 11, 2006.

Where is Nancy Freundlich located?

Nancy Freundlich practices at 225 Millburn Ave Suite 209, Millburn, NJ 07041. The listed phone number is (973) 218-9330.

What is Nancy Freundlich's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nancy Freundlich enrolled in Medicare?

Yes. Nancy Freundlich 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 Nancy Freundlich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Freundlich reassigns Medicare benefits to 2 organizations: Associates In Internal Medicine & Nephrology, P.C. (Millburn, NJ) and Essex Renal & Medical Group,llc (South Orange, 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 Nancy Freundlich'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 Nancy Freundlich was last updated on March 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.