DR. KARLENE D WILLIAMS MD
NPI 1184720427
Internal Medicine in Newark, NJ

Active since September 15, 2006PECOS EnrolledAccepts Medicare Assignment
150 BERGEN ST, UH H-245, NEWARK, NJ 07103(973) 972-5672(973) 972-0365 Get Directions Write a Review

NPPES record last updated: August 11, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Karlene D Williams Md NPPES

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

DR. KARLENE D WILLIAMS MD (NPI 1184720427) is an individual internal medicine provider in Newark, New Jersey, licensed in New Jersey (25MA07996000) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Overlook Medical Center, and is a graduate of Howard University College Of Medicine (1998).

NPPES Registry Identity

NPI1184720427
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KARLENE D WILLIAMSCredential: MD
Location Address150 BERGEN ST, UH H-245Newark, NJ 07103-2496
Mailing Address66 W Gilbert St, 2nd FloorTinton Falls, NJ 07701-4947 · (732) 212-0051 · Fax (732) 212-0713
Fax(973) 972-0365
Sole ProprietorYes
Medical School CMSHoward University College Of MedicineGraduated 1998
Enumeration DateSeptember 15, 2006
Last NPPES UpdateAugust 11, 2011
✔ NPI 1184720427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NJ · 25MA07996000✔ Licensed in NY · 228591
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.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 25MA07996000 (NJ)
150 BERGEN ST, Newark, NJ 07103

Other Identifiers 4

Medicare UPINI51710NY
Medicare ID-Type Unspecified214SN1NY
Medicare PIN191017A02NJ
Medicaid0239186NJ

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. Karlene D Williams Md 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 ID7012927577
PECOS Enrollment IDI20101123001059
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 Karlene Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,699 clinicians in this Medicare group
Internal Medicine
350 ENGLE ST
Englewood, NJ 07631
  • Reassigned Medicare billing, New Jersey enrollment
  • 849 clinicians in this Medicare group

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
127 services66 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
41 services41 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
39 services39 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
29 services15 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Overlook Medical Center

Acute Care Hospitals · Summit, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310051
Location99 Beauvoir AvenueSummit, NJ 07901 · Union County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07103 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.

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.

Counselor (Professional)
150 BERGEN ST
NEWARK, NJ 07103
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Emergency Medicine
150 BERGEN ST
NEWARK, NJ 07103
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103
Student in an Organized Health Care Education/Training Program
150 BERGEN ST
NEWARK, NJ 07103

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 Karlene Williams's NPI number?

The NPI number for Karlene Williams is 1184720427. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Where is Karlene Williams located?

Karlene Williams practices at 150 Bergen St Uh H-245, Newark, NJ 07103. The listed phone number is (973) 972-5672.

What is Karlene Williams's specialty?

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

Is Karlene Williams enrolled in Medicare?

Yes. Karlene Williams 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.

Is Karlene Williams affiliated with any hospitals?

According to CMS data, Karlene Williams is affiliated with Overlook Medical Center.

When was this NPI record last updated?

The NPPES record for Karlene Williams was last updated on August 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.