Karlene D. Williams, MD
Internal Medicine Physician · Newark, NJ
Karlene D. Williams, MD is an internal medicine physician with a practice address in Newark, New Jersey, and NPI 1184720427, issued on Sep 15, 2006. Check the license (New Jersey 25MA07996000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karlene D. Williams
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 25MA07996000 NJ
228591 NY
Self-reported in NPPES; status is on the state search - Practice location
- 150 Bergen St, Newark, NJ 07103
- Phone
- (973) 972-5672
- Enumerated
- Sep 15, 2006
- Record last updated
- Aug 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (973) 972-0365
- Medicaid ID
- 0239186 NJ
- Medicare enrollment
- Enrolled (PECOS I20101123001059); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 150 Bergen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sampson Abah, MDStudent in an Organized Health Care Education/Training Program1639919665
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- Sarah Abbassi, M.D.Allergy & Immunology Physician1306209671
- Andrew Abdelmalek, MDStudent in an Organized Health Care Education/Training Program1962190843
- Carol Jean Abesamis, N.P,Family Nurse Practitioner1609088673
- Daniela Abramove, MDStudent in an Organized Health Care Education/Training Program1417743501
Verify Karlene D. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA07996000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
240 Medicare Part D claims for 98 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium28 claims
- Amlodipine Besylate18 claims
- Pantoprazole Sodium17 claims
- Metoprolol Tartrate16 claims
- Levothyroxine Sodium12 claims
- Lisinopril11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $166.79
2 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karlene D. Williams among 4,632 internal medicine physician records in New Jersey
Karlene D. Williams, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1998 · median 2000 among the 3,132 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 internal medicine physician records list a practice address in Newark
They are 184 of the 4,875 NPPES records with a practice address in Newark, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Suzanne Atkin, M.D.Newark, NJ 071031285669721
- Marianne Camargo, M.D.Newark, NJ 071031912166950
- Mary Cantey, M.D.Newark, NJ 071031851422687
- Dorothy Castro, MDNewark, NJ 071031982848297
- Irene Hao, MDNewark, NJ 071031598807521
- Iris Herrera, M.D.Newark, NJ 071031457446643
- Neil Kothari, M.D.Newark, NJ 071031639100233
- Ana Natale-Pereira, M.D.Newark, NJ 071031215949342
Common questions
What is Karlene D. Williams, MD's NPI number?
Karlene D. Williams, MD's National Provider Identifier (NPI) is 1184720427, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karlene D. Williams, MD located?
The NPPES record lists a practice address at 150 Bergen St, Newark, NJ, 07103. Phone: (973) 972-5672. Providers update this record themselves, so call before visiting.
How can I verify Karlene D. Williams, MD's license?
NPPES lists New Jersey license number 25MA07996000, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karlene D. Williams, MD prescribe under Medicare Part D?
In 2024, Karlene D. Williams, MD had 240 Medicare Part D claims for 98 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.