Karen Lynn Williams, M.D.
Family Medicine Physician · Califon, NJ
Karen Lynn Williams, M.D. is a family medicine physician with a practice address in Califon, New Jersey, and NPI 1710911391, issued on Jul 10, 2006. Check the license (New Jersey 25MA08800700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karen Lynn Williams
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25MA08800700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 384 County Road 513, Califon, NJ 07830
- Phone
- (908) 832-2125
- Enumerated
- Jul 10, 2006
- Record last updated
- Aug 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110609000332); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,770 in New Jersey → Look up another NPI →
Also registered at 384 County Road 513
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael BriskiFamily Medicine Physician1427613850
- Raymond Byrd, MDFamily Medicine Physician1235127994
- Ellen Duveneck, MDFamily Medicine Physician1326422643
- Joseph Jaskolski, MDFamily Medicine Physician1295723807
- Angela Lee, DOFamily Medicine Physician1053848382
- John McGowan, MDFamily Medicine Physician1568450237
Verify Karen Lynn 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 25MA08800700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average family medicine physician in 2024
2,662 Medicare Part D claims for 334 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium246 claims
- Rosuvastatin Calcium180 claims
- Lisinopril165 claims
- Levothyroxine Sodium152 claims
- Amlodipine Besylate128 claims
- Metformin Hcl77 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.
Bills Medicare through one group practice
- Hunterdon Primary Care PCFlemington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lynn Williams among 2,770 family medicine physician records in New Jersey
Karen Lynn Williams, M.D. is one of 2,770 family 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, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2004 · median 2006 among the 1,875 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Califon
They are 8 of the 51 NPPES records with a practice address in Califon, and 2,770 family medicine physician records in New Jersey.
All 2,770 in New Jersey → Every provider in Califon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael BriskiCalifon, NJ 078301427613850
- Raymond Byrd, MDCalifon, NJ 078301235127994
- Ellen Duveneck, MDCalifon, NJ 078301326422643
- Joseph Jaskolski, MDCalifon, NJ 078301295723807
- Angela Lee, DOCalifon, NJ 078301053848382
- David LevyCalifon, NJ 078301740118108
- John McGowan, MDCalifon, NJ 078301568450237
- Eugene Cullen, M.D.Columbia, NJ 078321487620407
Common questions
What is Karen Lynn Williams, M.D.'s NPI number?
Karen Lynn Williams, M.D.'s National Provider Identifier (NPI) is 1710911391, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lynn Williams, M.D. located?
The NPPES record lists a practice address at 384 County Road 513, Califon, NJ, 07830. Phone: (908) 832-2125. Providers update this record themselves, so call before visiting.
How can I verify Karen Lynn Williams, M.D.'s license?
NPPES lists New Jersey license number 25MA08800700, 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 Karen Lynn Williams, M.D. prescribe under Medicare Part D?
In 2024, Karen Lynn Williams, M.D. had 2,662 Medicare Part D claims for 334 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.