Karen W. Williams, M.D.
Internal Medicine Physician · Tamarac, FL
Karen W. Williams, M.D. is an internal medicine physician with a practice address in Tamarac, Florida, and NPI 1316262868, issued on Mar 27, 2010. Check the license (Florida ME142100, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Karen W. Williams
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME142100 FL
D77990 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9800 W Commercial Blvd, Tamarac, FL 33351
- Phone
- (954) 475-5500
- Enumerated
- Mar 27, 2010
- Record last updated
- Aug 22, 2025
- Medicaid ID
- 103877800 FL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 9800 W Commercial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Obaydah Abdurraqeeb, DOFamily Medicine Physician1316101264
- Linda AlexisClinical Social Worker1215409107
- Paola Arrue, LCSWClinical Social Worker1205374303
- Johnlee Beaton, ODOptometrist1104066067
- Ann Berger, MSWSocial Worker1427211572
- Thomas Bizzarro, MSWClinical Social Worker1144617259
Verify Karen W. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME142100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,536 Medicare Part D claims for 332 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium232 claims
- Amlodipine Besylate136 claims
- Levothyroxine Sodium136 claims
- Rosuvastatin Calcium102 claims
- Losartan Potassium100 claims
- Metformin Hcl96 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.
The MIPS final score for 2023 (Medicare payment program): 99.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $336.98
18 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Karen W. Williams among 10,151 internal medicine physician records in Florida
Karen W. Williams, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2025 · 48% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 internal medicine physician records list a practice address in Tamarac
They are 39 of the 1,061 NPPES records with a practice address in Tamarac, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Tamarac → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Medhat Awad, M.D.Sunrise, FL 333511275563827
- Marc Bivins, MDSunrise, FL 333511073647707
- Armando Fernandez, MDSunrise, FL 333511558366377
- Jessica Geller, M.D.Lauderhill, FL 333511174662670
- Rodolfo Guevara, M.D.Sunrise, FL 333511437368552
- Mohan Gupta, MDSunrise, FL 333511295791994
- Jason Haffizulla, M.D.Tamarac, FL 333511033281191
- Howard Koch, MDSunrise, FL 333511003872375
Common questions
What is Karen W. Williams, M.D.'s NPI number?
Karen W. Williams, M.D.'s National Provider Identifier (NPI) is 1316262868, issued on Mar 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Karen W. Williams, M.D. located?
The NPPES record lists a practice address at 9800 W Commercial Blvd, Tamarac, FL, 33351. Phone: (954) 475-5500. Providers update this record themselves, so call before visiting.
How can I verify Karen W. Williams, M.D.'s license?
NPPES lists Florida license number ME142100, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen W. Williams, M.D. prescribe under Medicare Part D?
In 2024, Karen W. Williams, M.D. had 2,536 Medicare Part D claims for 332 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karen W. Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.