Dr. Winifred E. Williams, MD

  • Torrance, CA
  • Internist
NPI1982788253PAC ID2769413947
Medicare services, 2024
585
Medicare patients, 2024
120
Part D claims, 2024
2,495
Affiliated sites
16
Medical groups
2
Practice address
4333 Torrance Blvd, Torrance, CA 90503
Practice phone
Call (562) 470-6884
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mobile Vascular Resource Inc.

Torrance, California

See all 19 affiliations

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Dr. Winifred E. Williams is an internist in Torrance, California

Dr. Williams practices at Mobile Vascular Resource Inc. in Torrance, California.

Dr. Williams' NPI, 1982788253, was assigned on October 24, 2006. Dr. Williams holds California license A70389.

NPI and contact details
Medicare PAC ID
2769413947
NPI enumeration date
October 24, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(562) 470-6884
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Winifred E. Williams practices at Mobile Vascular Resource Inc. in Torrance, California

Dr. Williams' primary practice is Mobile Vascular Resource Inc., at 4333 Torrance Blvd, Torrance, CA 90503 in Los Angeles County. The practice phone is (562) 470-6884.

  • Mobile Vascular Resource Inc.
    4333 Torrance Blvd, Torrance, CA 90503 · Los Angeles CountyPhone(562) 470-6884

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Winifred E. Williams is affiliated with 17 sites of care and 2 medical groups

Dr. Williams' primary practice is Mobile Vascular Resource Inc. in Torrance, California. The medical group on file is Healthier Lifestyle Medical Group. Dmand AI also links Dr. Williams to 5 more home health agencies, 5 hospices, 2 physician offices, 2 group practices and clinics, 2 skilled nursing facilities and 1 medical group, each named with a free account.

See all 19 affiliations for Dr. Williams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Winifred E. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 16 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mobile Vascular Resource Inc.Available with a free account
+16 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Winifred E. Williams is one of 16,751 internists in California

Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williams is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A70389 · taxonomy 207R00000X

Internists near Dr. Williams

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Winifred E. Williams billed Medicare for 585 services in 2024

CMS data shows 585 Medicare services from Dr. Williams across 7 procedure codes in 2024, for 120 Medicare patients. Medicare paid $57,781 for them. Every service was in an office.

Medicare services, 2024585
Medicare patients120
Paid by Medicare$57,781
Procedure codes7

Dr. Williams' Medicare services by type, 2024

  1. Office and hospital visits387
  2. Other services198

Dr. Williams compared with the California median for internists, 2024

  • Dr. Williams
  • California median
Medicare services
585vs 36162% above
Medicare patients
120vs 15121% below
Part D claims
2,005vs 4214.8 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Williams' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Williams

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Winifred E. Williams treated 120 Medicare patients in 2024, average age 75

CMS counts 120 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have arthritis, and 75% have diabetes. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 73, with 54% women.

Medicare patients, 2024120
Average age75
Average risk score1.52

Dr. Williams' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Williams' Medicare patients by sex, 2024

  • Women6857%
  • Men5243%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. Arthritis75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Ischemic heart disease74%
  6. Heart failure57%
  7. Mood disorders38%
  8. Anxiety37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women54%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Winifred E. Williams wrote 2,495 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 2,495 Medicare Part D claims for 219 patients. 83% of them were for generic drugs. CMS names the drug for 2,005 of them, across 62 drugs with 11 or more claims each, at $159,441 in total drug cost.

Part D claims, 20242,495
Drugs named by CMS62
Total drug cost$159,441
Part D patients219

Dr. Williams' Part D claims by kind of drug, 2024

  • Generic2,076 claims83%
  • Brand-name402 claims16%
  • Other17 claims1%

Dr. Williams' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Williams' Part D claims, 2024

  • Antipsychotics, patients 65 and over2%48 of 2,495 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Williams

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Winifred E. Williams offers telehealth to Medicare patients

Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Williams as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Sources for Dr. Winifred E. Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Winifred E. Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Winifred E. Williams' NPI number?

Dr. Winifred E. Williams' NPI number is 1982788253. It was assigned on October 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Winifred E. Williams?

Dr. Winifred E. Williams is an internist in Torrance, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Winifred E. Williams practice?

Dr. Williams practices at 4333 Torrance Blvd, Torrance, CA 90503. Dr. Williams' primary practice is Mobile Vascular Resource Inc. in Torrance, California. Dmand AI also links Dr. Williams to 5 home health agencies, 5 hospices, 2 physician offices, 2 group practices and clinics, 2 skilled nursing facilities and 1 medical group.

What is Dr. Winifred E. Williams' office phone number?

The practice phone on file for Dr. Williams is (562) 470-6884.

What is Dr. Winifred E. Williams' medical license number?

Dr. Williams holds California license A70389.

What medical group is Dr. Winifred E. Williams part of?

Dr. Williams is linked to Healthier Lifestyle Medical Group. Dmand AI links Dr. Williams to 1 more medical group.

Does Dr. Winifred E. Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 585 services in 2024, and Dr. Williams accepts Medicare assignment.

Does Dr. Winifred E. Williams offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Williams as offering telehealth services.

How many Medicare patients does Dr. Winifred E. Williams see?

CMS counts 120 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.

What services does Dr. Winifred E. Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were care management and other visits (99443), medicare service (G0181) and office visit, established patient (99214).

What drugs does Dr. Winifred E. Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.

How long has Dr. Winifred E. Williams been practicing?

Dr. Williams graduated from medical school in 1994, 32 years ago.

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