Dr. Clotyl Williams, MD
- Medicare services, 2021
- 86
- Part D claims, 2024
- 3,555
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Los Angeles, California
Find Dr. Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Clotyl Williams is a family medicine physician in Los Angeles, California
Dr. Williams practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Williams' NPI, 1154649846, was assigned on May 5, 2010. Dr. Williams holds Massachusetts license 250783.
- NPI
- 1154649846NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042469066
- NPI enumeration date
- May 5, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clotyl Williams practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Williams' primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Clotyl Williams is affiliated with 2 sites of care and 1 medical group
Dr. Williams' primary practice is Southern California Permanente Medical Group in Los Angeles, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Williams to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Clotyl Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clotyl Williams is one of 15,680 family medicine physicians in California
Family medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Williams' licenses on file in 2 states: Massachusetts and Illinois.
Specialties and state licenses
- Family medicine, MassachusettsPrimary
- Illinois license
Family medicine physicians near Dr. Williams
Counts of family medicine physicians 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. Clotyl Williams billed Medicare for 86 services in 2021
CMS data shows 86 Medicare services from Dr. Williams across 3 procedure codes in 2021. Medicare paid $1,800 for them. Every service was in an office.
Dr. Williams compared with the California median for family medicine physicians, 2021
- Dr. Williams
- California median
- Medicare services
- 86vs 24665% below
- Part D claims
- 3,117vs 8333.7 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clotyl Williams' patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 50, with 68% women.
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 50
Patient panel by sex, all payers
- Women68%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Clotyl Williams wrote 3,555 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 3,555 Medicare Part D claims for 556 patients. 86% of them were for generic drugs. CMS names the drug for 3,117 of them, across 66 drugs with 11 or more claims each, at $160,562 in total drug cost. In 2023, CMS named 2,811 claims across 63 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic3,050 claims86%
- Brand-name432 claims12%
- Other73 claims2%
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
- Opioids2%56 of 3,555 claims
- Antibiotics1%49 of 3,555 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,8112024: 3,11711%
Drugs named by CMS: 66 in 2024, 63 in 2023.
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
How Dr. Clotyl Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Clotyl Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Clotyl 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. Clotyl Williams' NPI number?
Dr. Clotyl Williams' NPI number is 1154649846. It was assigned on May 5, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Clotyl Williams?
Dr. Clotyl Williams is a family medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Clotyl Williams practice?
Dr. Williams practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Williams' primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dmand AI also links Dr. Williams to 1 group practice or clinic.
What is Dr. Clotyl Williams' office phone number?
The practice phone on file for Dr. Williams is (323) 783-4011.
What is Dr. Clotyl Williams' medical license number?
Dr. Williams holds Massachusetts license 250783, one of the licenses on file in 2 states.
Which states has Dr. Clotyl Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Massachusetts and Illinois.
What medical group is Dr. Clotyl Williams part of?
Dr. Williams is linked to Southern California Permanente Medical Group.
Does Dr. Clotyl Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 86 services in 2021, and Dr. Williams accepts Medicare assignment.
What services does Dr. Clotyl Williams bill to Medicare?
In 2021, Dr. Williams' most billed Medicare services were medical service (0011A), medical service (0001A) and medical service (0012A).
What drugs does Dr. Clotyl Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Clotyl Williams been practicing?
Dr. Williams graduated from medical school in 2004, 22 years ago.
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