Daniel A. Williams
- Medicare services, 2024
- 20
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 170
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 1600 Eureka Road, Roseville, CA 95661
- Practice phone
- Call (916) 784-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Daniel Williams' professional email, personal email and mobile number
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Daniel A. Williams is an emergency medicine physician in Roseville, California
Daniel Williams practices at Roseville Medical Center in Roseville, California, part of Kaiser Permanente.
Daniel Williams' NPI, 1790956779, was assigned on March 18, 2008. Daniel Williams holds Indiana license 02003228A.
- NPI
- 1790956779NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850466632
- NPI enumeration date
- March 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 784-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel A. Williams practices at Roseville Medical Center in Roseville, California
Daniel Williams' primary practice is Roseville Medical Center, at 1600 Eureka Road, Roseville, CA 95661 in Placer County. The practice phone is (916) 784-4000.
- Roseville Medical Center1600 Eureka Road, Roseville, CA 95661 · Placer CountyPhone(916) 784-4000
Source: Dmand AI Affiliation Data
Daniel A. Williams is affiliated with 2 sites of care and 1 medical group
Daniel Williams' primary practice is Roseville Medical Center in Roseville, California, part of Kaiser Permanente. Daniel Williams is also affiliated with Olympia Fields Hospital. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel A. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roseville Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel A. Williams is one of 7,423 emergency medicine physicians in California
Emergency medicine is Daniel Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Daniel Williams is licensed in Indiana.
Specialties and state licenses
- Emergency medicine, IndianaPrimary
Emergency medicine physicians near Daniel Williams
Counts of emergency 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
Daniel A. Williams billed Medicare for 20 services in 2024
CMS data shows 20 Medicare services from Daniel Williams across 1 procedure code in 2024, for 30 Medicare patients. Medicare paid $1,711 for them. Every service was in a facility, such as a hospital, rather than an office.
Daniel Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 212024: 205%
Daniel Williams compared with the California median for emergency medicine physicians, 2024
- Daniel Williams
- California median
- Medicare services
- 20vs 26592% below
- Medicare patients
- 30vs 24388% below
- Part D claims
- 66vs 626% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Daniel 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Daniel Williams and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Daniel A. Williams treated 30 Medicare patients in 2024, average age 68
CMS counts 30 Medicare patients who saw Daniel Williams in 2024. The largest group is 75 to 84, with 12 patients. 75% of them have high blood pressure, and 60% have high cholesterol. 57% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Daniel Williams' median patient age at 36, with 61% women.
Daniel Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Daniel Williams' Medicare patients by sex, 2024
- Women1550%
- Men1550%
Chronic conditions among Daniel Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol60%
- Arthritis40%
- Diabetes40%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Daniel Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Daniel A. Williams wrote 170 Medicare Part D claims in 2024
In 2024, Daniel Williams wrote 170 Medicare Part D claims for 140 patients. 96% of them were for generic drugs. CMS names the drug for 66 of them, across 4 drugs with 11 or more claims each, at $693 in total drug cost. In 2023, CMS named 65 claims across 4 drugs.
Daniel Williams' Part D claims by kind of drug, 2024
- Generic163 claims96%
- Brand-name and other7 claims4%
Daniel 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 Daniel Williams' Part D claims, 2024
- Antibiotics43%73 of 170 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: 652024: 662%
Drugs named by CMS: 4 in 2024, 4 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 Daniel A. Williams takes part in Medicare
Daniel 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 Daniel A. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Daniel A. 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 Daniel A. Williams' NPI number?
Daniel A. Williams' NPI number is 1790956779. It was assigned on March 18, 2008, and it is active in the NPI Registry.
What does Daniel A. Williams specialize in?
Daniel A. Williams is an emergency medicine physician in Roseville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Daniel A. Williams practice?
Daniel Williams practices at 1600 Eureka Road, Roseville, CA 95661. Daniel Williams' primary practice is Roseville Medical Center in Roseville, California, part of Kaiser Permanente.
What is Daniel A. Williams' office phone number?
The practice phone on file for Daniel Williams is (916) 784-4000.
What is Daniel A. Williams' medical license number?
Daniel Williams holds Indiana license 02003228A.
Which hospitals is Daniel A. Williams affiliated with?
Daniel Williams practices at Roseville Medical Center in Roseville, California. Daniel Williams is also affiliated with Olympia Fields Hospital.
What medical group is Daniel A. Williams part of?
Daniel Williams is linked to The Permanente Medical Group, Inc.
Does Daniel A. Williams accept Medicare?
Yes. CMS data shows Daniel Williams billed Medicare for 20 services in 2024, and Daniel Williams accepts Medicare assignment.
How many Medicare patients does Daniel A. Williams see?
CMS counts 30 Medicare patients who saw Daniel Williams in 2024, with an average age of 68.
What services does Daniel A. Williams bill to Medicare?
In 2024, Daniel Williams' most billed Medicare services were emergency department visit (99284).
What drugs does Daniel A. Williams prescribe most?
In 2024 Medicare Part D data, Daniel Williams' most prescribed drugs by claims were Cephalexin, Ibuprofen and Prednisone.
How long has Daniel A. Williams been practicing?
Daniel Williams graduated from medical school in 2005, 21 years ago.
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