Dr. Michael Robert Williams, MD
- Part D claims, 2024
- 137
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 14300 Orchard Pkwy, Westminster, CO 80023
- Practice phone
- Call (720) 627-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Michael Robert Williams is an internist in Westminster, Colorado
Dr. Williams practices at CommonSpirit - St. Anthony North Hospital in Westminster, Colorado, part of CommonSpirit Health.
Dr. Williams' NPI, 1982676706, was assigned on February 6, 2006. Dr. Williams graduated from University of California, Geffen School of Medicine in 1998. Dr. Williams holds Colorado license 38544.
- NPI
- 1982676706NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991991911
- NPI enumeration date
- February 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (720) 627-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Robert Williams practices at CommonSpirit - St. Anthony North Hospital in Westminster, Colorado
Dr. Williams' primary practice is CommonSpirit - St. Anthony North Hospital, at 14300 Orchard Pkwy, Westminster, CO 80023 in Broomfield County. The practice phone is (720) 627-0000.
- CommonSpirit - St. Anthony North Hospital14300 Orchard Pkwy, Westminster, CO 80023 · Broomfield CountyPhone(720) 627-0000
Source: Dmand AI Affiliation Data
Dr. Michael Robert Williams is affiliated with 2 sites of care and 2 medical groups
Dr. Williams' primary practice is CommonSpirit - St. Anthony North Hospital in Westminster, Colorado, part of CommonSpirit Health. Dr. Williams is also affiliated with Good Samaritan Hospital. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Williams to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Robert Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CommonSpirit - St. Anthony North Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Robert Williams is one of 1,668 internists in Colorado
Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williams is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
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. Michael Robert Williams' patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 54, with 46% 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 54
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Michael Robert Williams wrote 137 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 137 Medicare Part D claims for 74 patients. 88% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $80 in total drug cost.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic121 claims88%
- Brand-name16 claims12%
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
- Opioids8%11 of 137 claims
- Antibiotics20%28 of 137 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Michael Robert 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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Dr. Michael Robert Williams graduated from University of California, Geffen School of Medicine
Dr. Williams graduated from University of California, Geffen School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Robert 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 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Michael Robert 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. Michael Robert Williams' NPI number?
Dr. Michael Robert Williams' NPI number is 1982676706. It was assigned on February 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Robert Williams?
Dr. Michael Robert Williams is an internist in Westminster, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Robert Williams practice?
Dr. Williams practices at 14300 Orchard Pkwy, Westminster, CO 80023. Dr. Williams' primary practice is CommonSpirit - St. Anthony North Hospital in Westminster, Colorado, part of CommonSpirit Health. Dmand AI also links Dr. Williams to 1 medical group.
What is Dr. Michael Robert Williams' office phone number?
The practice phone on file for Dr. Williams is (720) 627-0000.
What is Dr. Michael Robert Williams' medical license number?
Dr. Williams holds Colorado license 38544.
Which hospitals is Dr. Michael Robert Williams affiliated with?
Dr. Williams practices at CommonSpirit - St. Anthony North Hospital in Westminster, Colorado. Dr. Williams is also affiliated with Good Samaritan Hospital.
What medical group is Dr. Michael Robert Williams part of?
Dr. Williams is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Michael Robert Williams accept Medicare?
Yes. CMS lists Dr. Williams as accepting Medicare assignment.
Where did Dr. Michael Robert Williams go to medical school?
Dr. Williams graduated from University of California, Geffen School of Medicine in 1998.
What drugs does Dr. Michael Robert Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Cefuroxime.
How long has Dr. Michael Robert Williams been practicing?
Dr. Williams graduated from medical school in 1998, 28 years ago.
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