Re: Early developmental outcome of infants with infantile hypertrophic stenosis (opens in a new tab)
J Pediatr Surg
Developmental DisabilitiesLanguage Development DisordersMotor Skills Disorders
Dr. Robert A. Williams Jr., MD
NPI1245400951
- Medicare services, 2022
- 1,203
- Part D claims, 2024
- 1,090
- Publications
- 3
- Industry payments
- $253
- Affiliated sites
- 1
- Practice address
- 1599 Ingalls St, Lakewood, CO 80214
- Practice phone
- Call (303) 232-3551
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cedars Healthcare Center - Lakewood
Skilled Nursing Facility · Lakewood, Colorado
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. Robert A. Williams Jr. is a family medicine physician in Lakewood, Colorado
Dr. Williams practices at Cedars Healthcare Center - Lakewood in Lakewood, Colorado.
Dr. Williams' NPI, 1245400951, was assigned on March 10, 2008. Dr. Williams graduated from Tulane School of Medicine in 2005. Dr. Williams holds California license A99934.
NPI and contact details
- NPI
- 1245400951NPI Registry (opens in a new tab)
- NPI enumeration date
- March 10, 2008
- NPI status
- Active
- Practice phone
- (303) 232-3551
- 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; and Dmand AI Affiliation Data
Dr. Robert A. Williams Jr. practices at Cedars Healthcare Center - Lakewood in Lakewood, Colorado
Dr. Williams' primary practice is Cedars Healthcare Center - Lakewood, at 1599 Ingalls St, Lakewood, CO 80214 in Jefferson County. The practice phone is (303) 232-3551.
- Cedars Healthcare Center - Lakewood1599 Ingalls St, Lakewood, CO 80214 · Jefferson CountyPhone(303) 232-3551
Source: Dmand AI Affiliation Data
Dr. Robert A. Williams Jr. is affiliated with 1 site of care
Dr. Williams' primary practice is Cedars Healthcare Center - Lakewood in Lakewood, Colorado.
Cedars Healthcare Center - LakewoodPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert A. Williams Jr.'s 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 |
|---|---|
| Cedars Healthcare Center - Lakewood | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert A. Williams Jr. is one of 2,952 family medicine physicians in Colorado
Family medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Williams is board certified in family medicine by the National Board of Physicians and Surgeons. Dmand AI has Dr. Williams' licenses on file in 2 states: California and Colorado.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Colorado 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. Robert A. Williams Jr. billed Medicare for 1,203 services in 2022
CMS data shows 1,203 Medicare services from Dr. Williams across 5 procedure codes in 2022. Medicare paid $88,275 for them. Every service was in an office.
Medicare services, 20221,203
Paid by Medicare$88,275
Procedure codes5
Dr. Williams' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 6172022: 1,20395%
Dr. Williams compared with the Colorado median for family medicine physicians, 2022
- Dr. Williams
- Colorado median
- Medicare services
- 1,203vs 2724.4 times
- Part D claims
- 836vs 68023% above
Medians across 2,975 family medicine physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other family medicine physicians in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert A. Williams Jr.'s patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 61, with 33% 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 61
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Robert A. Williams Jr. wrote 1,090 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 1,090 Medicare Part D claims for 82 patients. 86% of them were for generic drugs. CMS names the drug for 836 of them, across 34 drugs with 11 or more claims each, at $36,412 in total drug cost. In 2023, CMS named 4,391 claims across 79 drugs.
Part D claims, 20241,090
Drugs named by CMS34
Total drug cost$36,412
Part D patients82
Dr. Williams' Part D claims by kind of drug, 2024
- Generic935 claims86%
- Brand-name155 claims14%
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
- Antibiotics2%23 of 1,090 claims
- Antipsychotics, patients 65 and over3%35 of 1,090 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: 4,3912024: 83681%
Drugs named by CMS: 34 in 2024, 79 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
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Dr. Robert A. Williams Jr. has 3 publications on record
Dmand AI links 3 papers to Dr. Williams. Dr. Williams' most frequent co-author is Kennith Hans Sartorelli, MD.
Papers3
Dr. Williams' most frequent co-authors
Recent publications by Dr. Williams
AnestheticsEvidence-Based MedicineHypnotics and Sedatives
Anesthesiology
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert A. Williams Jr. received $253 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Williams from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. BioHorizons Implant Systems Inc. paid the most, $142. It also lists 22 research payments totaling $168,071 from 2024 to 2025, naming 3 clinical trials.
General payments to Dr. Williams by program year, 2016 to 2025
Companies that paid Dr. Williams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert A. Williams Jr. graduated from Tulane School of Medicine
Dr. Williams graduated from Tulane School of Medicine in 2005.
- Medical school
- Board certified in family medicine
- Board certified in geriatric medicine
- Board certified in hospice and palliative medicine
Source: Dmand AI Professional Profile Data
Dr. Robert A. Williams Jr. accepts plans from 1 insurance carrier
Dr. Williams is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Aetna
Plan types Dr. Williams accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert A. Williams Jr.'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Robert A. Williams Jr.
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. Robert A. Williams Jr.'s NPI number?
Dr. Robert A. Williams Jr.'s NPI number is 1245400951. It was assigned on March 10, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Williams Jr.?
Dr. Robert A. Williams Jr. is a family medicine physician in Lakewood, Colorado. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Robert A. Williams Jr. practice?
Dr. Williams practices at 1599 Ingalls St, Lakewood, CO 80214. Dr. Williams' primary practice is Cedars Healthcare Center - Lakewood in Lakewood, Colorado.
What is Dr. Robert A. Williams Jr.'s office phone number?
The practice phone on file for Dr. Williams is (303) 232-3551.
What is Dr. Robert A. Williams Jr.'s medical license number?
Dr. Williams holds California license A99934, one of the licenses on file in 2 states.
Which states has Dr. Robert A. Williams Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Williams in California (since 2007) and Colorado (2009 to 2025).
Does Dr. Robert A. Williams Jr. accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 1,203 services in 2022.
Is Dr. Robert A. Williams Jr. board certified?
Yes. Dr. Williams is board certified in family medicine by the National Board of Physicians and Surgeons.
What services does Dr. Robert A. Williams Jr. bill to Medicare?
In 2022, Dr. Williams' most billed Medicare services were nursing facility care (99309), nursing facility care (99306) and care management and other visits (99497).
Where did Dr. Robert A. Williams Jr. go to medical school?
Dr. Williams graduated from Tulane School of Medicine in 2005.
Show 6 more questionsShow fewer questions
What drugs does Dr. Robert A. Williams Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Levetiracetam.
Has Dr. Robert A. Williams Jr. received payments from drug or device companies?
CMS Open Payments shows $253 in general payments to Dr. Williams from 5 companies from 2016 to 2025. The largest total came from BioHorizons Implant Systems Inc.
How long has Dr. Robert A. Williams Jr. been practicing?
Dr. Williams graduated from medical school in 2005, 21 years ago.
Does Dr. Robert A. Williams Jr. do research?
Dmand AI links 3 publications to Dr. Williams.
Who does Dr. Robert A. Williams Jr. publish with?
Dr. Williams' most frequent co-authors are Kennith Hans Sartorelli, MD (1 shared paper).
What insurance does Dr. Robert A. Williams Jr. accept?
Dr. Williams is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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