Lance D. Williams, M.D.
Emergency Medicine Physician · Norman, OK
Lance D. Williams, M.D. is an emergency medicine physician with a practice address in Norman, Oklahoma, and NPI 1689660847, issued on Sep 23, 2005. Check the license (Oklahoma 20233, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Lance D. Williams
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20233 OK
Self-reported in NPPES; status is on the state search - Practice location
- 901 N Porter Ave, Norman, OK 73071
- Phone
- (405) 307-1000
- Enumerated
- Sep 23, 2005
- Record last updated
- Mar 20, 2024
- Medicaid ID
- 100256000B OK
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 901 N Porter Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lance D. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 20233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average emergency medicine physician in 2024
281 Medicare Part D claims for 172 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 42 claims were for opioids.
Most prescribed
- Ondansetron Odt36 claims
- Prednisone30 claims
- Tramadol Hcl26 claims
- Hydrocodone-Acetaminophen16 claims
- Cephalexin15 claims
- Ciprofloxacin Hcl15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Lance D. Williams among 748 emergency medicine physician records in Oklahoma
Lance D. Williams, M.D. is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 emergency medicine physician records list a practice address in Norman
They are 63 of the 4,245 NPPES records with a practice address in Norman, and 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Norman → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Allen Baughman, D.O.Norman, OK 730711962875922
- Jason Benn, D.O.Norman, OK 730711427046671
- Matthew Bonner, M.D.Norman, OK 730711780679837
- Chad BorinNorman, OK 730711770578825
- Angela Carrick, D.O.Norman, OK 730711508939729
- Aaron Fry, D.O.Norman, OK 730711225401292
- Vincent Gonzalez, M.D.Norman, OK 730711952397481
- Kevin Hoos, D.O.Norman, OK 730711376539841
Common questions
What is Lance D. Williams, M.D.'s NPI number?
Lance D. Williams, M.D.'s National Provider Identifier (NPI) is 1689660847, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lance D. Williams, M.D. located?
The NPPES record lists a practice address at 901 N Porter Ave, Norman, OK, 73071. Phone: (405) 307-1000. Providers update this record themselves, so call before visiting.
How can I verify Lance D. Williams, M.D.'s license?
NPPES lists Oklahoma license number 20233, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lance D. Williams, M.D. prescribe under Medicare Part D?
In 2024, Lance D. Williams, M.D. had 281 Medicare Part D claims for 172 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.