Clark William Walker, M.D.
Otolaryngology Physician · Lone Tree, CO
Clark William Walker, M.D. is an otolaryngology physician with a practice address in Lone Tree, Colorado, and NPI 1508956699, issued on Oct 13, 2006. Check the license (Colorado 43076, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clark William Walker
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 43076 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10099 Ridgegate Pkwy, Lone Tree, CO 80124
- Phone
- (303) 706-1616
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (303) 706-0177
- Medicaid ID
- 00172766 CO
- Medicare enrollment
- Enrolled (PECOS I20050127000324); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1990
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 188 in Colorado → Look up another NPI →
Also registered at 10099 Ridgegate Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diane Arenberg, AUDAudiologist1619188349
- Tanya Atagi, M.D.Specialist1386656601
- Sanford Avner, M.D.Allergy & Immunology Physician1093813511
- Barbara Bell - Lehmkuhler, AUDAudiologist1700097466
- Christopher Blicharski, M.D.Internal Medicine Physician1548276975
- Henry Carr, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1508805045
Verify Clark William Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 43076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average otolaryngology physician in 2024
299 Medicare Part D claims for 101 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 14 claims were for opioids.
Most prescribed
- Levothyroxine Sodium64 claims
- Synthroid49 claims
- Mupirocin38 claims
- Ciprofloxacin Hcl31 claims
- Ciprofloxacin-Dexamethasone15 claims
- Hydrocodone-Acetaminophen14 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $57.78
3 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Integrated Ear Nose And Throat PCLone Tree, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clark William Walker among 188 otolaryngology physician records in Colorado
Clark William Walker, M.D. is one of 188 otolaryngology physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2007 among the 136 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Colorado
There are 188 otolaryngology physician records in Colorado.
All 188 in Colorado → Every provider in Lone Tree → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Pratima AgarwalLone Tree, CO 801241538628789
- Bradley Andrews, MDLone Tree, CO 801241891822896
- Cristina Cabrera-Muffly, M.D.Lone Tree, CO 801241811050743
- Marcia Eustaquio, M.D.Lone Tree, CO 801241629117999
- Shivani Pathak, M.D.Lone Tree, CO 801241962898361
- Timothy Pingree, M.D.Lone Tree, CO 801241386734457
- Phillip Whiting, M.D.Lone Tree, CO 801241326337296
- Justin Wilson, M.D.Lone Tree, CO 801241467791392
Common questions
What is Clark William Walker, M.D.'s NPI number?
Clark William Walker, M.D.'s National Provider Identifier (NPI) is 1508956699, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clark William Walker, M.D. located?
The NPPES record lists a practice address at 10099 Ridgegate Pkwy, Lone Tree, CO, 80124. Phone: (303) 706-1616. Providers update this record themselves, so call before visiting.
How can I verify Clark William Walker, M.D.'s license?
NPPES lists Colorado license number 43076, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clark William Walker, M.D. prescribe under Medicare Part D?
In 2024, Clark William Walker, M.D. had 299 Medicare Part D claims for 101 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Clark William Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.