John S. Walker, D.M.D.
Orthodontics and Dentofacial Orthopedics Dentistry · Boulder, CO
John S. Walker, D.M.D. is an orthodontics and dentofacial orthopedics dentistry with a practice address in Boulder, Colorado, and NPI 1295760502, issued on Jul 12, 2006. Check the license (Colorado HDL05355, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John S. Walker
- Credential
- D.M.D.
- Primary taxonomy
- Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
- License number
- HDL05355 CO
Self-reported in NPPES; status is on the state search - Practice location
- 350 Broadway, Boulder, CO 80305
- Phone
- (303) 494-3535
- Enumerated
- Jul 12, 2006
- Record last updated
- Dec 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (303) 494-5095
- Medicaid ID
- 105355 CO
- Entity
- Type 1 · individual
8 nearest orthodontics and dentofacial orthopedics dentistry records → All 328 in Colorado → Look up another NPI →
Also registered at 350 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Carpenter, M.A., CCC-AAudiologist1801038492
- Cathy Cohn, PHD, LCSWClinical Social Worker1992837579
- Bernadette Gimpel, LMFTMarriage & Family Therapist1952573214
- Julie Yun, PSY.D.Psychologist1619271475
Verify John S. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license HDL05355Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $244.89
5 payments; by number, the most common kind was food and beverage; the largest payer was USA Angelalign Technology Corp. The 7,622 providers of this specialty with any payment received $1,641.73 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.
John S. Walker among 328 orthodontics and dentofacial orthopedics dentistry records in Colorado
John S. Walker, D.M.D. is one of 328 orthodontics and dentofacial orthopedics dentistry records with a practice address in Colorado. 66% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 72% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2013 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthodontics and Dentofacial Orthopedics Dentistry providers in Colorado
There are 328 orthodontics and dentofacial orthopedics dentistry records in Colorado.
All 328 in Colorado → Every provider in Boulder → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →
The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes
- Elizabeth Lukens, DDS, MSBoulder, CO 803051851120141
- Jeffrey Pace, DMD, MSBoulder, CO 803051740621143
- Richard Fronczak, DDS MSDBoulder, CO 803021447424528
- Brent Lang, DDSBoulder, CO 803021356349203
- Gregory Norris, DDSBoulder, CO 803021902972383
- Jan Yamashiro, D.D.S., M.S.D.Boulder, CO 803021225303381
- Jeffrey Wong, D.D.S., M.S.Boulder, CO 803011912110693
- Jacob Zitterkopf, DDSDenver, CO 802601972013639
Common questions
What is John S. Walker, D.M.D.'s NPI number?
John S. Walker, D.M.D.'s National Provider Identifier (NPI) is 1295760502, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John S. Walker, D.M.D. located?
The NPPES record lists a practice address at 350 Broadway, Boulder, CO, 80305. Phone: (303) 494-3535. Providers update this record themselves, so call before visiting.
How can I verify John S. Walker, D.M.D.'s license?
NPPES lists Colorado license number HDL05355, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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.