David C. Simon, M.D.
Pediatrics Physician · Castle Rock, CO
David C. Simon, M.D. is a pediatrics physician with a practice address in Castle Rock, Colorado, and NPI 1205930302, issued on Sep 11, 2006. Check the license (Colorado 18878, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David C. Simon
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 18878 CO
Self-reported in NPPES; status is on the state search - Practice location
- 410 S Wilcox St, Castle Rock, CO 80104
- Phone
- (303) 688-6900
- Enumerated
- Sep 11, 2006
- Record last updated
- Jul 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (303) 688-1417
- Medicaid IDs
- 04007407 CO
01188788 CO - Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,155 in Colorado → Look up another NPI →
Also registered at 410 S Wilcox St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaitlyn Brock, M.ED., LPC CANDIDATECounselor1538569017
- Bart Keller, PA-CPhysician Assistant1679571475
Verify David C. Simon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 18878Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David C. Simon among 1,155 pediatrics physician records in Colorado
David C. Simon, M.D. is one of 1,155 pediatrics physician records with a practice address in Colorado. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileNo · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 pediatrics physician records list a practice address in Castle Rock
They are 12 of the 1,319 NPPES records with a practice address in Castle Rock, and 1,155 pediatrics physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,155 in Colorado → Every provider in Castle Rock → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Jennifer Anderson, M.D.Castle Rock, CO 801041467985390
- Judy Bloomberg, MDCastle Rock, CO 801041043362304
- William Chu, M.D.Castle Rock, CO 801041649286881
- Christopher Healey, M.D.Castle Rock, CO 801041497708341
- Margaret Sheehan, M.D.Castle Rock, CO 801041902913668
- Alan Stage, MDCastle Rock, CO 801041821044975
- Nicholas Krebs, M.D.Castle Pines, CO 801081942509237
- Sarah Grope, M.D.Castle Rock, CO 801091083668438
Common questions
What is David C. Simon, M.D.'s NPI number?
David C. Simon, M.D.'s National Provider Identifier (NPI) is 1205930302, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David C. Simon, M.D. located?
The NPPES record lists a practice address at 410 S Wilcox St, Castle Rock, CO, 80104. Phone: (303) 688-6900. Providers update this record themselves, so call before visiting.
How can I verify David C. Simon, M.D.'s license?
NPPES lists Colorado license number 18878, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.