Mark G. Kruchen, O.D.
Optometrist · Littleton, CO
Mark G. Kruchen, O.D. is an optometrist with a practice address in Littleton, Colorado, and NPI 1336106863, issued on Apr 27, 2006. Check the license (Colorado 1169, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark G. Kruchen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1169 CO
Self-reported in NPPES; status is on the state search - Practice location
- 7761 Shaffer Pkwy Ste 200, Littleton, CO 80127
- Phone
- (303) 979-4505
- Enumerated
- Apr 27, 2006
- Record last updated
- Jul 23, 2026
- Fax
- (303) 933-0714
- Medicaid ID
- 67403395 CO
- Medicare enrollment
- Enrolled (PECOS I20080108000024); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1977
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Also registered at 7761 Shaffer Pkwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Pallagi, ODOptometrist1396108080
- Jessie Vassau, O.D.Optometrist1447694278
Verify Mark G. Kruchen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 1169Check 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: $256.38
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 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
- Loomis, Yount, Peterson And Associates, PLLCLittleton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark G. Kruchen among 1,273 optometrist records in Colorado
Mark G. Kruchen, O.D. is one of 1,273 optometrist records with a practice address in Colorado. 72% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 62% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1977 · median 2009 among the 750 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 optometrist records list a practice address in Littleton
They are 41 of the 3,918 NPPES records with a practice address in Littleton, and 1,273 optometrist records in Colorado.
All 1,273 in Colorado → Every provider in Littleton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Tara Derose, O.D.Littleton, CO 801271992703771
- Marcie Glassner, O.D.Littleton, CO 801271750350823
- Steven Loomis, O.D.Littleton, CO 801271063470144
- Jennifer Nightingale, ODLittleton, CO 801271902471733
- Lisa Pallagi, ODLittleton, CO 801271396108080
- Suzette Place, ODLittleton, CO 801271932164860
- Gary Romansky, O.D.Littleton, CO 801271760520332
- Lori Sanger, O.D.Littleton, CO 801271598980500
Common questions
What is Mark G. Kruchen, O.D.'s NPI number?
Mark G. Kruchen, O.D.'s National Provider Identifier (NPI) is 1336106863, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark G. Kruchen, O.D. located?
The NPPES record lists a practice address at 7761 Shaffer Pkwy Ste 200, Littleton, CO, 80127. Phone: (303) 979-4505. Providers update this record themselves, so call before visiting.
How can I verify Mark G. Kruchen, O.D.'s license?
NPPES lists Colorado license number 1169, 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.