STEPHEN KOLAKOWSKI JR. MD
NPI 1003971102
Surgery - Vascular Surgery in Victorville, CA
About Stephen Kolakowski Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN KOLAKOWSKI JR. MD (NPI 1003971102) is an individual vascular surgery provider in Victorville, California, licensed in California (C146610) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Stephen Kolakowski Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Stephen Kolakowski reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 145 clinicians in this Medicare group
Apple Valley, CA 92308
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 39 clinicians in this Medicare group
Valley Village, CA 91607
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92395 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VICTORVILLE, CA 92395
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Kolakowski's NPI number?
The NPI number for Stephen Kolakowski is 1003971102. It was assigned to this individual provider in the NPPES registry on December 27, 2006.
Where is Stephen Kolakowski located?
Stephen Kolakowski practices at 13010 Hesperia Rd Ste 400, Victorville, CA 92395. The listed phone number is (760) 242-9355.
What is Stephen Kolakowski's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Stephen Kolakowski enrolled in Medicare?
Yes. Stephen Kolakowski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephen Kolakowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Kolakowski reassigns Medicare benefits to 6 organizations: Desert Valley Medical Group, Inc (Victorville, CA), Desert Vascular Center A Professional Medical Corporation (Apple Valley, CA), Choice Healthcare Associates, Inc. (Apple Valley, CA), Usa Vascular Centers Of Los Angeles, PC (Valley Village, CA), County Of San Joaquin (Manteca, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Kolakowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephen Kolakowski was last updated on November 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Stephen Kolakowski Jr., MD · NPI 1003971102
Vascular Surgery physician in Victorville, California. Individual provider, active in the CMS NPPES registry since December 27, 2006.
## Identity
- **NPI:** 1003971102 (Entity type: Individual)
- **Enumerated:** December 27, 2006
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** C146610 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 13010 HESPERIA RD STE 400, Victorville, CA 92395-8315
- **Phone:** (760) 242-9355
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Desert Valley Medical Group, Inc (NPI 1952020315, Victorville, CA); Desert Vascular Center A Professional Medical Corporation (NPI 1073224085, Apple Valley, CA); Choice Healthcare Associates, Inc. (NPI 1194964361, Apple Valley, CA); Usa Vascular Centers Of Los Angeles, PC (NPI 1679951362, Valley Village, CA); County Of San Joaquin (NPI 1417407636, Manteca, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** November 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1003971102) · Data from the CMS NPPES public registry.