DR. STEPHEN MARK CHRZANOWSKI PHD
NPI 1427552835
Psychiatry & Neurology - Neurology in Worcester, MA
About Dr. Stephen Mark Chrzanowski Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN MARK CHRZANOWSKI PHD (NPI 1427552835) is an individual neurology provider in Worcester, Massachusetts, licensed in Massachusetts (291047) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Florida College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Stephen Mark Chrzanowski Phd 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 Reassignment
Medicare enrollment records show Stephen Chrzanowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Chrzanowski's NPI number?
The NPI number for Stephen Chrzanowski is 1427552835. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Stephen Chrzanowski located?
Stephen Chrzanowski practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 441-7615.
What is Stephen Chrzanowski's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Stephen Chrzanowski enrolled in Medicare?
Yes. Stephen Chrzanowski 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 organization bills Medicare for Stephen Chrzanowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Chrzanowski reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The 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 Chrzanowski'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 Chrzanowski was last updated on June 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Stephen Mark Chrzanowski, PHD · NPI 1427552835
Neurology physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since March 20, 2018.
## Identity
- **NPI:** 1427552835 (Entity type: Individual)
- **Enumerated:** March 20, 2018
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 291047 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, Worcester, MA 01655-0002
- **Phone:** (774) 441-7615 · **Fax:** (508) 856-4287
## 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:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Florida College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** June 3, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1427552835) · Data from the CMS NPPES public registry.