MICHAEL SIRDOFSKY
NPI 1154321909
Psychiatry & Neurology - Neurology in Washington, DC
About Michael Sirdofsky NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL SIRDOFSKY (NPI 1154321909) is an individual neurology provider in Washington, District Of Columbia, licensed in District Of Columbia (14063) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael Sirdofsky is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Sirdofsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 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 20007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Michael Sirdofsky's NPI number?
The NPI number for Michael Sirdofsky is 1154321909. It was assigned to this individual provider in the NPPES registry on July 22, 2005.
Where is Michael Sirdofsky located?
Michael Sirdofsky practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-8525.
What is Michael Sirdofsky's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Michael Sirdofsky enrolled in Medicare?
Yes. Michael Sirdofsky is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Sirdofsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sirdofsky reassigns Medicare benefits to Mgmc LLC (Washington, DC). 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 Michael Sirdofsky'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 Michael Sirdofsky was last updated on March 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Michael Sirdofsky · NPI 1154321909
Neurology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since July 22, 2005.
## Identity
- **NPI:** 1154321909 (Entity type: Individual)
- **Enumerated:** July 22, 2005
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 14063 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3800 RESERVOIR RD NW, Washington, DC 20007-2113
- **Phone:** (202) 444-8525
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mgmc LLC (NPI 1316949654, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 15, 2012
- **Other identifiers:** Medicare UPIN B93537; Medicare PIN 000S91G65
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Source: [NPI Profile](https://npiprofile.com/npi/1154321909) · Data from the CMS NPPES public registry.