JANIS M. ORLOWSKI MD
NPI 1457304271
Internal Medicine - Nephrology in Washington, DC
About Janis M. Orlowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANIS M. ORLOWSKI MD (NPI 1457304271) is an individual nephrology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD034891) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Janis M. Orlowski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Janis Orlowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 6 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 2
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 20010 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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Janis Orlowski's NPI number?
The NPI number for Janis Orlowski is 1457304271. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Janis Orlowski located?
Janis Orlowski practices at 110 Irving St NW Suite 2a38, Washington, DC 20010. The listed phone number is (202) 877-2848.
What is Janis Orlowski's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Janis Orlowski enrolled in Medicare?
Yes. Janis Orlowski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Janis Orlowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janis Orlowski reassigns Medicare benefits to National Capital Nephrology, PC (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 Janis Orlowski'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 Janis Orlowski was last updated on September 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Janis M. Orlowski, MD · NPI 1457304271
Nephrology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1457304271 (Entity type: Individual)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD034891 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 IRVING ST NW, SUITE 2A38, Washington, DC 20010-2976
- **Phone:** (202) 877-2848 · **Fax:** (202) 877-6292
## 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:** National Capital Nephrology, PC (NPI 1912177049, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 22, 2011
- **Other identifiers:** Medicaid 405636100 (MD); Medicare UPIN C38445 (DC); Medicaid 010100402 (VA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1457304271) · Data from the CMS NPPES public registry.