INNA SHAMIS
NPI 1639489032
Nurse Practitioner in Rockville, MD
About Inna Shamis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
INNA SHAMIS (NPI 1639489032) is an individual nurse practitioner in Rockville, Maryland, licensed in Maryland (R165785) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Laurel, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Inna Shamis 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
2Medicare enrollment records show Inna Shamis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 26 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
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 20850 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
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 Inna Shamis's NPI number?
The NPI number for Inna Shamis is 1639489032. It was assigned to this individual provider in the NPPES registry on October 19, 2010.
Where is Inna Shamis located?
Inna Shamis practices at 10110 Molecular Dr Ste 206, Rockville, MD 20850. The listed phone number is (301) 279-2779.
What is Inna Shamis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Inna Shamis enrolled in Medicare?
Yes. Inna Shamis 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 Inna Shamis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Inna Shamis reassigns Medicare benefits to 2 organizations: Montgomery Medical Associates, P.C. (Rockville, MD) and Inna Shamis (Rockville, MD). 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 Inna Shamis'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 Inna Shamis was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Inna Shamis · NPI 1639489032
Nurse Practitioner physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since October 19, 2010.
## Identity
- **NPI:** 1639489032 (Entity type: Individual)
- **Enumerated:** October 19, 2010
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** R165785 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10110 MOLECULAR DR STE 206, Rockville, MD 20850-7542
- **Phone:** (301) 279-2779 · **Fax:** (301) 279-2767
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Montgomery Medical Associates, P.C. (NPI 1760432462, Rockville, MD); Inna Shamis (NPI 1811856537, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 076053600 (DC); Medicaid 052703300 (MD)
---
Source: [NPI Profile](https://npiprofile.com/npi/1639489032) · Data from the CMS NPPES public registry.