ATTAN KASID MD
NPI 1740362599
Internal Medicine in Gaithersburg, MD
About Attan Kasid Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATTAN KASID MD (NPI 1740362599) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Maryland (D55054) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Attan Kasid 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
3Medicare enrollment records show Attan Kasid reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gaithersburg, MD 20877
- Reassigned Medicare billing, District of Columbia enrollment
Gaithersburg, MD 20877
- Reassigned Medicare billing, District of Columbia enrollment
- 234 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 270 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 8
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 20877 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
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 Attan Kasid's NPI number?
The NPI number for Attan Kasid is 1740362599. It was assigned to this individual provider in the NPPES registry on October 20, 2006.
Where is Attan Kasid located?
Attan Kasid practices at 604 S Frederick Ave Ste 409, Gaithersburg, MD 20877. The listed phone number is (301) 990-8800.
What is Attan Kasid's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Attan Kasid enrolled in Medicare?
Yes. Attan Kasid 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 Attan Kasid's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Attan Kasid reassigns Medicare benefits to 3 organizations: Attan Kasid MD PC (Gaithersburg, MD), Professional Services Of Holy Cross (Gaithersburg, MD) and Hospitalist Medicine Physicians Of Maryland PC (Frederick, 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 Attan Kasid'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 Attan Kasid was last updated on September 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.