KARIM LASHIN D.O
NPI 1053647685
Anesthesiology in Bethesda, MD
About Karim Lashin D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARIM LASHIN D.O (NPI 1053647685) is an individual anesthesiology provider in Bethesda, Maryland, licensed in Virginia (0102208128) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Karim Lashin D.o 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
7Medicare enrollment records show Karim Lashin reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1073678637 (District of Columbia), NPI 1225156367 (Virginia), NPI 1114677572 (Virginia)
- 2,492 clinicians in this Medicare group
Washington, DC 20036
- Reassigned Medicare billing, Maryland enrollment
- 2,602 clinicians in this Medicare group
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 318 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 548 clinicians in this Medicare group
Richmond, VA 23225
- Reassigned Medicare billing, Virginia enrollment
- 167 clinicians in this Medicare group
Virginia Beach, VA 23456
- Reassigned Medicare billing, Virginia enrollment
- 707 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 7
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Franklin Square Medical Center
Acute Care Hospitals · Rosedale, MDInova Loudoun Hospital
Acute Care Hospitals · Leesburg, VACjw Medical Center
Acute Care Hospitals · Richmond, VAMedicare 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.
BETHESDA, MD 20814
BETHESDA, MD 20814
BETHESDA, MD 20814
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 Karim Lashin's NPI number?
The NPI number for Karim Lashin is 1053647685. It was assigned to this individual provider in the NPPES registry on November 2, 2009.
Where is Karim Lashin located?
Karim Lashin practices at 8600 Old Georgetown Rd, Bethesda, MD 20814. The listed phone number is (301) 896-3100.
What is Karim Lashin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Karim Lashin enrolled in Medicare?
Yes. Karim Lashin 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 Karim Lashin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karim Lashin reassigns Medicare benefits to 7 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD), Medstar Medical Group II LLC (Washington, DC), Inova Cares - Community (Fairfax, VA), First Colonies Anesthesia Associates, LLC (Columbia, MD), Anesthesia Company, LLC (Annapolis, MD) and 2 more organizations, listed in the Medicare section above. 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 Karim Lashin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karim Lashin accept?
Health plans from Oscar Health list Karim Lashin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Karim Lashin affiliated with any hospitals?
According to CMS data, Karim Lashin is affiliated with Medstar Franklin Square Medical Center, Inova Loudoun Hospital and Cjw Medical Center.
When was this NPI record last updated?
The NPPES record for Karim Lashin was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Karim Lashin, D.O · NPI 1053647685
Anesthesiology physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since November 2, 2009.
## Identity
- **NPI:** 1053647685 (Entity type: Individual)
- **Enumerated:** November 2, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 0102208128 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8600 OLD GEORGETOWN RD, Bethesda, MD 20814-1422
- **Phone:** (301) 896-3100
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1376601872, Kensington, MD); Medstar Medical Group II LLC (NPI 1376887844, Washington, DC); Inova Cares - Community (NPI 1861131906, Fairfax, VA); First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** January 5, 2026
- **Other identifiers:** Medicaid PENDING (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1053647685) · Data from the CMS NPPES public registry.