JAMES L HENDERSON MD
NPI 1750366860
Anesthesiology in Silver Spring, MD
About James L Henderson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES L HENDERSON MD (NPI 1750366860) is an individual anesthesiology provider in Silver Spring, Maryland, licensed in Maryland (D0024346) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Garrett Regional Medical Center, and is a graduate of Other (1991).
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
James L Henderson 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
5Medicare enrollment records show James Henderson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Owings Mills, MD 21117
- Reassigned Medicare billing, Maryland enrollment
- 14 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 154 clinicians in this Medicare group
Grantsville, MD 21536
- Reassigned Medicare billing, Maryland enrollment
- 120 clinicians in this Medicare group
Fishersville, VA 22939
- Reassigned Medicare billing, Virginia enrollment
- 434 clinicians in this Medicare group
Princeton, WV 24740
- Reassigned Medicare billing, West Virginia enrollment
- 95 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Garrett Regional Medical Center
Acute Care Hospitals · Oakland, MDWinchester Medical Center
Acute Care Hospitals · Winchester, VAFrequently 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 James Henderson's NPI number?
The NPI number for James Henderson is 1750366860. It was assigned to this individual provider in the NPPES registry on December 12, 2005.
Where is James Henderson located?
James Henderson practices at 325 Reserve Gate Ter, Silver Spring, MD 20905. The listed phone number is (240) 417-9774.
What is James Henderson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Henderson enrolled in Medicare?
Yes. James Henderson 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 James Henderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Henderson reassigns Medicare benefits to 5 organizations: Xenon Health Of Maryland LLC (Owings Mills, MD), Valley Health Anesthesia Services, LLC (Winchester, VA), Specialty Physicians Of Garrett County, LLC (Grantsville, MD), Augusta Medical Group (Fishersville, VA) and Hospitalist Medicine Physicians Of West Virginia - South Charleston (Princeton, WV). 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 James Henderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Henderson accept?
Health plans from CareSource list James Henderson 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 James Henderson affiliated with any hospitals?
According to CMS data, James Henderson is affiliated with Garrett Regional Medical Center and Winchester Medical Center.
When was this NPI record last updated?
The NPPES record for James Henderson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# James L Henderson, MD · NPI 1750366860
Anesthesiology physician in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since December 12, 2005.
## Identity
- **NPI:** 1750366860 (Entity type: Individual)
- **Enumerated:** December 12, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0024346 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 325 RESERVE GATE TER, Silver Spring, MD 20905-5040
- **Phone:** (240) 417-9774
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Xenon Health Of Maryland LLC (NPI 1497191811, Owings Mills, MD); Valley Health Anesthesia Services, LLC (NPI 1174343610, Winchester, VA); Specialty Physicians Of Garrett County, LLC (NPI 1881361442, Grantsville, MD); Augusta Medical Group (NPI 1245489590, Fishersville, VA); Hospitalist Medicine Physicians Of West Virginia - South Charleston (NPI 1063228120, Princeton, WV) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN F52820
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Source: [NPI Profile](https://npiprofile.com/npi/1750366860) · Data from the CMS NPPES public registry.