DR. JENNIFER L MARK M.D.
NPI 1558327676
Hospitalist in Salem, VA
About Dr. Jennifer L Mark M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNIFER L MARK M.D. (NPI 1558327676) is an individual hospitalist provider in Salem, Virginia, licensed in Missouri (2003013584) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Lewisgale Medical Center, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 4
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
Dr. Jennifer L Mark M.d. 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 Reassignment
Medicare enrollment records show Jennifer Mark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Salem, VA 24153
- Reassigned Medicare billing, Virginia enrollment
- 181 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lewisgale Medical Center
Acute Care Hospitals · Salem, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 24153 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALEM, VA 24153
SALEM, VA 24153
SALEM, VA 24153
SALEM, VA 24153
SALEM, VA 24153
SALEM, VA 24153
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 Jennifer Mark's NPI number?
The NPI number for Jennifer Mark is 1558327676. It was assigned to this individual provider in the NPPES registry on April 26, 2006.
Where is Jennifer Mark located?
Jennifer Mark practices at 1900 Electric Rd, Salem, VA 24153. The listed phone number is (540) 772-3400.
What is Jennifer Mark's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Jennifer Mark enrolled in Medicare?
Yes. Jennifer Mark 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 organization bills Medicare for Jennifer Mark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mark reassigns Medicare benefits to Lake Spring Physician Services, LLC (Salem, VA). 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 Jennifer Mark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Mark accept?
Health plans from Oscar Health and Oscar Insurance Company list Jennifer Mark 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 Jennifer Mark affiliated with any hospitals?
According to CMS data, Jennifer Mark is affiliated with Lewisgale Medical Center.
When was this NPI record last updated?
The NPPES record for Jennifer Mark was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.
# Dr. Jennifer L Mark, M.D. · NPI 1558327676
Hospitalist physician in Salem, Virginia. Individual provider, active in the CMS NPPES registry since April 26, 2006.
## Identity
- **NPI:** 1558327676 (Entity type: Individual)
- **Enumerated:** April 26, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 2003013584 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1900 ELECTRIC RD, Salem, VA 24153-7474
- **Phone:** (540) 772-3400
## 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:** Lake Spring Physician Services, LLC (NPI 1568954287, Salem, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** August 28, 2026
- **Other identifiers:** Other P00403458; Medicaid 010407630 (VA); Other P00330094 (VA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1558327676) · Data from the CMS NPPES public registry.