DR. JANELLE MARIE MARTIN M.D.
NPI 1649484890
Emergency Medicine in Hagerstown, MD
About Dr. Janelle Marie Martin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JANELLE MARIE MARTIN M.D. (NPI 1649484890) is an individual emergency medicine provider in Hagerstown, Maryland, licensed in Maryland (D67763) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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. Janelle Marie Martin 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 Reassignments
14Medicare enrollment records show Janelle Martin reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hagerstown, MD 21740
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Frederick, MD 21702
- Reassigned Medicare billing, Maryland enrollment
- 270 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 91 clinicians in this Medicare group
Berkeley Springs, WV 25411
- Reassigned Medicare billing, West Virginia enrollment
- 158 clinicians in this Medicare group
Mc Connellsburg, PA 17233
- Reassigned Medicare billing, Pennsylvania enrollment
- 80 clinicians in this Medicare group
Winchester, VA 22603
- Reassigned Medicare billing, Virginia enrollment
- 756 clinicians in this Medicare group
Front Royal, VA 22630
- Reassigned Medicare billing, Virginia enrollment
- 367 clinicians in this Medicare group
Strasburg, VA 22657
- Reassigned Medicare billing, Virginia enrollment
- 416 clinicians in this Medicare group
Front Royal, VA 22630
- Reassigned Medicare billing, Virginia enrollment
- 364 clinicians in this Medicare group
Romney, WV 26757
- Reassigned Medicare billing, West Virginia enrollment
- 156 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Frederick Health Hospital
Acute Care Hospitals · Frederick, MDWinchester Medical Center
Acute Care Hospitals · Winchester, VAWarren Memorial Hospital
Acute Care Hospitals · Front Royal, VAShenandoah Memorial Hospital
Critical Access Hospitals · Woodstock, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21740 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HAGERSTOWN, MD 21740
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 Janelle Martin's NPI number?
The NPI number for Janelle Martin is 1649484890. It was assigned to this individual provider in the NPPES registry on May 9, 2007.
Where is Janelle Martin located?
Janelle Martin practices at 251 E Antietam St, Hagerstown, MD 21740. The listed phone number is (301) 790-8300.
What is Janelle Martin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Janelle Martin enrolled in Medicare?
Yes. Janelle Martin 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 Janelle Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janelle Martin reassigns Medicare benefits to 14 organizations: Wellspan Medical Group (Hagerstown, MD), Hospitalist Medicine Physicians Of Maryland PC (Frederick, MD), Hospitalist Medicine Physicians Of Maryland-Frederick PC (Frederick, MD), War Memorial Hospital, Inc. (Berkeley Springs, WV), Fulton County Medical Center (Mc Connellsburg, PA) and 9 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 Janelle Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Janelle Martin accept?
Health plans from CareSource list Janelle Martin 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 Janelle Martin affiliated with any hospitals?
According to CMS data, Janelle Martin is affiliated with Frederick Health Hospital, Winchester Medical Center, Warren Memorial Hospital and Shenandoah Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Janelle Martin was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Janelle Marie Martin, M.D. · NPI 1649484890
Emergency Medicine physician in Hagerstown, Maryland. Individual provider, active in the CMS NPPES registry since May 9, 2007.
## Identity
- **NPI:** 1649484890 (Entity type: Individual)
- **Enumerated:** May 9, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D67763 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 251 E ANTIETAM ST, Hagerstown, MD 21740-5724
- **Phone:** (301) 790-8300
## 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:** 14 organizations under Medicare reassignment (form CMS-855R): Wellspan Medical Group (NPI 1588249668, Hagerstown, MD); Hospitalist Medicine Physicians Of Maryland PC (NPI 1306644190, Frederick, MD); Hospitalist Medicine Physicians Of Maryland-Frederick PC (NPI 1093322257, Frederick, MD); War Memorial Hospital, Inc. (NPI 1467450353, Berkeley Springs, WV); Fulton County Medical Center (NPI 1326044694, Mc Connellsburg, PA); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** February 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649484890) · Data from the CMS NPPES public registry.