DR. ALEXANDER JOSEPH ERNEST JR. MD
NPI 1952387078
Urology in Hagerstown, MD
About Dr. Alexander Joseph Ernest Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER JOSEPH ERNEST JR. MD (NPI 1952387078) is an individual urology provider in Hagerstown, Maryland, licensed in Maryland (D0104566) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Meritus Medical Center, and maintains a secondary practice location in York.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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
Dr. Alexander Joseph Ernest Jr. 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 Alexander Ernest reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 242 clinicians in this Medicare group
Altoona, PA 16602
- Reassigned Medicare billing, Pennsylvania enrollment
- 338 clinicians in this Medicare group
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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 3
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.
Meritus Medical Center
Acute Care Hospitals · Hagerstown, MDWellspan York Hospital
Acute Care Hospitals · York, PAWellspan Waynesboro Hospital
Acute Care Hospitals · Waynesboro, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21742 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
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 Alexander Ernest's NPI number?
The NPI number for Alexander Ernest is 1952387078. It was assigned to this individual provider in the NPPES registry on December 20, 2005. The provider is also known as Dr. Alexander Joseph Ernest MD.
Where is Alexander Ernest located?
Alexander Ernest practices at 11110 Medical Campus Rd Ste 228, Hagerstown, MD 21742. The listed phone number is (301) 733-0022.
What is Alexander Ernest's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Alexander Ernest enrolled in Medicare?
Yes. Alexander Ernest 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 Alexander Ernest's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Ernest reassigns Medicare benefits to 3 organizations: Medical Practices Of Antietam LLC (Hagerstown, MD), Upmc Altoona Regional Health Services, Inc (Altoona, PA) and University Of Pittsburgh Physicians (Pittsburgh, PA). 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 Alexander Ernest's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Ernest accept?
Health plans from Blue Cross Blue Shield of North Dakota list Alexander Ernest 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 Alexander Ernest affiliated with any hospitals?
According to CMS data, Alexander Ernest is affiliated with Meritus Medical Center, Wellspan York Hospital and Wellspan Waynesboro Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Ernest was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Alexander Joseph Ernest Jr., MD · NPI 1952387078
Urology physician in Hagerstown, Maryland. Individual provider, active in the CMS NPPES registry since December 20, 2005.
## Identity
- **NPI:** 1952387078 (Entity type: Individual)
- **Enumerated:** December 20, 2005
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** D0104566 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 11110 MEDICAL CAMPUS RD STE 228, Hagerstown, MD 21742-6727
- **Phone:** (301) 733-0022 · **Fax:** (301) 760-7895
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Medical Practices Of Antietam LLC (NPI 1710854963, Hagerstown, MD); Upmc Altoona Regional Health Services, Inc (NPI 1396724217, Altoona, PA); University Of Pittsburgh Physicians (NPI 1407985674, Pittsburgh, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Eastern Virginia Medical School, class of 2004
## Record status
- **NPPES last updated:** March 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1952387078) · Data from the CMS NPPES public registry.