ERNEST FISCHER M.D.
NPI 1518284355
Hospitalist in Washington, DC
About Ernest Fischer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERNEST FISCHER M.D. (NPI 1518284355) is an individual hospitalist provider in Washington, District Of Columbia, licensed in District Of Columbia (MD042201) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2010).
NPPES Registry Identity
Specialties & Licenses
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
Ernest Fischer 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
4Medicare enrollment records show Ernest Fischer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Wheaton, MD 20902
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 309 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20007 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Ernest Fischer's NPI number?
The NPI number for Ernest Fischer is 1518284355. It was assigned to this individual provider in the NPPES registry on May 3, 2010.
Where is Ernest Fischer located?
Ernest Fischer practices at 3700 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-3976.
What is Ernest Fischer's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ernest Fischer enrolled in Medicare?
Yes. Ernest Fischer 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 Ernest Fischer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernest Fischer reassigns Medicare benefits to 4 organizations: Medstar Medical Group II LLC (Washington, DC), Mgmc LLC (Washington, DC), Children's Hospital (Washington, DC) and Medstar Urgent Care, LLC (Wheaton, MD). 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 Ernest Fischer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ernest Fischer was last updated on August 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ernest Fischer, M.D. · NPI 1518284355
Hospitalist physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since May 3, 2010.
## Identity
- **NPI:** 1518284355 (Entity type: Individual)
- **Enumerated:** May 3, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD042201 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3700 RESERVOIR RD NW, Washington, DC 20007-2111
- **Phone:** (202) 444-3976
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC); Children's Hospital (NPI 1780800128, Washington, DC); Medstar Urgent Care, LLC (NPI 1871843409, Wheaton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2010
## Record status
- **NPPES last updated:** August 4, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1518284355) · Data from the CMS NPPES public registry.