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ROSS FISCHER O.D.
NPI 1720173594
Optometrist in Baltimore, MD

Active since October 04, 2006
100 PARK AVE, BALTIMORE, MD 21201(410) 752-1677(410) 752-4435 Get Directions Write a Review

NPPES record last updated: March 21, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ross Fischer O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSS FISCHER O.D. (NPI 1720173594) is an individual optometrist in Baltimore, Maryland, licensed in Maryland (TA0685) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1720173594
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameROSS FISCHERCredential: O.D.
Location Address100 PARK AVEBaltimore, MD 21201-3416
Mailing Address100 Park AveBaltimore, MD 21201-3416 · (410) 752-1677 · Fax (410) 752-4435
Phone(410) 752-1677
Fax(410) 752-4435
Sole ProprietorNo
Enumeration DateOctober 4, 2006
Last NPPES UpdateMarch 21, 2008
✔ NPI 1720173594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in MD · TA0685
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
100 PARK AVE, Baltimore, MD 21201
Open in Google Maps ↗

Other Identifiers 5

Other686551MD · Bcbs
OtherS017-0005MD · Blue Choice
Medicare UPINU73626MD
Medicare PIN693L386DMD
Medicare NSC4091880004MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ross Fischer O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Ross Fischer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Barenburg Optical Service, Inc
Same address
Optometrist
100 PARK AVE
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 22 clinicians in this Medicare group
NPI 1639179112 (410) 752-1677

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BARENBURG OPTOMETRIC SERVICE, INC
Ophthalmology
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 752-1677
JONATHAN EKEDAHL MD
Ophthalmology
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 752-1677
BARENBURG OPTICAL SERVICE, INC
Ophthalmology
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 752-1677
DR. CLARKE STORROW NELSON M.D., PH.D.
Ophthalmology
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 752-1677
BARENBURG OPTICAL SERVICE, INC
Optometrist
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 752-1677
ANGELA MANTZAVINOS OD
Optometrist
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 727-0285
DR. MARK B GORDON O.D.
Optometrist
100 PARK AVE
BALTIMORE, MD 21201
Baltimore City (410) 752-1677

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 Ross Fischer's NPI number?

The NPI number for Ross Fischer is 1720173594. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Ross Fischer located?

Ross Fischer practices at 100 Park Ave, Baltimore, MD 21201. The listed phone number is (410) 752-1677.

What is Ross Fischer's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Ross Fischer enrolled in Medicare?

Yes. Ross Fischer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ross Fischer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ross Fischer reassigns Medicare benefits to Barenburg Optical Service, Inc (Baltimore, MD). 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 Ross 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 Ross Fischer was last updated on March 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.