Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ross Fischer, O.D.
Optometrist in Baltimore, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720173594
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Registry record
Entity type Individual (Type 1)
Name Ross Fischer
Credential O.D.
Sex Male
Practice address 100 Park Ave, Baltimore, MD, 21201
Phone (410) 752-1677
Fax (410) 752-4435
Enumeration date Oct 4, 2006
Last updated in NPPES Mar 21, 2008
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| S017-0005 | Other | MD | BLUE CHOICE |
| 686551 | Other | MD | BCBS |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Ross Fischer?
The National Provider Identifier (NPI) for Ross Fischer is 1720173594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ross Fischer practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Barenburg Optical Service, Inc Optometrist · Baltimore, MD NPI 1639179112 Mark Gordon Optometrist · Baltimore, MD NPI 1821028382 Jonathan Ekedahl Ophthalmology Physician · Baltimore, MD NPI 1174781686 Barenburg Optometric Service, Inc Ophthalmology Physician · Baltimore, MD NPI 1073858759 Clarke Nelson Ophthalmology Physician · Baltimore, MD NPI 1558894923 Angela Mantzavinos Optometrist · Baltimore, MD NPI 1740971787 Barenburg Optical Service, Inc Ophthalmology Physician · Baltimore, MD NPI 1376381608
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-21.