Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Tracey Hering, O.D.

Optometrist in Rockville, MD · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1245542984

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Registry record

Entity type Individual (Type 1)

Name Dr. Tracey Hering

Credential O.D.

Sex Female

Practice address Rockville, MD, 20852

Phone (301) 770-7780

Enumeration date Jul 10, 2010

Last updated in NPPES Jul 10, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License TA2164 (MD) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Tracey Hering?

The National Provider Identifier (NPI) for Tracey Hering is 1245542984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tracey Hering practice?

The practice location on file with NPPES is in Rockville, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Angela Grillo Optometrist · Rockville, MD NPI 1245337583

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-10.