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

Sandra D Quartner, MD

Obstetrics & Gynecology Physician in Balto, MD · enumerated 2006.

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

National Provider Identifier

1639274517

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Registry record

Entity type Individual (Type 1)
Name Sandra D Quartner
Credential MD
Sex Female
Practice address Balto, MD, 21204
Phone (410) 339-3904
Fax (410) 825-4076
Enumeration date Sep 14, 2006
Last updated in NPPES Sep 3, 2010

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

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License D0019922 (MD) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

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Frequently asked questions

Is NPI 1639274517 active?
Yes, as of the latest NPPES snapshot, NPI 1639274517 is active (record last updated 2010-09-03).
How do I verify Sandra Quartner's NPI record?
Cross-check NPI 1639274517 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-03.