Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mary S Feldman, DO
Neurology Physician in Dayton, OH · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003074691
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Registry record
Entity type Individual (Type 1)
Name Dr. Mary S Feldman
Credential DO
Sex Female
Practice address 30 E Apple St Ste 5254a, Dayton, OH, 45409
Phone (937) 208-4200
Fax (937) 208-4205
Enumeration date May 30, 2008
Last updated in NPPES Oct 30, 2019
Taxonomy & licenses
2084A2900X Neurocritical Care Physician Allopathic & Osteopathic Physicians · License 16666 (NH) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 102380162 | Medicaid | PA | - |
| 0217667 | Medicaid | OH | - |
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
Is NPI 1003074691 active?
Yes, as of the latest NPPES snapshot, NPI 1003074691 is active (record last updated 2019-10-30).
How do I verify Mary Feldman's NPI record?
Cross-check NPI 1003074691 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-30.