Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Heather Lyn Dyer, MD

Hospitalist Physician in Dayton, OH · enumerated 2006.

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

National Provider Identifier

1568411932

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Registry record

Entity type Individual (Type 1)

Name Dr. Heather Lyn Dyer

Credential MD

Sex Female

Practice address 1 Childrens Plz, Dayton, OH, 45404

Phone (937) 641-3000

Enumeration date May 10, 2006

Last updated in NPPES May 21, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 35129689 (OH) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 35129689 (OH) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0188905	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Heather Dyer?

Heather Dyer is registered in NPPES with the primary taxonomy of Hospitalist Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-21.