Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Tracy Ann Haertling, D.O.

Pediatric Hematology & Oncology Physician in South Bend, IN · enumerated 2007.

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

National Provider Identifier

1821288333

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Registry record

Entity type Individual (Type 1)

Name Dr. Tracy Ann Haertling

Credential D.O.

Sex Female

Practice address 615 N Michigan St, 6 East, South Bend, IN, 46601

Phone (574) 647-6892

Fax (574) 647-6895

Enumeration date Jul 31, 2007

Last updated in NPPES Mar 16, 2016

Taxonomy & licenses

2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 036123303 (IL) Secondary

2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 02004056A (IN) Primary

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
000000781399	Other	IN	BCBS MEMORIAL CHILDRENS HOSPITAL
201085280	Medicaid	IN	-

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

Where does Tracy Haertling practice?

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

What is the NPI number for Tracy Haertling?

The National Provider Identifier (NPI) for Tracy Haertling is 1821288333, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-16.