Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Ralph E Waldo, MD
Psychiatry Physician in Carmel, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1760405963
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Registry record
Entity type Individual (Type 1)
Name Mr. Ralph E Waldo
Credential MD
Sex Male
Practice address 703 Pro-Med Ln, Suite 200, Carmel, IN, 46032
Phone (317) 843-9922
Fax (317) 581-3918
Enumeration date Jul 26, 2006
Last updated in NPPES May 6, 2008
Taxonomy & licenses
2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 71000700A (IN) Secondary
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 01057531A (IN) 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.
Frequently asked questions
Where does Ralph Waldo practice?
The practice location on file with NPPES is in Carmel, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ralph Waldo?
The National Provider Identifier (NPI) for Ralph Waldo is 1760405963, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Bruce Hinshaw Pharmacist · Carmel, IN NPI 1417930173 Danita Lively Child & Adolescent Psychiatry Physician · Carmel, IN NPI 1093799173 Michelle Rinzel Clinical Social Worker · Carmel, IN NPI 1922082809 James Shoot Psychiatry Physician · Carmel, IN NPI 1265416051 Carol Shoot Clinical Social Worker · Carmel, IN NPI 1881678670 Gregory Sipes Clinical Psychologist · Carmel, IN NPI 1760466569 Camille Sexton-Villalta Clinical Psychologist · Carmel, IN NPI 1639153455 Sanjay Mishra Child & Adolescent Psychiatry Physician · Carmel, IN NPI 1144204751
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-06.