Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John S Graves, MD
Psychiatry Physician in Denver, CO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679634927
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Registry record
Entity type Individual (Type 1)
Name Dr. John S Graves
Credential MD
Sex Male
Practice address 4770 E Iliff Ave, #228, Denver, CO, 80222
Phone (303) 758-5520
Fax (303) 758-5521
Enumeration date Dec 12, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 01177195 | Medicaid | CO | - |
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 John Graves practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Graves?
The National Provider Identifier (NPI) for John Graves is 1679634927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Erwin Mozer Psychiatry Physician · Denver, CO NPI 1851381610 Dan Manzanares Clinical Psychologist · Denver, CO NPI 1013922590 Leonard H Kapelovitz MD PC Psychiatry Physician · Denver, CO NPI 1164533022 Jones & Chao PC Clinical Psychologist · Denver, CO NPI 1477665495 Christine Chao Clinical Psychologist · Denver, CO NPI 1801908827 Janice Thurn Psychologist · Denver, CO NPI 1437235876 Kim Schurman Psychiatry Physician · Denver, CO NPI 1679645998 Martinez & Martinez, P.C. Psychologist · Denver, CO NPI 1932269214
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.