Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Douglas Lee Sims Jr., D.C.
Chiropractor in Riverdale Park, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245301720
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Registry record
Entity type Individual (Type 1)
Name Dr. Douglas Lee Sims Jr.
Credential D.C.
Sex Male
Practice address 5600 Rivertech Ct Ste G, Riverdale Park, MD, 20737
Phone (301) 853-7467
Fax (301) 853-7040
Enumeration date Nov 13, 2006
Last updated in NPPES Sep 20, 2024
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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
What is the NPI number for Douglas Sims?
The National Provider Identifier (NPI) for Douglas Sims is 1245301720, a Type 1 (individual) record in the CMS NPPES registry.
Where does Douglas Sims practice?
The practice location on file with NPPES is in Riverdale Park, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Vernicia Edmond Family Nurse Practitioner · Riverdale, MD NPI 1568909570 Vermel Healthcare Solutions LLC Family Nurse Practitioner · Riverdale, MD NPI 1821635236 Harry Fleurant Chiropractor · Riverdale, MD NPI 1649991951 Monique Julien Rehabilitation Chiropractor · Riverdale Park, MD NPI 1013760446 Maicare Consulting, LLC Health Service Clinic/Center · Riverdale, MD NPI 1609684224 Sims Integrative Medical Solutions General Practice Physician · Riverdale, MD NPI 1568268936
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-20.