DR. DOUGLAS LEE SIMS JR. D.C.
NPI 1245301720
Chiropractor in Riverdale Park, MD
About Dr. Douglas Lee Sims Jr. D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOUGLAS LEE SIMS JR. D.C. (NPI 1245301720) is an individual chiropractor in Riverdale Park, Maryland, licensed in Maryland (S02036) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Life Chiropractic College (2001).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Douglas Lee Sims Jr. D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Douglas Sims reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverdale, MD 20737
- Reassigned Medicare billing, District of Columbia enrollment
Riverdale, MD 20737
- Reassigned Medicare billing, District of Columbia enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERDALE, MD 20737
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Douglas Sims's NPI number?
The NPI number for Douglas Sims is 1245301720. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Douglas Sims located?
Douglas Sims practices at 5600 Rivertech Ct Ste G, Riverdale Park, MD 20737. The listed phone number is (301) 853-7467.
What is Douglas Sims's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Douglas Sims enrolled in Medicare?
Yes. Douglas Sims is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Douglas Sims's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Sims reassigns Medicare benefits to 2 organizations: Sims Chiropractic Center, LLC (Riverdale, MD) and Sims Integrative Medical Solutions (Riverdale, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Douglas Sims's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Douglas Sims was last updated on September 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Douglas Lee Sims Jr., D.C. · NPI 1245301720
Chiropractor provider in Riverdale Park, Maryland. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1245301720 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** S02036 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5600 RIVERTECH CT STE G, Riverdale Park, MD 20737-1354
- **Phone:** (301) 853-7467 · **Fax:** (301) 853-7040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sims Chiropractic Center, LLC (NPI 1902169337, Riverdale, MD); Sims Integrative Medical Solutions (NPI 1568268936, Riverdale, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Life Chiropractic College, class of 2001
## Record status
- **NPPES last updated:** September 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1245301720) · Data from the CMS NPPES public registry.