Quick answers
- Does Douglas L. Sims Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas L. Sims Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Douglas L. Sims Jr. see?
- In 2024, CMS data shows 35 Original Medicare patients and 281 services for Douglas L. Sims Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Douglas L. Sims Jr.'s NPI number?
- 1245301720. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Douglas L. Sims Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 35 |
|---|---|
| Services billed to Medicare | 281 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Chiropractic manipulative treatment, 3-4 spinal regions (98941)165 services
- Chiropractic manipulative treatment, 1-2 spinal regions (98940)116 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure74%
- High cholesterol74%
- Arthritis57%
- Diabetes43%
Practice locations
Addresses where Douglas L. Sims Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 5600 Rivertech Ct, Suite GRiverdale, MD 20737 (301) 853‑7467
Group practices
Medicare enrollment lists Douglas L. Sims Jr. as a member of this group (CMS data updated October 2, 2026).
- Sims Integrative Medical Solutions2 clinicians in the group
Specialties
Other chiropractors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Chiropractic college | Life Chiropractic College |
| Graduation year | 2001 (25 years since chiropractic college) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245301720 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians