DR. JOHN PATRICK COLLINS D.O.
NPI 1821063165
Physical Medicine & Rehabilitation in Clarksville, MD
About Dr. John Patrick Collins D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN PATRICK COLLINS D.O. (NPI 1821063165) is an individual physical medicine & rehabilitation provider in Clarksville, Maryland, licensed in Maryland (H0044649) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Philadelphia College Of Osteopathic Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. John Patrick Collins D.o. 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 Reassignment
Medicare enrollment records show John Collins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clarksville, MD 21029
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Drs Collins & Twigg PC
- 2 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 18
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLARKSVILLE, MD 21029
CLARKSVILLE, MD 21029
CLARKSVILLE, MD 21029
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 John Collins's NPI number?
The NPI number for John Collins is 1821063165. It was assigned to this individual provider in the NPPES registry on February 21, 2006.
Where is John Collins located?
John Collins practices at 5005 Signal Bell Ln Suite 208, Clarksville, MD 21029. The listed phone number is (443) 535-9900.
What is John Collins's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is John Collins enrolled in Medicare?
Yes. John Collins 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 organization bills Medicare for John Collins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Collins reassigns Medicare benefits to Dr Twigg PC (Clarksville, MD). The 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 John Collins'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 John Collins was last updated on February 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.