DR. TIMOTHY ARENTSEN
NPI 1487804720
Psychologist - Clinical in Memphis, TN
About Dr. Timothy Arentsen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY ARENTSEN (NPI 1487804720) is an individual clinical provider in Memphis, Tennessee, licensed in Tennessee (3363) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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. Timothy Arentsen 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 Timothy Arentsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Memphis, TN 38120
- Reassigned Medicare billing, Tennessee enrollment
- 66 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEMPHIS, TN 38120
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 Timothy Arentsen's NPI number?
The NPI number for Timothy Arentsen is 1487804720. It was assigned to this individual provider in the NPPES registry on September 23, 2008.
Where is Timothy Arentsen located?
Timothy Arentsen practices at 6325 Humphreys Blvd, Memphis, TN 38120. The listed phone number is (901) 522-7700.
What is Timothy Arentsen's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Timothy Arentsen enrolled in Medicare?
Yes. Timothy Arentsen 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 Timothy Arentsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Arentsen reassigns Medicare benefits to Semmes-Murphey Clinic PC (Memphis, TN). 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 Timothy Arentsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Arentsen accept?
Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare and UnitedHealthcare list Timothy Arentsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Timothy Arentsen was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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. Timothy Arentsen · NPI 1487804720
Clinical provider in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since September 23, 2008.
## Identity
- **NPI:** 1487804720 (Entity type: Individual)
- **Enumerated:** September 23, 2008
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 3363 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 6325 HUMPHREYS BLVD, Memphis, TN 38120-2300
- **Phone:** (901) 522-7700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Semmes-Murphey Clinic PC (NPI 1477571891, Memphis, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** June 29, 2026
- **Other identifiers:** Medicaid Q079374 (TN)
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Source: [NPI Profile](https://npiprofile.com/npi/1487804720) · Data from the CMS NPPES public registry.