DR. ALEXANDER TIMOTHY CROSSETT MD
NPI 1538742952
Internal Medicine in Chattanooga, TN

Active since May 03, 2021PECOS EnrolledAccepts Medicare Assignment
2525 DESALES AVE, CHATTANOOGA, TN 37404(423) 495-2525 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2025, May 3, 2021 (2 updates tracked since 2021).

About Dr. Alexander Timothy Crossett Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER TIMOTHY CROSSETT MD (NPI 1538742952) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (71697) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Chi Memorial Hospital- Georgia, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2020).

NPPES Registry Identity

NPI1538742952
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDER TIMOTHY CROSSETTCredential: MD
Location Address2525 DESALES AVEChattanooga, TN 37404
Mailing Address2525 Desales AveChattanooga, TN 37404-1161 · (423) 495-6401
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2020
Enumeration DateMay 3, 2021
Last NPPES UpdateMay 8, 20252 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1538742952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TN · 71697✔ Licensed in MS · T-4468
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2525 DESALES AVE, Chattanooga, TN 37404

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. Alexander Timothy Crossett Md 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.

PECOS PAC ID3678964939
PECOS Enrollment IDI20241112002600
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexander Crossett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
5600 BRAINERD RD, SUITE 500
Chattanooga, TN 37411
  • Reassigned Medicare billing, Tennessee enrollment
  • 570 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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chi Memorial Hospital- Georgia

Acute Care Hospitals · Fort Oglethorpe, GA
OwnershipVoluntary non-profit - Private
CMS Certification Number110236
Location100 Gross Crescent CircleFort Oglethorpe, GA 30742 · Catoosa County
Emergency services

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440091
Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pharmacist
2525 DESALES AVE
CHATTANOOGA, TN 37404
Radiology (Diagnostic Radiology)
2525 DESALES AVE
CHATTANOOGA, TN 37404
Nurse Anesthetist, Certified Registered
2525 DESALES AVE
CHATTANOOGA, TN 37404
Nurse Anesthetist, Certified Registered
2525 DESALES AVE
CHATTANOOGA, TN 37404
Nurse Practitioner (Family)
2525 DESALES AVE
CHATTANOOGA, TN 37404
Clinical Exercise Physiologist
2525 DESALES AVE
CHATTANOOGA, TN 37404
Family Medicine
2525 DESALES AVE
CHATTANOOGA, TN 37404
Nurse Practitioner (Acute Care)
2525 DESALES AVE
CHATTANOOGA, TN 37404

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 Alexander Crossett's NPI number?

The NPI number for Alexander Crossett is 1538742952. It was assigned to this individual provider in the NPPES registry on May 3, 2021.

Where is Alexander Crossett located?

Alexander Crossett practices at 2525 Desales Ave, Chattanooga, TN 37404. The listed phone number is (423) 495-2525.

What is Alexander Crossett's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexander Crossett enrolled in Medicare?

Yes. Alexander Crossett 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 Alexander Crossett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Crossett reassigns Medicare benefits to Memorial Health Partners Foundation, Inc (Chattanooga, 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 Alexander Crossett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Crossett accept?

Health plans from Alliant Health Plans, Inc. list Alexander Crossett 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.

Is Alexander Crossett affiliated with any hospitals?

According to CMS data, Alexander Crossett is affiliated with Chi Memorial Hospital- Georgia and Memorial Healthcare System, Inc.

When was this NPI record last updated?

The NPPES record for Alexander Crossett was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.