LARISSA CHRISTINA WOLF
NPI 1639798648
Internal Medicine in Chattanooga, TN

Active since April 09, 2020PECOS EnrolledAccepts Medicare Assignment
975 E 3RD ST, CHATTANOOGA, TN 37403(423) 778-7817 Get Directions Write a Review

NPPES record last updated: July 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 6, 2023, Apr 9, 2020 (2 updates tracked since 2020).

About Larissa Christina Wolf NPPES

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

LARISSA CHRISTINA WOLF (NPI 1639798648) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (0000067695) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Tristar Southern Hills Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1639798648
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLARISSA CHRISTINA WOLF
Location Address975 E 3RD STChattanooga, TN 37403-2147
Mailing Address975 E 3rd St., Hospital Box 112Chattanooga, TN 37403-2147
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 9, 2020
Last NPPES UpdateJuly 6, 20232 updates tracked since enumeration
NPPES CertifiedJuly 6, 2023
✔ NPI 1639798648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 0000067695
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.
975 E 3RD ST, Chattanooga, TN 37403

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

Larissa Christina Wolf 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 ID8224483359
PECOS Enrollment IDI20231010002679
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 Reassignments

2

Medicare enrollment records show Larissa Wolf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
979 E 3RD ST STE A440
Chattanooga, TN 37403
  • Reassigned Medicare billing, Tennessee enrollment
  • 679 clinicians in this Medicare group
Hospitalist
2300 PATTERSON ST
Nashville, TN 37203
  • Reassigned Medicare billing, Tennessee enrollment
  • 420 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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
142 services56 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
100 services42 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
46 services44 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services21 patients

Hospital Affiliations CMS Care Compare

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

Tristar Southern Hills Medical Center

Acute Care Hospitals · Nashville, TN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number440197
Location391 Wallace RdNashville, TN 37211 · Davidson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37403 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.

Nurse Anesthetist, Certified Registered
975 E 3RD ST
CHATTANOOGA, TN 37403
Internal Medicine (Hematology & Oncology)
975 E 3RD ST, ERLINGER MEDICAL CENTER
CHATTANOOGA, TN 37403
Hospitalist
975 E 3RD ST
CHATTANOOGA, TN 37403
Psychiatry & Neurology (Psychiatry)
975 E 3RD ST
CHATTANOOGA, TN 37403
Internal Medicine
975 E 3RD ST
CHATTANOOGA, TN 37403
Nurse Anesthetist, Certified Registered
975 E 3RD ST
CHATTANOOGA, TN 37403
Social Worker (Clinical)
975 E 3RD ST
CHATTANOOGA, TN 37403
Anesthesiology
975 E 3RD ST
CHATTANOOGA, TN 37403

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 Larissa Wolf's NPI number?

The NPI number for Larissa Wolf is 1639798648. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Where is Larissa Wolf located?

Larissa Wolf practices at 975 E 3rd St, Chattanooga, TN 37403. The listed phone number is (423) 778-7817.

What is Larissa Wolf's specialty?

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

Is Larissa Wolf enrolled in Medicare?

Yes. Larissa Wolf 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 Larissa Wolf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larissa Wolf reassigns Medicare benefits to 2 organizations: Erlanger Health (Chattanooga, TN) and Hospital Medicine Services Of Tn, LLC (Nashville, TN). 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 Larissa Wolf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larissa Wolf accept?

Health plans from Oscar Insurance Company list Larissa Wolf 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 Larissa Wolf affiliated with any hospitals?

According to CMS data, Larissa Wolf is affiliated with Tristar Southern Hills Medical Center.

When was this NPI record last updated?

The NPPES record for Larissa Wolf was last updated on July 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.