Dr. Day S. Lennep
- Gender: Female
- Experience: 8 years
- Graduated from: University Of Mississippi School Of Medicine
- Graduation year: 2013
- Sole propriator: No
- NPI: 1538509955
Dr. Day S. Lennep M.D.
Rheumatologist
She is located at 2500 North State Street in Jackson, MS 39216. Can help patients with the following: Heart Disease, Muscle Pain, Osteoarthritis (OA), Peptic Ulcer, Tendinitis, Urinary Tract Infection (UTI). Her National Provider Identifier (NPI) number is 1538509955. Appointment can be made via the phone number (601) 984-5601. She is affiliated with 1 hospitals.
Conditions treated
Dr. Day Smith Lennep, being an rheumatologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Day S. Lennep.
- Abdominal Pain
- Acute Pain
- Amyloidosis
- Anemia
- Ankylosing Spondylitis
- Antiphospholipid Syndrome (APS)
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Bone Loss
- Bursitis
- Chest Pain
- Cholecystitis
- Chronic Fatigue Syndrome (CFS)
- Chronic Obstructive Pulmonary Disease (COPD)
- Claudication
- Collagen Vascular Disease (CVD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Erythema Nodosum
- Fever
- Fibromyalgia
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Gout
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hypermobility Syndrome
- Hyponatremia
- Influenza
- Inguinal Hernia
- Low Back Pain
- Lupus
- Migraine
- Muscle Pain
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Patellofemoral Pain Syndrome (PFS)
- Peptic Ulcer
- Polymyalgia Rheumatica (PMR)
- Polymyositis (PM)
- Porphyria
- Prescription Refill
- Psoriatic Arthritis
- Raynaud's Phenomenon
- Reactive Arthritis
- Rheumatoid Arthritis (RA)
- Sacroiliac Joint Pain
- Sarcoidosis
- Scleroderma
- Sjogren's Syndrome
- Spondylolysis
- Tendinitis
- Urethritis
- Urinary Tract Infection (UTI)
- Vasculitis
- Weber-Christian Disease
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Day S. Lennep as in-network for the following 2026 plans.
Health plans
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 15 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus + $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Value ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Value + ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage + ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Day S. Lennep is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Day S. Lennep is enrolled to bill Medicare as a Practitioner - Rheumatology .
Bills through: Mississippi Arthritis Clinic Pllc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Amgen | $563 |
| AbbVie | $354 |
| Janssen | $297 |
Other
| Food and Beverage | $2046 |
Studies
UNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated in 2013Additional Specialities
- Internist
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- Address: 2500 North State Street Jackson, 39216, MS
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- Address: 2500 North State Street Jackson, 39216, MS
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- Address: Suite 1157 971 Lakeland Drive Jackson, 39216, MS
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- Address: 2500 North State Street Jackson, 39216, MS
- Gender: Female
- Address: 2500 North State Street Jackson, 39216, MS
Questions & Answers
Where can you meet with Dr. Day Smith Lennep?
Dr. Day Smith Lennep's office is located at 2500 North State Street in Jackson, MS 39216.
What conditions does Dr. Day Smith Lennep treat?
Dr. Day Smith Lennep provides treatment for Heart Disease, Muscle Pain, Osteoarthritis (OA), Peptic Ulcer, Tendinitis, Urinary Tract Infection (UTI). For the full list see this list.
Has Dr. Day Smith Lennep affiliation with hospitals?
Dr. Day Smith Lennep is affiliated with UNIVERSITY OF MISSISSIPPI MED CENTER.
Does Dr. Day Smith Lennep accept insurance?
Dr. Day Smith Lennep is listed in-network for 15 ACA Marketplace (Obamacare/HealthCare.gov) plans from UnitedHealthcare. See the Marketplace plans section for details.