DR. HOLLEY LEONA DAVIS MD
NPI 1407198179
Internal Medicine in Chattanooga, TN

Q: What is Holley Davis's NPI number?

The NPI number for Holley Davis is 1407198179. It was assigned to this individual provider in the NPPES registry on March 20, 2013. The provider is also known as Dr. Holley Leona Green MD.

Q: What is Holley Davis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Holley Davis was last updated on September 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 20, 2013PECOS EnrolledAccepts Medicare Assignment

94.7/100

CMS Quality Rating

605 GLENWOOD DR STE 300, CHATTANOOGA, TN 37404(423) 495-2690(423) 495-2698 Get Directions Write a Review

NPPES record last updated: September 9, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2024, Nov 7, 2016 (2 updates tracked since 2016).

On this page

About Dr. Holley Leona Davis Md NPPES

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

DR. HOLLEY LEONA DAVIS MD (NPI 1407198179) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (57539) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with Chi Memorial Hospital- Georgia, and is a graduate of Tulane University School Of Medicine (2013).

NPPES Registry Identity

NPI1407198179

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. HOLLEY LEONA DAVISCredential: MD

Location Address605 GLENWOOD DR STE 300Chattanooga, TN 37404-1144

Mailing Address12101 Woodcrest Executive Dr, Suite 210Saint Louis, MO 63141-5047 · (314) 317-0600 · Fax (314) 317-0606

Phone(423) 495-2690

Fax(423) 495-2698

Sole ProprietorNo

Medical School CMSTulane University School Of MedicineGraduated 2013

Enumeration DateMarch 20, 2013

Last NPPES UpdateSeptember 9, 20242 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2024

✔ NPI 1407198179 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 · 57539

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.

Also ListedHospitalistTaxonomy 208M00000X · License 2016021070 (MO)

605 GLENWOOD DR STE 300, Chattanooga, TN 37404

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Other Names 1

Former Name (1)Dr. Holley Leona Green Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.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. Holley Leona Davis 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 ID6901109917

PECOS Enrollment IDI20180827000587

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 Holley Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Memorial Health Partners Foundation, Inc

3.3 mi

Internal Medicine

5600 BRAINERD RD, SUITE 500
Chattanooga, TN 37411

Reassigned Medicare billing, Tennessee enrollment
570 clinicians in this Medicare group

NPI 1922053545 (423) 495-6870

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 15

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

642 services241 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

515 services238 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

217 services198 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

192 services192 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

72 services43 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

60 services52 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

40 services40 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

39 services39 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

28 services27 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

24 services24 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

23 services19 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

18 services16 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

15 services15 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

15 services15 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

13 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Erlanger Medical Center

Acute Care Hospitals · Chattanooga, TN

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440104

Location975 E 3rd StChattanooga, TN 37403 · Hamilton County

Emergency services Birthing friendly

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.

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.

94.7/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

89.41

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

60%30 patients3/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers13 claims39 services$5.07 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. ELISE HELENE MARSHALL DO

Internal Medicine

605 GLENWOOD DR STE 300
CHATTANOOGA, TN 37404

Hamilton County (423) 495-2690

HANNAH ELAINE EDWARDS MD

Internal Medicine

605 GLENWOOD DR STE 300
CHATTANOOGA, TN 37404

Hamilton County (423) 495-2690

RACHEL DENBO LABOVITZ M.D.

Internal Medicine

605 GLENWOOD DR STE 300
CHATTANOOGA, TN 37404

Hamilton County (423) 495-2690

ROBERTA J RAKOWSKI NP

Nurse Practitioner

605 GLENWOOD DR STE 300
CHATTANOOGA, TN 37404

Hamilton County (423) 495-2620

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 Holley Davis's NPI number?

The NPI number for Holley Davis is 1407198179. It was assigned to this individual provider in the NPPES registry on March 20, 2013. The provider is also known as Dr. Holley Leona Green MD.

Where is Holley Davis located?

Holley Davis practices at 605 Glenwood Dr Ste 300, Chattanooga, TN 37404. The listed phone number is (423) 495-2690.

What is Holley Davis's specialty?

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

Is Holley Davis enrolled in Medicare?

Yes. Holley Davis 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 Holley Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Holley Davis 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 Holley Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Holley Davis accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Holley Davis 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 Holley Davis affiliated with any hospitals?

According to CMS data, Holley Davis is affiliated with Chi Memorial Hospital- Georgia, Memorial Healthcare System, Inc and Erlanger Medical Center.

When was this NPI record last updated?

The NPPES record for Holley Davis was last updated on September 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.