EUGENE H RYAN MD
NPI 1609865088
Internal Medicine in Chattanooga, TN

Q: What is Eugene Ryan's NPI number?

The NPI number for Eugene Ryan is 1609865088. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Q: What is Eugene Ryan'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 Eugene Ryan was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 October 18, 2005PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

2205 MCCALLIE AVE, CHATTANOOGA, TN 37404(423) 698-2435(423) 697-6110 Get Directions Write a Review

NPPES record last updated: February 10, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Eugene H Ryan Md NPPES

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

EUGENE H RYAN MD (NPI 1609865088) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (28488) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare System, Inc, and is a graduate of Medical College Of Georgia School Of Medicine (1990).

NPPES Registry Identity

NPI1609865088

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameEUGENE H RYANCredential: MD

Location Address2205 MCCALLIE AVEChattanooga, TN 37404-3230

Mailing Address2205 Mccallie AveChattanooga, TN 37404-3230 · (423) 698-2435 · Fax (423) 697-6110

Phone(423) 698-2435

Fax(423) 697-6110

Sole ProprietorNo

Medical School CMSMedical College Of Georgia School Of MedicineGraduated 1990

Enumeration DateOctober 18, 2005

Last NPPES UpdateFebruary 10, 2022

✔ NPI 1609865088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TN · 28488

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.

2205 MCCALLIE AVE, Chattanooga, TN 37404

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Other Identifiers 1

Medicaid38053671TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eugene H Ryan 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 ID3274627344

PECOS Enrollment IDI20070919001016

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.

Areas of Expertise CMS Part B claims 12

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.

313 services240 patients

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.

170 services94 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.

138 services85 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.

102 services102 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

63 services63 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

57 services45 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.

45 services42 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

39 services20 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.

31 services31 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

27 services26 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.

25 services17 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.

15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

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

Parkridge Medical Center

Acute Care Hospitals · Chattanooga, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440156

Location2333 Mccallie AveChattanooga, TN 37404 · Hamilton County

Emergency services

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.

100/100

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

Individually scored

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

e-Prescribing

94%1,904 patients2/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%500 patients5/55-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 5

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

19 suppliers47 claims120 services$5.82 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

11 suppliers21 claims28 services$1.08 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

2 suppliers11 claims11 services$43.97 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers13 claims13 services$15.67 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers14 claims14 services$74.27 avg. paid by Medicare

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

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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.

MRS. ANGELIA D WINTON FNP

Nurse Practitioner (Psychiatric/Mental Health)

2205 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 698-2435

DR. ANDREW B RITTENBERRY M.D.

Specialist

2205 MCCALLIE AVE, STE 102
CHATTANOOGA, TN 37404

Hamilton County (423) 624-6993

CHARLES A CRUMP JR. MD

Internal Medicine

2205 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 698-2435

DR. MICHAEL CHRISTIAN ALLAN MD

Internal Medicine (Clinical Cardiac Electrophysiology)

2205 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 508-6733

CHATTANOOGA BONE AND JOINT SURGEONS PC

Specialist

2205 MCCALLIE AVE, SUITE 102
CHATTANOOGA, TN 37404

Hamilton County (423) 893-9020

MARK R. BONNELL M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

2205 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 698-2435

DR. MATTHEW EVERT WIISANEN MD

Internal Medicine (Interventional Cardiology)

2205 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 508-6733

JARED SHELDON PENNER

Nurse Practitioner (Psychiatric/Mental Health)

2205 MCCALLIE AVE
CHATTANOOGA, TN 37404

Hamilton County (423) 698-2435

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 Eugene Ryan's NPI number?

The NPI number for Eugene Ryan is 1609865088. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Where is Eugene Ryan located?

Eugene Ryan practices at 2205 Mccallie Ave, Chattanooga, TN 37404. The listed phone number is (423) 698-2435.

What is Eugene Ryan's specialty?

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

Is Eugene Ryan enrolled in Medicare?

Yes. Eugene Ryan 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.

What insurance does Eugene Ryan accept?

Health plans from Oscar Insurance Company list Eugene Ryan 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 Eugene Ryan affiliated with any hospitals?

According to CMS data, Eugene Ryan is affiliated with Memorial Healthcare System, Inc and Parkridge Medical Center.

When was this NPI record last updated?

The NPPES record for Eugene Ryan was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.