Active NPI 1609865088 Individual Practitioner Male Practitioner

Dr. Eugene H Ryan , MD

Internal Medicine • Chattanooga, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Eugene Ryan, MD is a certified Internal Medicine practicing in Chattanooga, TN. With approximately 36 years of clinical experience since graduating from Medical College Of Georgia School Of Medicine in 1990, Dr. Ryan delivers high-quality medical care to the local community at 2205 MCCALLIE AVE.

Dr. Ryan is affiliated with Hospital Medicine Services Of Tn Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2205 Mccallie Ave

Chattanooga, TN 374043230

Telephone 4236982435

Fax 4236976110

Associated Practice Facility / Clinic

🏢 Diagnostic Center Facility NPI 1649269366

Medicare Profile & Education

Medical School

Medical College Of Georgia School Of Medicine

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chattanooga, TN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +12.5 yrs vs City Avg

City Avg: 23.5 Yrs

State Avg: 28.4 Yrs

Regional Practice Density

199 Specialists

Practicing in Chattanooga, TN (2716 Statewide)

Telehealth Adoption Rate

11.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ryan (36 Years) 36 Yrs

Chattanooga Specialty Average (23.5 Years) 23.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	313	240	$197.00	$117.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	170	94	$398.00	$73.14
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	138	85	$572.00	$110.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	102	102	$312.00	$119.72
99239 Hospital discharge day management, more than 30 minutes	63	63	$592.00	$106.13
99213 Established patient office or other outpatient visit, typically 15 minutes	57	45	$133.00	$83.62
71046 X-ray of chest, 2 views	45	42	$85.00	$21.12
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	39	20	$67.00	$13.13
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	31	$1107.00	$161.02
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	26	$265.00	$166.36
81003 Automated urinalysis test	25	17	$10.00	$2.20
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	21	21	$53.00	$14.66
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$57.00	$12.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	536	289	$197.00	$119.40
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	242	242	$312.00	$122.06
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	133	87	$357.67	$74.87
99213 Established patient office or other outpatient visit, typically 15 minutes	98	81	$133.00	$84.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	89	38	$67.00	$13.24
J1100 Injection, dexamethasone sodium phosphate, 1 mg	77	20	$1.00	$0.12
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	59	45	$532.17	$112.88
71046 X-ray of chest, 2 views	58	55	$85.00	$21.46
81003 Automated urinalysis test	50	31	$10.00	$2.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	39	$265.00	$165.75
J0696 Injection, ceftriaxone sodium, per 250 mg	41	18	$13.00	$0.52
G0008 Administration of influenza virus vaccine	40	40	$67.00	$28.44
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	35	35	$183.00	$75.81
99239 Hospital discharge day management, more than 30 minutes	20	20	$552.40	$108.22
J1040 Injection, methylprednisolone acetate, 80 mg	20	20	$25.00	$11.68
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$428.00	$156.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	588	301	$197.00	$121.26
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	234	147	$337.00	$97.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	231	231	$312.00	$124.39
99213 Established patient office or other outpatient visit, typically 15 minutes	91	77	$133.00	$84.63
J1100 Injection, dexamethasone sodium phosphate, 1 mg	84	20	$1.00	$0.12
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	81	42	$67.00	$13.50
G0008 Administration of influenza virus vaccine	54	53	$67.00	$27.19
71046 X-ray of chest, 2 views	52	49	$85.00	$21.61
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	51	50	$183.00	$69.95
81003 Automated urinalysis test	41	32	$10.00	$2.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	30	$265.00	$166.58
99239 Hospital discharge day management, more than 30 minutes	28	28	$328.00	$99.48
J0696 Injection, ceftriaxone sodium, per 250 mg	23	15	$13.00	$0.49
J1040 Injection, methylprednisolone acetate, 80 mg	21	20	$25.00	$10.95
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$57.00	$13.34
G0180 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	14	12	$153.00	$49.94
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$428.00	$157.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	633	310	$197.00	$122.77
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	243	243	$312.00	$126.86
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	230	139	$337.00	$97.71
71046 X-ray of chest, 2 views	100	93	$74.15	$21.60
99213 Established patient office or other outpatient visit, typically 15 minutes	92	77	$133.00	$86.95
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	81	34	$67.00	$13.44
J1100 Injection, dexamethasone sodium phosphate, 1 mg	68	15	$1.00	$0.15
G0008 Administration of influenza virus vaccine	46	45	$67.00	$15.75
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	43	11	$7.00	$2.00
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	36	36	$183.00	$66.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	25	$249.00	$67.96
77080 Dxa bone density measurement of hip, pelvis, spine	27	27	$183.74	$25.96
93000 Routine ekg using at least 12 leads including interpretation and report	27	25	$57.00	$13.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	23	$265.00	$173.25
99239 Hospital discharge day management, more than 30 minutes	23	23	$328.00	$100.28
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	18	18	$428.00	$161.82
J1040 Injection, methylprednisolone acetate, 80 mg	17	15	$25.00	$10.61
J0696 Injection, ceftriaxone sodium, per 250 mg	17	12	$13.00	$0.53
G0180 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	15	14	$153.00	$50.11
G0179 Physician re-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 to affirm the initial imp	14	11	$116.00	$38.65
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	13	13	$57.00	$13.81
G0009 Administration of pneumococcal vaccine	13	13	$67.00	$15.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$598.00	$189.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	537	303	$197.00	$103.25
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	240	240	$312.00	$110.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	164	113	$337.00	$99.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	112	80	$249.00	$69.82
99213 Established patient office or other outpatient visit, typically 15 minutes	102	86	$133.00	$70.19
J1100 Injection, dexamethasone sodium phosphate, 1 mg	68	14	$1.00	$0.12
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	67	28	$67.00	$13.34
71046 X-ray of chest, 2 views	61	58	$79.92	$19.77
G0008 Administration of influenza virus vaccine	35	35	$67.00	$15.70
90662 Influenza vaccine split virus, preservative free	33	33	$93.00	$60.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	26	$265.00	$140.09
G0180 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	29	25	$153.00	$50.83
77080 Dxa bone density measurement of hip, pelvis, spine	28	28	$116.93	$19.42
99239 Hospital discharge day management, more than 30 minutes	23	23	$328.00	$102.80
G0009 Administration of pneumococcal vaccine	19	19	$67.00	$15.68
J1040 Injection, methylprednisolone acetate, 80 mg	16	13	$25.00	$10.82
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$57.00	$16.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	639	320	$197.00	$102.60
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	227	227	$312.00	$110.03
99213 Established patient office or other outpatient visit, typically 15 minutes	146	110	$133.00	$69.02
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	101	40	$67.00	$15.71
J1100 Injection, dexamethasone sodium phosphate, 1 mg	76	16	$1.00	$0.12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	69	55	$249.00	$70.09
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	63	12	$7.00	$1.80
G0008 Administration of influenza virus vaccine	53	53	$67.00	$15.42
90662 Influenza vaccine split virus, preservative free	52	52	$93.00	$54.64
71046 X-ray of chest, 2 views	44	44	$83.59	$18.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	38	33	$337.00	$100.25
G0180 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	37	34	$153.00	$50.36
69210 Removal of impacted ear wax	36	31	$143.00	$44.69
77080 Dxa bone density measurement of hip, pelvis, spine	23	23	$220.61	$31.12
J0696 Injection, ceftriaxone sodium, per 250 mg	19	15	$13.00	$0.53
G0179 Physician re-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 to affirm the initial imp	17	11	$116.00	$38.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	15	$265.00	$138.45
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$57.00	$15.91
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$428.00	$158.68
G0009 Administration of pneumococcal vaccine	13	13	$67.00	$15.42
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	12	12	$57.00	$15.91
99239 Hospital discharge day management, more than 30 minutes	11	11	$328.00	$103.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	648	319	$197.00	$99.52
99213 Established patient office or other outpatient visit, typically 15 minutes	246	169	$133.00	$67.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	219	219	$312.00	$109.00
85610 Blood test, clotting time	185	14	$17.00	$4.75
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	117	43	$67.00	$18.92
J1100 Injection, dexamethasone sodium phosphate, 1 mg	84	18	$1.00	$0.11
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	74	13	$7.00	$1.96
71046 X-ray of chest, 2 views	72	67	$84.14	$18.24
G0008 Administration of influenza virus vaccine	61	60	$67.00	$18.89
90662 Influenza vaccine split virus, preservative free	57	57	$93.00	$52.15
93000 Routine ekg using at least 12 leads including interpretation and report	33	32	$57.00	$15.74
69210 Removal of impacted ear wax	24	20	$143.00	$44.89
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	19	$265.00	$130.44
J1030 Injection, methylprednisolone acetate, 40 mg	18	16	$10.00	$6.38
J0696 Injection, ceftriaxone sodium, per 250 mg	15	13	$13.00	$0.61
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$428.00	$156.54
36415 Insertion of needle into vein for collection of blood sample	15	14	$9.00	$1.96
G0180 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	15	12	$153.00	$50.25
90670 Pneumococcal vaccine for injection into muscle	12	12	$388.00	$197.96
G0009 Administration of pneumococcal vaccine	12	12	$67.00	$18.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	692	327	$9.00	$2.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	636	304	$197.00	$99.50
80053 Blood test, comprehensive group of blood chemicals	607	320	$37.00	$8.10
80061 Blood test, lipids (cholesterol and triglycerides)	529	291	$57.00	$11.69
82550 Creatine kinase (cardiac enzyme) level, total	460	257	$28.00	$5.57
84443 Blood test, thyroid stimulating hormone (TSH)	350	259	$71.00	$22.41
84439 Thyroxine (thyroid chemical), free	350	259	$39.00	$12.02
99213 Established patient office or other outpatient visit, typically 15 minutes	307	203	$133.00	$68.21
83735 Magnesium level	223	143	$29.00	$8.93
83036 Hemoglobin A1C level	218	113	$41.00	$12.95
85610 Blood test, clotting time	203	18	$17.00	$5.28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	178	178	$312.00	$107.78
81003 Automated urinalysis test	148	105	$10.00	$2.98
81001 Manual urinalysis test with examination using microscope, automated	138	98	$14.00	$4.23
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	127	101	$33.00	$10.38
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	101	41	$67.00	$23.41
71020 X-ray of chest, 2 views, front and side	101	92	$90.00	$15.21
G0008 Administration of influenza virus vaccine	72	72	$67.00	$23.26
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	64	11	$7.00	$3.04
93000 Routine ekg using at least 12 leads including interpretation and report	50	47	$57.00	$15.66
84550 Uric acid level, blood	46	33	$20.00	$3.65
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	39	39	$59.00	$18.17
83540 Iron level	37	27	$28.00	$8.51
83550 Iron binding capacity	37	27	$37.00	$11.50
82607 Cyanocobalamin (vitamin B-12) level	34	28	$64.00	$20.27
90662 Influenza vaccine split virus, preservative free	33	33	$93.00	$46.59
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay	32	32	$68.00	$21.38
80048 Blood test, basic group of blood chemicals (calcium, total)	32	27	$30.00	$9.09
82728 Ferritin (blood protein) level	32	23	$58.00	$17.87
G0103 Prostate cancer screening; prostate specific antigen test (psa)	27	27	$78.00	$24.73
69210 Removal of impacted ear wax	25	20	$143.00	$45.55
J1040 Injection, methylprednisolone acetate, 80 mg	23	21	$25.00	$10.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	22	11	$135.00	$68.56
G0180 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	21	19	$153.00	$50.02
82746 Folic acid level	20	19	$63.00	$19.77
84153 Psa (prostate specific antigen) measurement, total	19	18	$78.00	$24.73
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	16	16	$428.00	$154.37
77080 Dxa bone density measurement of hip, pelvis, spine	16	16	$273.00	$36.55
99238 Hospital discharge day management, 30 minutes or less	15	13	$134.00	$68.62
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	12	12	$57.00	$15.08

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TN 28488

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

38053671 (TN)

Hospital & Practice Group Affiliations

Hospital Medicine Services Of Tn Llc

941 Spring Creek Rd, Chattanooga, TN 374123909

Phone: 4238947870

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

17 Associated Practitioners

Angelia Winton , FNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1023345352

Family Nurse Practitioner

Dr. Charles Crump , MD

Internal Medicine

NPI 1093704744

Doctor of Medicine (M.D.)

Cynthia Cross , APN

Nurse Practitioner

NPI 1184120677

Advanced Practice Nurse

Dr. Mark Bonnell , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1215123450

Doctor of Medicine (M.D.)

Jared Penner

Nurse Practitioner - Psychiatric/Mental Health

NPI 1235817529

Marissa Hensley

Nurse Practitioner - Psychiatric/Mental Health

NPI 1235887340

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location February 10, 2022

Registered at 2205 MCCALLIE AVE, CHATTANOOGA, TN 374043230 (Tel: 4236982435)

📍

Updated Business Mailing Address February 10, 2022

Registered at 2205 MCCALLIE AVE, CHATTANOOGA, TN 374043230 (Tel: 4236982435)

✅

NPI Profile Active December 15, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location December 15, 2007

Registered at 2205 MCCALLIE AVE, CHATTANOOGA, TN 374043323 (Tel: 4236982435)

📍

Updated Business Mailing Address December 15, 2007

Registered at 2205 MCCALLIE AVE, CHATTANOOGA, TN 374043323 (Tel: 4236982435)

👤

Provider Name / Credentials Updated December 15, 2007

Recorded as EUGENE RYAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 15, 2007

Internal Medicine (License #28488 in TN)

🟢

Initial NPI Registration & Enumeration October 18, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1609865088

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 18, 2005

Last Update: February 10, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2205 Mccallie Ave

Chattanooga, TN 374043230

Phone: 4236982435

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

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