Active NPI 1467452425 Individual Practitioner Female Practitioner

Dr. Nancy G. Michaelis , MD

Internal Medicine • Chattanooga, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nancy Michaelis, MD is a certified Internal Medicine practicing in Chattanooga, TN. With approximately 36 years of clinical experience since graduating from Louisiana State University School Of Medicine In New Orleans in 1990, Dr. Michaelis delivers high-quality medical care to the local community at 975 EAST THIRD STREET.

Dr. Michaelis is affiliated with Memorial Health Partners Foundation, Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, critical care, first, advance care planning, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

975 East Third Street

Chattanooga, TN 37403

Telephone 4232661490

Fax 4237782108

Associated Practice Facility / Clinic

🏢 University Hospitalists Of Chattanooga Pllc Facility NPI 1982624441

Medicare Profile & Education

Medical School

Louisiana State University School Of Medicine In New Orleans

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

57.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Michaelis (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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	258	253	$414.00	$160.16
99291 Critical care, first 30-74 minutes	38	37	$433.00	$196.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	315	309	$412.74	$163.04
99291 Critical care, first 30-74 minutes	79	78	$433.00	$201.50
99497 Advance care planning, first 30 minutes	13	13	$163.00	$71.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	209	208	$358.11	$185.61
99220 Hospital observation care, typically 70 minutes	103	100	$352.28	$167.36
99291 Critical care, first 30-74 minutes	64	62	$433.00	$205.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	210	203	$351.00	$190.08
99220 Hospital observation care, typically 70 minutes	147	145	$351.00	$170.72
99291 Critical care, first 30-74 minutes	30	30	$433.00	$209.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	270	263	$351.00	$195.24
99220 Hospital observation care, typically 70 minutes	187	184	$351.00	$180.32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	32	20	$131.00	$71.38
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	15	15	$385.00	$212.41
99291 Critical care, first 30-74 minutes	13	13	$433.00	$216.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	304	298	$363.40	$192.65
99220 Hospital observation care, typically 70 minutes	209	208	$362.26	$176.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	21	$197.32	$69.11
99291 Critical care, first 30-74 minutes	29	28	$433.00	$213.15
99239 Hospital discharge day management, more than 30 minutes	24	24	$299.00	$101.60
99217 Hospital observation care on day of discharge	24	24	$202.00	$69.19
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	18	18	$385.00	$208.73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	14	$279.47	$98.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	357	348	$372.31	$192.14
99220 Hospital observation care, typically 70 minutes	188	187	$359.75	$176.33
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	86	52	$186.79	$67.56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	56	39	$276.25	$97.93
99239 Hospital discharge day management, more than 30 minutes	42	38	$278.38	$100.62
99217 Hospital observation care on day of discharge	36	35	$190.47	$69.36
99291 Critical care, first 30-74 minutes	28	27	$446.75	$211.54
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	25	25	$392.76	$208.12
99219 Hospital observation care, typically 50 minutes	19	19	$245.47	$125.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$302.79	$129.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	253	243	$458.67	$190.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	242	131	$172.65	$67.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	123	77	$252.80	$97.58
99239 Hospital discharge day management, more than 30 minutes	119	112	$275.35	$99.58
99220 Hospital observation care, typically 70 minutes	95	95	$413.40	$175.67
99238 Hospital discharge day management, 30 minutes or less	40	38	$165.28	$69.03
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	32	32	$24.06	$7.98
99217 Hospital observation care on day of discharge	26	26	$185.69	$67.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$368.82	$121.77
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	22	12	$250.00	$83.41
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	19	19	$546.37	$206.50

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TN MD0000051271

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License VA 0101047020

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

010230934 (VA)

Medicaid State Provider ID

010222559 (VA)

Medicaid State Provider ID

Q006729 (TN)

Hospital & Practice Group Affiliations

Memorial Health Partners Foundation, Inc

100 Gross Crescent Cir, Fort Oglethorpe, GA 307423643

Phone: 7068582445

Memorial Health Partners Foundation, Inc

5600 Brainerd Rd, Chattanooga, TN 374115371

Phone: 4234143586

Memorial Health Partners Foundation, Inc

2525 Desales Ave, Chattanooga, TN 374041161

Phone: 4236988692

Memorial Health Partners Foundation, Inc

2525 Desales Ave, Chattanooga, TN 374041161

Phone: 4234924734

Practice Associates & Co-Workers

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

39 Associated Practitioners

Dr. David Shved , DO

Hospitalist

NPI 1003262593

Doctor of Osteopathic Medicine (D.O.)

Dr. Patrick Rhyne , MD

Internal Medicine

NPI 1063497162

Doctor of Medicine (M.D.)

Dr. Jennifer Dooley , MD

Internal Medicine

NPI 1063532992

Doctor of Medicine (M.D.)

Dr. Leslie Herman , MD

Internal Medicine

NPI 1083623342

Doctor of Medicine (M.D.)

Dr. Eric Mccartt , MD

Internal Medicine

NPI 1083975734

Doctor of Medicine (M.D.)

Dr. Betty Abraham , MD

Internal Medicine

NPI 1093923633

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active April 14, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 14, 2016

Registered at 975 EAST THIRD STREET, CHATTANOOGA, TN 37403 (Tel: 4232661490)

📍

Updated Business Mailing Address April 14, 2016

Registered at 975 EAST THIRD STREET, ATTN: PROVIDER ENROLLMENT, CHATTANOOGA, TN 374032147 (Tel: 4237783110)

👤

Provider Name / Credentials Updated April 14, 2016

Recorded as NANCY MICHAELIS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 14, 2016

Internal Medicine (License #MD0000051271 in TN)

🟢

Initial NPI Registration & Enumeration July 29, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1467452425

Entity Type:

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

Enumeration Date: July 29, 2005

Last Update: April 14, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

975 East Third Street, Attn: Provider Enrollment

Chattanooga, TN 374032147

Phone: 4237783110

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

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.