Active NPI 1174543516 Individual Practitioner Female Practitioner

Dr. Karen B Duffy , MD

General Practice • Madison, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Karen Duffy, MD is a certified General Practice practicing in Madison, TN. With approximately 53 years of clinical experience since graduating from University Of Tennessee, Hsc, College Of Medicine in 1973, Dr. Duffy delivers high-quality medical care to the local community at 1210 BRIARVILLE ROAD.

Dr. Duffy accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, testing for presence of drug, read by direct observation, office-based treatment for opioid use disorder, including care coordination, individual therapy and group therapy and counseling; at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1210 Briarville Road
Blding B

Madison, TN 37115

Telephone 6158689959

Fax 6158651463

Associated Practice Facility / Clinic

🏢 Madison Minor Emerg Ctr Facility NPI 1588837264

Medicare Profile & Education

Medical School

University Of Tennessee, Hsc, College Of Medicine

Graduation Year

1973

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for General Practice in Madison, TN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

53 Yrs Matches City Avg

City Avg: 53.0 Yrs

State Avg: 34.2 Yrs

Regional Practice Density

4 Specialists

Practicing in Madison, TN (202 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

41.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Duffy (53 Years) 53 Yrs

Madison Specialty Average (53.0 Years) 53.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

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	103	17	$165.00	$111.29
80305 Testing for presence of drug, read by direct observation	90	18	$18.13	$12.35
G2087 Office-based treatment for opioid use disorder, including care coordination, individual therapy and group therapy and counseling; at least 60 minutes in a subsequent calendar month	83	16	$550.00	$314.11
99484 Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional	33	11	$72.00	$37.58

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	114	21	$165.00	$113.89
80305 Testing for presence of drug, read by direct observation	110	25	$18.00	$12.43
G2087 Office-based treatment for opioid use disorder, including care coordination, individual therapy and group therapy and counseling; at least 60 minutes in a subsequent calendar month	80	21	$550.00	$311.76
99484 Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional	60	14	$72.00	$39.08
99213 Established patient office or other outpatient visit, typically 15 minutes	33	17	$115.00	$79.80
G0481 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms	31	18	$230.00	$154.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
80305 Testing for presence of drug, read by direct observation	147	22	$18.00	$12.60
99213 Established patient office or other outpatient visit, typically 15 minutes	142	20	$115.00	$81.98
G2087 Office-based treatment for opioid use disorder, including care coordination, individual therapy and group therapy and counseling; at least 60 minutes in a subsequent calendar month	121	19	$545.79	$327.08
99484 Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional	44	12	$72.00	$41.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	17	$170.51	$116.68
G0483 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms	31	16	$365.00	$246.92
G2086 Office-based treatment for opioid use disorder, including development of the treatment plan, care coordination, individual therapy and group therapy and counseling; at least 70 minutes in the first calendar month	12	12	$620.00	$354.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	145	47	$113.84	$62.52
80305 Testing for presence of drug, read by direct observation	50	33	$18.00	$12.47
G2087 Office-based treatment for opioid use disorder, including care coordination, individual therapy and group therapy and counseling; at least 60 minutes in a subsequent calendar month	48	33	$503.96	$337.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	19	$165.00	$97.80
G2086 Office-based treatment for opioid use disorder, including development of the treatment plan, care coordination, individual therapy and group therapy and counseling; at least 70 minutes in the first calendar month	17	17	$620.00	$372.53

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	114	59	$130.00	$99.43
36415 Insertion of needle into vein for collection of blood sample	74	45	$15.00	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	53	40	$175.00	$132.67
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	25	17	$30.00	$15.14
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	11	$50.00	$20.41
81002 Urinalysis, manual test	16	13	$15.00	$3.41
99213 Established patient office or other outpatient visit, typically 15 minutes	15	12	$90.00	$67.27

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	134	79	$130.00	$98.12
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	130	73	$175.00	$132.11
36415 Insertion of needle into vein for collection of blood sample	98	46	$15.00	$2.94
J0696 Injection, ceftriaxone sodium, per 250 mg	92	18	$10.00	$0.62
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	63	31	$30.00	$18.50
81002 Urinalysis, manual test	29	27	$15.00	$3.41
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	25	25	$127.00	$101.64
J1040 Injection, methylprednisolone acetate, 80 mg	13	11	$40.00	$12.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$200.00	$150.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	340	25	$3.94	$0.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	199	111	$130.00	$94.88
36415 Insertion of needle into vein for collection of blood sample	129	62	$15.00	$2.90
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	124	45	$30.00	$22.24
J0696 Injection, ceftriaxone sodium, per 250 mg	110	20	$10.00	$0.64
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	101	66	$175.00	$127.81
81002 Urinalysis, manual test	53	40	$15.00	$3.43
99213 Established patient office or other outpatient visit, typically 15 minutes	36	32	$90.00	$63.59
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	34	32	$50.00	$7.15
J1040 Injection, methylprednisolone acetate, 80 mg	27	19	$40.00	$10.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$200.00	$146.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	24	24	$127.00	$102.46
76775 Limited ultrasound scan behind abdominal cavity	17	17	$185.29	$51.88
71020 X-ray of chest, 2 views, front and side	13	12	$65.00	$24.41

Medical Specialties & State Licenses

General Practice Primary Specialty

NUCC Taxonomy Code: 208D00000X

State License TN MD0000008280

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3185053 (TN)

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Arnulfo Agbunag , MD

Surgery

NPI 1205856663

Doctor of Medicine (M.D.)

Dr. Chris Kromer , MD

Family Medicine - Addiction Medicine

NPI 1851442024

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location March 15, 2018

Registered at 1210 BRIARVILLE ROAD, BLDING B, MADISON, TN 37115 (Tel: 6158689959)

📍

Updated Business Mailing Address March 15, 2018

Registered at 1210 BRIARVILLE ROAD, BUILDING B, MADISON, TN 37115 (Tel: 6158689959)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1114 N GALLATIN RD, MADISON, TN 37115 (Tel: 6158689959)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1114 N GALLATIN RD, MADISON, TN 37115 (Tel: 6158689959)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as KAREN DUFFY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

General Practice (License #MD0000008280 in TN)

🟢

Initial NPI Registration & Enumeration July 20, 2006

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: 1174543516

Entity Type:

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

Enumeration Date: July 20, 2006

Last Update: May 30, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1210 Briarville Road, Building B

Madison, TN 37115

Phone: 6158689959

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.