Active NPI 1871700815 Individual Practitioner Female Practitioner

Kristi Deanne Duffield , PA-C

Physician Assistant • Jackson, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Kristi Duffield, PA-C is a certified Physician Assistant practicing in Jackson, TN. With approximately 33 years of clinical experience since completing medical education in 1993, Kristi Duffield delivers high-quality medical care to the local community at 616 W FOREST AVE.

Kristi Duffield maintains professional affiliations with Isaac Spine Joint And Pain Institute, Total Extended Care Services Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, testing for presence of drug, by chemistry analyzers, 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. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

616 W Forest Ave

Jackson, TN 383013902

Telephone 7315743000

Associated Practice Facility / Clinic

🏢 G. Baker Hubbard Ambulatory Surgery Center Facility NPI 1548221781

Medicare Profile & Education

Medical School

Other

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Jackson, TN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +25.8 yrs vs City Avg

City Avg: 7.2 Yrs

State Avg: 10.5 Yrs

Regional Practice Density

42 Specialists

Practicing in Jackson, TN (3096 Statewide)

Telehealth Adoption Rate

4.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

61.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Duffield (33 Years) 33 Yrs

Jackson Specialty Average (7.2 Years) 7.2 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
99213 Established patient office or other outpatient visit, typically 15 minutes	247	54	$230.00	$68.57
80307 Testing for presence of drug, by chemistry analyzers	68	34	$150.00	$58.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	30	$324.69	$97.18
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	36	29	$250.00	$153.46
80305 Testing for presence of drug, read by direct observation	23	18	$63.26	$11.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	253	55	$229.82	$70.40
80307 Testing for presence of drug, by chemistry analyzers	65	34	$150.00	$60.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	21	$327.79	$96.14
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	41	32	$250.00	$153.46
80305 Testing for presence of drug, read by direct observation	24	17	$65.00	$10.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	282	65	$230.00	$71.29
80307 Testing for presence of drug, by chemistry analyzers	73	36	$150.00	$61.34
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	59	41	$250.00	$154.76
80305 Testing for presence of drug, read by direct observation	22	19	$65.00	$12.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	305	82	$223.97	$71.01
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	81	56	$250.00	$153.57
80307 Testing for presence of drug, by chemistry analyzers	70	36	$150.00	$58.75
80305 Testing for presence of drug, read by direct observation	53	43	$65.00	$12.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$281.82	$85.55
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$421.37	$134.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	139	57	$184.89	$59.41
80307 Testing for presence of drug, by chemistry analyzers	40	27	$150.00	$59.18
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	38	30	$250.00	$144.87
80305 Testing for presence of drug, read by direct observation	13	13	$65.00	$12.60

Medical Specialties & State Licenses

CMS Verified: 2026-06-10

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TN TN 0425

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

Q006550 (TN)

Hospital & Practice Group Affiliations

Isaac Spine Joint And Pain Institute

3320 Perimeter Hill Dr, Nashville, TN 372114123

Phone: 6158669040

Total Extended Care Services Pc

616 W Forest Ave, Jackson, TN 383013902

Phone: 7315743000

Isaac Spine Joint And Pain Institute

3320 Perimeter Hill Dr, Nashville, TN 372114123

Practice Associates & Co-Workers

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

1 Associated Practitioners

Hunter Harris , DR

Physical Therapist

NPI 1821717125

Career & Practice History Timeline

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

11 Historical Events

📍

Updated Practice Location June 10, 2026

Registered at 616 W FOREST AVE, JACKSON, TN 383013902 (Tel: 7315743000)

📍

Updated Practice Location February 05, 2024

Registered at 2004 HAYES ST STE 655, NASHVILLE, TN 372032656 (Tel: 6158669040)

📍

Updated Practice Location March 11, 2020

Registered at 3320 PERIMETER HILL DR, NASHVILLE, TN 372114123 (Tel: 6158669040)

📍

Updated Practice Location June 03, 2019

Registered at 1805 WILLIAMSON CT, BRENTWOOD, TN 37027 (Tel: 6153315536)

📍

Updated Business Mailing Address June 03, 2019

Registered at 1805 WILLIAMSON CT, BRENTWOOD, TN 370278164 (Tel: 6153315536)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 7200 CENTENNIAL BLVD, NASHVILLE, TN 372091013 (Tel: 6153507710)

📍

Updated Business Mailing Address July 08, 2007

Registered at 202 AUTUMN GLEN DR, MURFREESBORO, TN 371297885 (Tel: 6154949267)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as KRISTI DUFFIELD, PA-C

🎓

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

Physician Assistant (License #TN 0425 in TN)

🟢

Initial NPI Registration & Enumeration May 17, 2007

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: 1871700815

Entity Type:

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

Enumeration Date: May 17, 2007

Last Update: June 10, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1805 Williamson Ct

Brentwood, TN 370278164

Phone: 6153315536

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.