Active NPI 1871801282 Individual Practitioner Male Practitioner

Dr. David Terwilliger , DO

Surgery • Whitesburg, KY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Terwilliger, DO is a certified Surgery practicing in Whitesburg, KY. With approximately 16 years of clinical experience since completing medical education in 2010, Dr. Terwilliger delivers high-quality medical care to the local community at 214 HOSPITAL RD.

Dr. Terwilliger is affiliated with Appalachian Regional Healthcare Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, follow-up hospital inpatient care per day, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

214 Hospital Rd

Whitesburg, KY 418587627

Telephone 6066332256

Fax 6066333814

Associated Practice Facility / Clinic

🏢 Appalachian Regional Healthcare, Inc. Facility NPI 1821204199

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Whitesburg, KY

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

16 Yrs -1.5 yrs vs City Avg

City Avg: 17.5 Yrs

State Avg: 25.9 Yrs

Regional Practice Density

6 Specialists

Practicing in Whitesburg, KY (495 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

68.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Terwilliger (16 Years) 16 Yrs

Whitesburg Specialty Average (17.5 Years) 17.5 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	98	80	$81.90	$75.91
99231 Follow-up hospital inpatient care per day, typically 15 minutes	51	30	$95.00	$47.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	20	$124.00	$76.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	31	$222.35	$125.96
99213 Established patient office or other outpatient visit, typically 15 minutes	30	28	$71.40	$53.21
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	20	$983.00	$87.20
99221 Initial hospital inpatient care per day, typically 30 minutes	17	16	$162.00	$79.98

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	124	111	$81.79	$74.01
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	38	$223.38	$122.23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	39	$983.00	$88.98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	27	$124.00	$74.21
99213 Established patient office or other outpatient visit, typically 15 minutes	33	33	$54.82	$49.62
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	13	$95.00	$37.67
45380 Biopsy of large bowel using an endoscope	20	20	$1412.00	$153.93
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$1242.00	$166.31

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	100	78	$84.99	$74.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	84	44	$124.00	$66.83
99221 Initial hospital inpatient care per day, typically 30 minutes	45	43	$188.00	$93.87
99213 Established patient office or other outpatient visit, typically 15 minutes	39	33	$65.67	$51.56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	22	$233.00	$126.77
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	23	23	$983.00	$82.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$122.00	$122.44
45380 Biopsy of large bowel using an endoscope	14	14	$1412.00	$126.26

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	121	95	$76.60	$73.81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	79	41	$124.00	$67.80
99221 Initial hospital inpatient care per day, typically 30 minutes	45	43	$188.00	$94.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	33	$233.00	$127.37
99213 Established patient office or other outpatient visit, typically 15 minutes	27	23	$51.74	$49.65
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	20	$983.00	$76.57
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$122.00	$122.16
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$1242.00	$177.65

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	133	110	$81.20	$73.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	110	58	$124.00	$70.91
99213 Established patient office or other outpatient visit, typically 15 minutes	42	37	$52.52	$49.31
99221 Initial hospital inpatient care per day, typically 30 minutes	40	38	$188.00	$99.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	30	$233.00	$134.74
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	24	$983.00	$102.57
45380 Biopsy of large bowel using an endoscope	11	11	$1412.00	$156.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	210	96	$161.18	$73.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	98	96	$309.94	$139.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	59	$74.56	$72.68
99213 Established patient office or other outpatient visit, typically 15 minutes	30	27	$56.40	$48.81
45380 Biopsy of large bowel using an endoscope	20	20	$1412.00	$180.25
99213 Established patient office or other outpatient visit, typically 15 minutes	20	15	$172.00	$77.44
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$983.00	$93.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$364.77	$197.06
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$195.36	$99.00

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	126	109	$86.84	$72.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	120	57	$172.00	$74.52
99221 Initial hospital inpatient care per day, typically 30 minutes	58	57	$192.16	$97.90
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	47	46	$354.49	$142.69
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	29	$97.63	$38.84
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	26	25	$989.69	$91.37
99213 Established patient office or other outpatient visit, typically 15 minutes	22	15	$171.91	$75.38
45380 Biopsy of large bowel using an endoscope	22	22	$1412.00	$144.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$257.70	$112.90
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$49.20	$24.40

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	219	194	$80.28	$72.04
99221 Initial hospital inpatient care per day, typically 30 minutes	103	99	$188.00	$96.85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	60	59	$983.00	$82.23
45380 Biopsy of large bowel using an endoscope	55	54	$1412.00	$152.27
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	37	$124.00	$69.00
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	19	$95.00	$37.52
45378 Diagnostic exam of large bowel using a flexible endoscope	24	24	$1242.00	$170.29
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$75.25	$48.71
11406 Removal of growth (4.0 centimeters) of the trunk, arms, or legs	17	11	$672.89	$198.93

Medical Specialties & State Licenses

CMS Verified: 2026-07-31

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License KY 03903

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License FL OS12044

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100288900 (FL)

Hospital & Practice Group Affiliations

Appalachian Regional Healthcare Inc

214 Hospital Rd, Whitesburg, KY 418587627

Phone: 6066333632

Secondary Practice Locations

214 Hospital Rd, Suite A

Whitesburg, KY 418587627

Phone: 6066332255

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. John Pellegrini , MD

Surgery

NPI 1205821261

Doctor of Medicine (M.D.)

Dr. Kathleen Caizzi , MD

Internal Medicine

NPI 1376545707

Doctor of Medicine (M.D.)

Dr. Sunil Roy , MD

Surgery

NPI 1720073091

Doctor of Medicine (M.D.)

Dr. Sally Smith , DO

Surgery

NPI 1952896748

Doctor of Osteopathic Medicine (D.O.)

Dr. Dustin Campbell , MD

Surgery

NPI 1982858973

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

16 Historical Events

📍

Updated Practice Location July 31, 2026

Registered at 214 HOSPITAL RD, WHITESBURG, KY 418587627 (Tel: 6066332256)

📍

Updated Business Mailing Address July 31, 2026

Registered at 214 HOSPITAL RD, WHITESBURG, KY 418587627 (Tel: 6066332256)

📍

Updated Practice Location September 05, 2018

Registered at 214 HOSPITAL RD, SUITE A, WHITESBURG, KY 41858 (Tel: 6066332255)

📍

Updated Business Mailing Address September 05, 2018

Registered at PO BOX 2147, FORT MYERS, FL 339022147 (Tel: 2394242755)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 05, 2018

Surgery (License #OS12044 in FL)

✅

NPI Profile Active May 09, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location May 09, 2017

Registered at 214 HOSPITAL RD, SUITE A, WHITESBURG, KY 418587627 (Tel: 6066332255)

📍

Updated Business Mailing Address May 09, 2017

Registered at 214 HOSPITAL RD, SUITE A, WHITESBURG, KY 418587627 (Tel: 6066332255)

👤

Provider Name / Credentials Updated May 09, 2017

Recorded as DAVID TERWILLIGER, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2017

Surgery (License #UO2546 in FL)

✅

NPI Profile Active September 20, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location September 20, 2010

Registered at 2025 INDIAN ROCKS RD, LARGO, FL 33774 (Tel: 7275867103)

📍

Updated Business Mailing Address September 20, 2010

Registered at 500 BELCHER RD SOUTH, APT#137, LARGO, FL 33771 (Tel: 7275867103)

👤

Provider Name / Credentials Updated September 20, 2010

Recorded as DAVID TERWILLIGER, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 20, 2010

Surgery (License #UO2546 in FL)

🟢

Initial NPI Registration & Enumeration September 20, 2010

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: 1871801282

Entity Type:

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

Enumeration Date: September 20, 2010

Last Update: July 31, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

214 Hospital Rd

Whitesburg, KY 418587627

Phone: 6066332256

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.