Active NPI 1972028009 Individual Practitioner Male Practitioner

Dr. William Aaron Hayter , MD

Internal Medicine • Abingdon, VA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Hayter, MD is a certified Internal Medicine practicing in Abingdon, VA. With approximately 10 years of clinical experience since completing medical education in 2016, Dr. Hayter delivers high-quality medical care to the local community at 26112 LEE HWY.

Dr. Hayter is affiliated with Wellmont Medical Associates Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with straightforward or low-level 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

26112 Lee Hwy

Abingdon, VA 242117502

Telephone 2762068172

Associated Practice Facility / Clinic

🏢 Highlands Internal Medicine Facility NPI 1427912757

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Abingdon, VA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

10 Yrs -10.1 yrs vs City Avg

City Avg: 20.1 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

36 Specialists

Practicing in Abingdon, VA (3758 Statewide)

Telehealth Adoption Rate

11.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hayter (10 Years) 10 Yrs

Abingdon Specialty Average (20.1 Years) 20.1 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	535	194	$182.09	$73.56
99239 Hospital discharge day management, more than 30 minutes	124	122	$260.41	$104.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	55	54	$302.45	$121.83
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	27	$113.29	$46.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	33	$408.33	$161.70
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	20	17	$272.35	$111.33
99238 Hospital discharge day management, 30 minutes or less	17	17	$182.12	$71.32

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	554	188	$166.91	$74.80
99239 Hospital discharge day management, more than 30 minutes	111	104	$238.57	$104.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	58	$415.22	$164.09
99238 Hospital discharge day management, 30 minutes or less	36	36	$162.67	$67.79
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	24	$99.11	$46.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	31	$292.00	$122.72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	17	$231.04	$112.54

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	626	196	$148.13	$67.55
99239 Hospital discharge day management, more than 30 minutes	106	103	$217.99	$98.15
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	29	$79.75	$36.66
99238 Hospital discharge day management, 30 minutes or less	43	43	$148.42	$64.61
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	36	$412.00	$187.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	22	14	$213.00	$97.39
99219 Hospital observation care, typically 50 minutes	17	17	$274.94	$125.79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$280.88	$127.76
99217 Hospital observation care on day of discharge	13	13	$146.08	$68.04
99220 Hospital observation care, typically 70 minutes	13	13	$371.77	$170.27

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	476	181	$150.82	$67.56
99239 Hospital discharge day management, more than 30 minutes	106	106	$224.58	$99.61
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	24	$78.49	$34.62
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$428.74	$189.29
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$284.70	$128.29
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	20	12	$217.90	$94.03
99238 Hospital discharge day management, 30 minutes or less	14	14	$146.86	$68.00
99217 Hospital observation care on day of discharge	11	11	$150.91	$68.00

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	514	205	$158.00	$69.11
99239 Hospital discharge day management, more than 30 minutes	147	139	$232.74	$102.69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	68	65	$439.78	$192.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	30	$298.29	$131.87
99231 Follow-up hospital inpatient care per day, typically 15 minutes	30	19	$85.00	$37.82
99217 Hospital observation care on day of discharge	20	20	$158.00	$69.58
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	12	11	$226.00	$100.52
99238 Hospital discharge day management, 30 minutes or less	11	11	$158.00	$69.77

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	44	18	$158.00	$69.05

Medical Specialties & State Licenses

CMS Verified: 2025-12-11

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License VA 0101287521

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.

Hospital & Practice Group Affiliations

Wellmont Medical Associates Inc

111 W Stone Dr, Kingsport, TN 376606027

Wellmont Medical Associates Inc

1 Medical Park Blvd, Bristol, TN 376207430

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location December 11, 2025

Registered at 26112 LEE HWY, ABINGDON, VA 242117502 (Tel: 2762068172)

📍

Updated Business Mailing Address December 11, 2025

Registered at 26112 LEE HWY, ABINGDON, VA 242117502 (Tel: 2762068172)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 11, 2025

Internal Medicine (License #0101287521 in VA)

✅

NPI Profile Active August 09, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location August 09, 2017

Registered at 350 ENGLE ST, ENGLEWOOD, NJ 076311808 (Tel: (201) 894-3000)

📍

Updated Business Mailing Address August 09, 2017

Registered at 350 ENGLE ST, ENGLEWOOD, NJ 076311808 (Tel: 2018943000)

👤

Provider Name / Credentials Updated August 09, 2017

Recorded as WILLIAM HAYTER, MD

🎓

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

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration August 09, 2017

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: 1972028009

Entity Type:

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

Enumeration Date: August 09, 2017

Last Update: December 11, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

26112 Lee Hwy

Abingdon, VA 242117502

Phone: 2762068172

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.