Active NPI 1902822448 Individual Practitioner Female Practitioner

Dr. Sherrie Lee Walker , MD

Specialist • Lorton, VA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sherrie Walker, MD is a certified Specialist practicing in Lorton, VA. With approximately 39 years of clinical experience since graduating from Virginia Commonwealth University, School Of Medicine in 1987, Dr. Walker delivers high-quality medical care to the local community at 8988 LORTON STATION BLVD.

Dr. Walker is affiliated with Infectious Diseases Associates Pc 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, initial hospital care with moderate level of medical decision making, if using time, at least, 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

8988 Lorton Station Blvd
#204

Lorton, VA 220794733

Telephone 7033390477

Fax 7033399157

Associated Practice Facility / Clinic

🏢 Kc Pharmacy Llc Facility NPI 1760596753

Medicare Profile & Education

Medical School

Virginia Commonwealth University, School Of Medicine

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Lorton, VA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +0.7 yrs vs City Avg

City Avg: 38.3 Yrs

State Avg: 37.5 Yrs

Regional Practice Density

5 Specialists

Practicing in Lorton, VA (878 Statewide)

Telehealth Adoption Rate

40.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

31.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walker (39 Years) 39 Yrs

Lorton Specialty Average (38.3 Years) 38.3 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	422	165	$130.00	$84.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	137	134	$250.00	$183.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	15	$200.00	$138.96
99231 Follow-up hospital inpatient care per day, typically 15 minutes	14	14	$95.00	$52.71

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	432	136	$130.00	$84.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	141	139	$250.00	$183.01
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	22	$95.00	$52.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$200.00	$138.36

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	390	145	$130.00	$78.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	137	136	$250.00	$219.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	33	23	$95.00	$42.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	18	$200.00	$149.72
99221 Initial hospital inpatient care per day, typically 30 minutes	15	14	$180.00	$111.72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	14	$190.00	$112.92

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	464	144	$130.00	$79.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	131	126	$250.00	$222.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$200.00	$146.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	20	$95.00	$41.08
99221 Initial hospital inpatient care per day, typically 30 minutes	18	15	$180.00	$113.28

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	469	177	$130.00	$80.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	156	156	$250.00	$227.03
99231 Follow-up hospital inpatient care per day, typically 15 minutes	85	53	$95.00	$43.99
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	45	36	$190.00	$116.36
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	27	$200.00	$154.95

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	238	$130.38	$79.92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	186	182	$250.00	$221.18
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	146	93	$190.00	$114.14
99231 Follow-up hospital inpatient care per day, typically 15 minutes	60	46	$95.00	$43.27
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$200.00	$150.61
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$180.00	$111.69

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	416	211	$130.00	$79.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	147	147	$251.16	$223.71
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	82	67	$190.00	$114.86
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	49	$95.00	$43.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	39	38	$200.00	$150.82
99221 Initial hospital inpatient care per day, typically 30 minutes	14	12	$180.00	$112.00

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	592	219	$130.00	$78.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	160	160	$251.06	$223.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	70	$190.00	$114.77
99231 Follow-up hospital inpatient care per day, typically 15 minutes	68	50	$95.00	$42.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	63	59	$201.75	$148.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	45	33	$150.00	$120.94
99221 Initial hospital inpatient care per day, typically 30 minutes	21	19	$180.00	$111.93

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License VA 0101054987

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Hospital & Practice Group Affiliations

Infectious Diseases Associates Pc

9455 Lorton Market St, Lorton, VA 220791965

Phone: 7033393524

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. John Symington , MD

Specialist

NPI 1144253238

Doctor of Medicine (M.D.)

Dr. Karen Beydoun , MD

Internal Medicine - Infectious Disease

NPI 1467615583

Doctor of Medicine (M.D.)

Dr. Arthur Chutuape , MD

Specialist

NPI 1558394643

Doctor of Medicine (M.D.)

Dr. Stephen Stone , MD

Internal Medicine - Infectious Disease

NPI 1780188383

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 February 09, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location February 09, 2011

Registered at 8988 LORTON STATION BLVD, #204, LORTON, VA 220794733 (Tel: 7033390477)

📍

Updated Business Mailing Address February 09, 2011

Registered at 8988 LORTON STATION BLVD, #204, LORTON, VA 220794733 (Tel: 7033390477)

👤

Provider Name / Credentials Updated February 09, 2011

Recorded as SHERRIE WALKER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 09, 2011

Specialist (License #0101054987 in VA)

🟢

Initial NPI Registration & Enumeration July 15, 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: 1902822448

Entity Type:

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

Enumeration Date: July 15, 2006

Last Update: February 09, 2011

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

8988 Lorton Station Blvd, #204

Lorton, VA 220794733

Phone: 7033390477

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.