Active NPI 1174563233 Individual Practitioner Male Practitioner

Dr. William Seid , MD

Colon & Rectal Surgery • Fairfax, VA

Professional Overview & Biography Verified Profile Summary

Dr. William Seid, MD is a registered healthcare professional specializing in Colon & Rectal Surgery in Fairfax, VA. Practice services are available at 12255 FAIR LAKES PKWY under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, diagnostic exam of large bowel using a flexible endoscope, biopsy of large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12255 Fair Lakes Pkwy
Kaiser Permanente Fair Oaks Medical Center

Fairfax, VA 220333952

Telephone 7039345770

Associated Practice Facility / Clinic

🏢 Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc Facility NPI 1114565298

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Fairfax, VA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 23.2 Yrs

State Avg: 22.7 Yrs

Regional Practice Density

11 Specialists

Practicing in Fairfax, VA (54 Statewide)

Telehealth Adoption Rate

27.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

19.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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	12	11	$72.24	$57.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	16	14	$62.59	$62.23
45378 Diagnostic exam of large bowel using a flexible endoscope	16	16	$181.74	$167.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$181.74	$173.86
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$62.59	$61.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	22	22	$196.82	$161.53
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	21	21	$181.43	$179.15
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$182.06	$179.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	73	73	$49.22	$47.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	16	$25.05	$23.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$81.22	$70.30
99213 Established patient office or other outpatient visit, typically 15 minutes	30	27	$54.02	$47.32
45380 Biopsy of large bowel using an endoscope	26	26	$202.14	$160.73
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$186.31	$179.05
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$211.81	$173.37
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$185.66	$172.32

Medical Specialties & State Licenses

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License VA 0101047062

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Gao Chen , MD

Surgery

NPI 1437418977

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active December 05, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location December 05, 2017

Registered at 12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTER, FAIRFAX, VA 220333952 (Tel: 7039345770)

📍

Updated Business Mailing Address December 05, 2017

Registered at 2101 E JEFFERSON ST, KAISER PERMANENTE MEDICARE ENROLLMENT, ROCKVILLE, MD 208524908 (Tel: 3018162424)

👤

Provider Name / Credentials Updated December 05, 2017

Recorded as WILLIAM SEID, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 05, 2017

Colon & Rectal Surgery (License #0101047062 in VA)

✅

NPI Profile Active November 29, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location November 29, 2011

Registered at 12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTER, FAIRFAX, VA 220333952 (Tel: 7039345770)

📍

Updated Business Mailing Address November 29, 2011

Registered at 2101 E JEFFERSON ST, KAISER PERMANENTE MEDICARE ENROLLMENT, ROCKVILLE, MD 208524908 (Tel: 3018162424)

👤

Provider Name / Credentials Updated November 29, 2011

Recorded as WILLIAM SEID, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 29, 2011

Colon & Rectal Surgery (License #0101047062 in VA)

🟢

Initial NPI Registration & Enumeration June 07, 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: 1174563233

Entity Type:

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

Enumeration Date: June 07, 2006

Last Update: December 05, 2017

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

2101 E Jefferson St, Kaiser Permanente Medicare Enrollment

Rockville, MD 208524908

Phone: 3018162424

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.