Active NPI 1780813055 Individual Practitioner Female Practitioner

Dr. Lilian Chen , MD

Colon & Rectal Surgery • Boston, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Lilian Chen, MD is a certified Colon & Rectal Surgery practicing in Boston, MA. With approximately 17 years of clinical experience since graduating from Geisel School Of Medicine At Dartmouth in 2009, Dr. Chen delivers high-quality medical care to the local community at 800 WASHINGTON ST.

Dr. Chen is affiliated with Pratt Surgical Associates Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of external hemorrhoids by rubber banding, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

800 Washington St

Boston, MA 021111552

Telephone 6466425920

Fax 6176366110

Associated Practice Facility / Clinic

🏢 Pratt Med/surg Dermatology Associates Inc Facility NPI 1528012176

Medicare Profile & Education

Medical School

Geisel School Of Medicine At Dartmouth

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Boston, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -4.9 yrs vs City Avg

City Avg: 21.9 Yrs

State Avg: 25.6 Yrs

Regional Practice Density

18 Specialists

Practicing in Boston, MA (56 Statewide)

Telehealth Adoption Rate

44.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

73.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (17 Years) 17 Yrs

Boston Specialty Average (21.9 Years) 21.9 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	41	35	$381.07	$102.13
46221 Removal of external hemorrhoids by rubber banding	34	17	$899.81	$199.17
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$646.31	$190.58
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	18	$529.90	$145.43
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$269.27	$68.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$490.37	$134.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	48	31	$269.27	$70.96
46221 Removal of external hemorrhoids by rubber banding	38	16	$899.81	$218.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	23	$381.07	$105.69
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	20	20	$646.31	$188.29
99231 Follow-up hospital inpatient care per day, typically 15 minutes	14	11	$112.63	$53.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	37	27	$264.49	$73.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	12	$371.18	$107.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$498.98	$148.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	32	29	$244.00	$72.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$357.00	$92.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$358.00	$110.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	61	48	$228.39	$56.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$347.30	$84.09
46221 Removal of external hemorrhoids by rubber banding	30	20	$615.90	$223.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$336.79	$87.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	63	36	$176.00	$55.62
99231 Follow-up hospital inpatient care per day, typically 15 minutes	58	12	$111.00	$42.78
99213 Established patient office or other outpatient visit, typically 15 minutes	37	20	$176.00	$55.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	26	$259.00	$85.78
46221 Removal of external hemorrhoids by rubber banding	23	12	$548.00	$219.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$260.00	$83.05
99221 Initial hospital inpatient care per day, typically 30 minutes	13	12	$287.00	$110.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$396.00	$140.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$396.00	$140.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	70	40	$174.34	$55.31
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$257.50	$82.86
46221 Removal of external hemorrhoids by rubber banding	23	12	$548.00	$216.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	18	$256.71	$84.68
46600 Diagnostic examination of the anus using an endoscope	14	12	$118.00	$46.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$393.23	$139.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	72	26	$113.92	$41.28
99213 Established patient office or other outpatient visit, typically 15 minutes	48	34	$171.13	$53.82
46600 Diagnostic examination of the anus using an endoscope	34	30	$111.12	$44.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$253.39	$80.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	14	$252.69	$82.90
46221 Removal of external hemorrhoids by rubber banding	16	11	$513.06	$210.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$384.86	$136.66

Medical Specialties & State Licenses

CMS Verified: 2023-06-27

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License MA 259851

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

State License MA 241300

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Pratt Surgical Associates Inc

800 Washigton St, Boston, MA 021111552

Phone: 6176365000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Aaron Dickstein , MD

Internal Medicine - Gastroenterology

NPI 1003059239

Doctor of Medicine (M.D.)

Thomas Bigelow

Technician/Technologist - Optician

NPI 1003155813

Dr. Sarah Persing , MD

Plastic Surgery

NPI 1003252727

Doctor of Medicine (M.D.)

Dr. Sharanya Mohanty , MD

Internal Medicine

NPI 1003265984

Doctor of Medicine (M.D.)

Dr. Afrah Mohammed , MD

Internal Medicine - Infectious Disease

NPI 1003368747

Doctor of Medicine (M.D.)

Dr. Adnan Qamar , MD

Student in an Organized Health Care Education/Training Program

NPI 1003418153

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location June 27, 2023

Registered at 800 WASHINGTON ST, BOSTON, MA 021111552 (Tel: 6466425920)

📍

Updated Business Mailing Address June 27, 2023

Registered at 800 WASHINGTON ST, BOSTON, MA 021111552 (Tel: 6466425920)

✅

NPI Profile Active July 08, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2009

Registered at 41 MALL RD, BURLINGTON, MA 018050001 (Tel: 7817448585)

📍

Updated Business Mailing Address July 08, 2009

Registered at 41 MALL RD, BURLINGTON, MA 018050001 (Tel: 7817448585)

👤

Provider Name / Credentials Updated July 08, 2009

Recorded as LILIAN CHEN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2009

Student in an Organized Health Care Education/Training Program (License #241300 in MA)

🟢

Initial NPI Registration & Enumeration July 08, 2009

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: 1780813055

Entity Type:

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

Enumeration Date: July 08, 2009

Last Update: June 27, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

800 Washington St

Boston, MA 021111552

Phone: 6466425920

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.