Active NPI 1821068305 Individual Practitioner Male Practitioner

Dr. Robert Patrick Williamson , MD

Internal Medicine • Wilmington, MA

Professional Overview & Biography Verified Profile Summary

Dr. Robert Williamson, MD is a registered healthcare professional specializing in Internal Medicine in Wilmington, MA. Practice services are available at 500 SALEM STREET under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, 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

500 Salem Street

Wilmington, MA 01887

Telephone 9789886000

Fax 7813961620

Associated Practice Facility / Clinic

🏢 Winchester Physician Associates Facility NPI 1740262450

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Wilmington, MA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 29.1 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

17 Specialists

Practicing in Wilmington, MA (7127 Statewide)

Telehealth Adoption Rate

41.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

70.2% 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 (2020)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	79	77	$206.35	$56.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	41	$296.21	$87.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$299.53	$83.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$445.88	$143.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	126	124	$201.48	$55.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	90	89	$289.30	$84.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	45	45	$292.00	$83.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$433.86	$140.66
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$204.00	$53.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$131.23	$27.84
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$400.92	$120.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	150	145	$190.80	$53.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	74	$286.52	$82.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	69	69	$282.46	$79.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$428.68	$135.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	21	$125.71	$26.62
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	15	$400.00	$116.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	200	192	$170.00	$51.86
99213 Established patient office or other outpatient visit, typically 15 minutes	68	67	$170.00	$50.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$250.00	$76.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	28	$250.00	$80.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	26	$100.00	$26.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$250.00	$78.32

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 51661

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

6192696 (MA)

Practice Associates & Co-Workers

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

12 Associated Practitioners

Dr. Edward Curcio , MD

Emergency Medicine

NPI 1003800475

Doctor of Medicine (M.D.)

Jessica Albrinck , BSN, MPH, FNP-BC

Nurse Practitioner - Family

NPI 1164875639

Bachelor of Science in Nursing, Master of Public Health, Family Nurse Practitioner (Board Certified)

Maren Puder , FNP

Nurse Practitioner - Family

NPI 1306270707

Family Nurse Practitioner

Kristen Wagoner , NP

Nurse Practitioner

NPI 1407104060

Nurse Practitioner

Patricia Lindquist

Emergency Medicine

NPI 1497802037

Peter Nyame

Nurse Practitioner - Family

NPI 1508793274

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active March 23, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 23, 2017

Registered at 500 SALEM STREET, WILMINGTON, MA 01887 (Tel: 9789886000)

📍

Updated Business Mailing Address March 23, 2017

Registered at 500 SALEM STREET, WILMINGTON, MA 01887 (Tel: 7817291368)

👤

Provider Name / Credentials Updated March 23, 2017

Recorded as ROBERT WILLIAMSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 23, 2017

Internal Medicine (License #51661 in MA)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 43 FOREST ST, MEDFORD, MA 021553128 (Tel: 7813964048)

📍

Updated Business Mailing Address July 08, 2007

Registered at 3 FIELDSTONE DR, WINCHESTER, MA 018903257 (Tel: 7817291368)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as ROBERT WILLIAMSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #51661 in MA)

🟢

Initial NPI Registration & Enumeration January 25, 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: 1821068305

Entity Type:

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

Enumeration Date: January 25, 2006

Last Update: March 23, 2017

Sole Proprietor: No

Update or Correct Profile

Mailing Address

500 Salem Street

Wilmington, MA 01887

Phone: 7817291368

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.