Active NPI 1699709352 Individual Practitioner Male Practitioner

Dr. Thomas Britton Percy , MD

Internal Medicine • Westfield, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Percy, MD is a certified Internal Medicine practicing in Westfield, MA. With approximately 33 years of clinical experience since graduating from University Of Cincinnati College Of Medicine in 1993, Dr. Percy delivers high-quality medical care to the local community at 115 W SILVER ST.

Dr. Percy maintains professional affiliations with Baystate Medical Practices Inc, Boston Center For Memory Inc, Mass General Brigham Medical Group Western Massachusetts Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, telephone medical discussion with physician, established 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

115 W Silver St

Westfield, MA 010853628

Telephone 4135725099

Fax 4135724151

Associated Practice Facility / Clinic

🏢 Westfield Medical Corporation Facility NPI 1912998444

Medicare Profile & Education

Medical School

University Of Cincinnati College Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Westfield, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +4.9 yrs vs City Avg

City Avg: 28.1 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

24 Specialists

Practicing in Westfield, MA (7127 Statewide)

Telehealth Adoption Rate

29.2% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

51.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Percy (33 Years) 33 Yrs

Westfield Specialty Average (28.1 Years) 28.1 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	78	53	$255.08	$116.92
99442 Telephone medical discussion with physician, 11-20 minutes	32	24	$188.00	$99.15
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	26	$371.00	$196.10
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes	25	25	$82.00	$40.28
99239 Hospital discharge day management, more than 30 minutes	20	20	$264.25	$113.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	339	154	$242.09	$120.00
99239 Hospital discharge day management, more than 30 minutes	146	141	$250.49	$115.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	110	73	$168.23	$79.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	121	79	$240.00	$103.92
99239 Hospital discharge day management, more than 30 minutes	39	38	$248.00	$107.08
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	11	$167.00	$72.25
99217 Hospital observation care on day of discharge	16	15	$168.00	$70.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	113	62	$240.00	$106.07
99239 Hospital discharge day management, more than 30 minutes	50	48	$248.00	$109.60
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	23	$167.00	$73.80
99226 Subsequent observation care, typically 35 minutes per day	17	11	$240.00	$106.07
99217 Hospital observation care on day of discharge	14	14	$168.00	$74.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	89	62	$236.56	$109.10
99239 Hospital discharge day management, more than 30 minutes	47	47	$244.55	$112.22
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	24	$163.32	$75.55
99217 Hospital observation care on day of discharge	21	20	$167.24	$73.69
99226 Subsequent observation care, typically 35 minutes per day	16	11	$239.25	$109.79

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	82	52	$174.10	$74.51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	58	40	$232.45	$106.04
99239 Hospital discharge day management, more than 30 minutes	52	52	$239.98	$109.48
99217 Hospital observation care on day of discharge	18	18	$155.94	$75.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$446.45	$209.46

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	129	88	$193.00	$72.36
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	78	54	$225.00	$104.29
99239 Hospital discharge day management, more than 30 minutes	51	50	$235.00	$108.16
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	38	$435.00	$202.97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	29	$257.00	$136.83
99217 Hospital observation care on day of discharge	22	22	$135.00	$73.38

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	136	98	$193.00	$73.81
99239 Hospital discharge day management, more than 30 minutes	54	53	$235.00	$110.42
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	32	25	$225.28	$106.64
99217 Hospital observation care on day of discharge	14	14	$135.00	$74.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$438.50	$207.03

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 151347

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

3153916 (MA)

Commercial Insurance / Payer ID Blue Cross Blue Shield

J16762 (MA)

Hospital & Practice Group Affiliations

Mass General Brigham Medical Group Western Massachusetts Inc

10 Denniston Pl, Northampton, MA 010602052

Phone: 4135869866

Boston Center For Memory Inc

180 Wells Ave, Newton Center, MA 024593328

Phone: 6176996927

Baystate Medical Practices Inc

759 Chestnut St, Springfield, MA 011991001

Phone: 4137940000

Mass General Brigham Medical Group Western Massachusetts Inc

30 Locust St, Northampton, MA 010602052

Phone: 4135822441

Practice Associates & Co-Workers

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

2 Associated Practitioners

Janet Swierzewski , NP

Nurse Practitioner - Acute Care

NPI 1093089328

Nurse Practitioner

Dr. Denzil Reid , MD

Internal Medicine - Pulmonary Disease

NPI 1538116306

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 April 30, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location April 30, 2008

Registered at 115 W SILVER ST, WESTFIELD, MA 010853628 (Tel: 4135725099)

📍

Updated Business Mailing Address April 30, 2008

Registered at PO BOX 369, WESTFIELD, MA 010860369 (Tel: 4135091000)

👤

Provider Name / Credentials Updated April 30, 2008

Recorded as THOMAS PERCY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2008

Internal Medicine (License #151347 in MA)

🟢

Initial NPI Registration & Enumeration July 10, 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: 1699709352

Entity Type:

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

Enumeration Date: July 10, 2006

Last Update: April 30, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 369

Westfield, MA 010860369

Phone: 4135091000

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.