Active NPI 1013985068 Individual Practitioner Male Practitioner

Dr. Ralph R Dimattia , MD

Internal Medicine • Williamsburg, VA

Professional Overview & Biography Verified Profile Summary

Dr. Ralph Dimattia, MD is a registered healthcare professional specializing in Internal Medicine in Williamsburg, VA. Practice services are available at 100 SENTARA CIR under active NPI credentials.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, hospital discharge day management. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

100 Sentara Cir

Williamsburg, VA 231885713

Telephone 7579847218

Fax 7579847210

Associated Practice Facility / Clinic

🏢 Sentara Hospitals Facility NPI 1619938149

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Williamsburg, VA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 26.5 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

41 Specialists

Practicing in Williamsburg, VA (3758 Statewide)

Telehealth Adoption Rate

17.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

49.9% 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	40	22	$155.95	$77.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	38	26	$234.11	$116.95
99239 Hospital discharge day management, more than 30 minutes	15	15	$224.20	$113.32

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	263	145	$154.22	$78.56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	222	147	$230.22	$118.18
99239 Hospital discharge day management, more than 30 minutes	89	87	$224.16	$112.84
99238 Hospital discharge day management, 30 minutes or less	51	50	$157.88	$80.27

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	522	206	$147.00	$70.66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	87	71	$210.00	$100.42
99238 Hospital discharge day management, 30 minutes or less	73	73	$148.00	$70.18
99239 Hospital discharge day management, more than 30 minutes	53	52	$216.00	$102.12
99497 Advance care planning, first 30 minutes	16	15	$160.00	$77.47
99217 Hospital observation care on day of discharge	14	14	$148.00	$71.12

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	688	273	$147.00	$71.93
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	112	88	$210.00	$103.60
99239 Hospital discharge day management, more than 30 minutes	105	102	$216.00	$106.03
99238 Hospital discharge day management, 30 minutes or less	71	71	$148.00	$72.46
99217 Hospital observation care on day of discharge	27	27	$148.00	$72.45
99225 Subsequent observation care, typically 25 minutes per day	19	15	$148.00	$72.09
99497 Advance care planning, first 30 minutes	17	16	$160.00	$78.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$276.00	$136.27

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	1,084	389	$147.00	$73.72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	178	132	$210.00	$106.41
99238 Hospital discharge day management, 30 minutes or less	167	157	$148.00	$74.43
99239 Hospital discharge day management, more than 30 minutes	87	81	$216.00	$108.32
99217 Hospital observation care on day of discharge	42	41	$148.00	$71.80
99497 Advance care planning, first 30 minutes	40	38	$160.00	$80.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$276.00	$139.80
99225 Subsequent observation care, typically 25 minutes per day	24	21	$148.00	$74.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$408.00	$204.92
99219 Hospital observation care, typically 50 minutes	12	12	$274.00	$132.18

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	1,052	386	$144.00	$73.18
99238 Hospital discharge day management, 30 minutes or less	199	190	$144.00	$73.50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	94	70	$207.00	$104.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	85	84	$273.00	$137.11
99239 Hospital discharge day management, more than 30 minutes	65	65	$214.00	$106.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	50	49	$403.00	$203.45
99497 Advance care planning, first 30 minutes	30	28	$170.00	$79.62
99217 Hospital observation care on day of discharge	27	27	$145.00	$71.71
99225 Subsequent observation care, typically 25 minutes per day	22	18	$145.00	$73.53
99219 Hospital observation care, typically 50 minutes	16	16	$269.00	$136.71

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	1,171	419	$144.00	$72.12
99238 Hospital discharge day management, 30 minutes or less	188	182	$144.00	$72.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	141	104	$207.00	$103.64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	97	96	$403.00	$200.97
99239 Hospital discharge day management, more than 30 minutes	87	86	$214.00	$107.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$273.00	$134.21
99217 Hospital observation care on day of discharge	38	38	$145.00	$72.75
99225 Subsequent observation care, typically 25 minutes per day	31	25	$145.00	$72.82

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	1,029	391	$144.00	$71.21
99238 Hospital discharge day management, 30 minutes or less	163	157	$144.00	$70.93
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	136	103	$207.00	$103.08
99239 Hospital discharge day management, more than 30 minutes	120	117	$214.00	$106.26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	110	104	$403.00	$200.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	33	$271.03	$135.25
99217 Hospital observation care on day of discharge	29	29	$145.00	$71.96
99225 Subsequent observation care, typically 25 minutes per day	19	15	$145.00	$72.02

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License VA 0101036830

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

010026253 (VA)

Practice Associates & Co-Workers

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

14 Associated Practitioners

Dr. Troy Thompson , MD

Specialist

NPI 1003803487

Doctor of Medicine (M.D.)

Hannah Manson , PA

Physician Assistant

NPI 1083080295

Physician Assistant

Dr. Taylor Hanson , MD

Internal Medicine

NPI 1124683958

Doctor of Medicine (M.D.)

Dr. Lisa Merrill , MD

Internal Medicine

NPI 1235109653

Doctor of Medicine (M.D.)

Dr. Imhotep Boukman , MD

Internal Medicine

NPI 1326094723

Doctor of Medicine (M.D.)

Dr. Tsegaye Gebregiorgis , MD

Internal Medicine

NPI 1356731897

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 September 12, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location September 12, 2013

Registered at 100 SENTARA CIR, WILLIAMSBURG, VA 231885713 (Tel: 7579847218)

📍

Updated Business Mailing Address September 12, 2013

Registered at 100 SENTARA CIR, WILLIAMSBURG, VA 231885713 (Tel: 7579847218)

👤

Provider Name / Credentials Updated September 12, 2013

Recorded as RALPH DIMATTIA, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 12, 2013

Internal Medicine (License #0101036830 in VA)

🟢

Initial NPI Registration & Enumeration March 08, 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: 1013985068

Entity Type:

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

Enumeration Date: March 08, 2006

Last Update: September 12, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

100 Sentara Cir

Williamsburg, VA 231885713

Phone: 7579847218

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.