Active NPI 1659353100 Individual Practitioner Male Practitioner

Dr. William M Demarchi , MD

Internal Medicine • Boca Raton, FL

Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. William Demarchi, MD is a certified Internal Medicine practicing in Boca Raton, FL. With approximately 31 years of clinical experience since graduating from New York Medical College in 1995, Dr. Demarchi delivers high-quality medical care to the local community at 9878 CLINT MOORE ROAD.

Dr. Demarchi maintains professional affiliations with Post Acute Clinical Services Pllc, Sg Medical Professional Pc and does not directly accept Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include subsequent nursing facility care with high level of medical decision making, per day, if using time, at least, initial nursing facility visit, advance care planning, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9878 Clint Moore Road
Suite 202

Boca Raton, FL 334961037

Telephone 5614512454

Fax 5614511223

Associated Practice Facility / Clinic

🏢 William M Demarchi Md Pa Facility NPI 1942496633

Medicare Profile & Education

Medical School

New York Medical College

Graduation Year

1995

Medicare Assignment

Not Specified

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Boca Raton, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs +6.7 yrs vs City Avg

City Avg: 24.3 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

217 Specialists

Practicing in Boca Raton, FL (10650 Statewide)

Telehealth Adoption Rate

26.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

50.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Demarchi (31 Years) 31 Yrs

Boca Raton Specialty Average (24.3 Years) 24.3 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
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	498	199	$308.00	$143.64
99306 Initial nursing facility visit, typically 45 minutes per day	192	171	$365.00	$170.24
99306 Initial nursing facility visit, typically 45 minutes per day	81	73	$365.00	$170.77
99497 Advance care planning, first 30 minutes	76	76	$166.00	$70.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	55	$206.49	$128.69
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	52	44	$308.00	$143.43
99497 Advance care planning, first 30 minutes	36	36	$166.00	$77.39
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	26	11	$374.00	$173.99
G0444 Annual depression screening, 5 to 15 minutes	25	25	$28.96	$18.65
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	22	22	$208.64	$129.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	596	338	$308.00	$145.67
99306 Initial nursing facility visit, typically 45 minutes per day	512	466	$361.00	$173.61
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	435	340	$298.83	$145.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	283	128	$291.70	$130.35
99497 Advance care planning, first 30 minutes	173	172	$166.14	$72.02
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	86	86	$323.88	$130.71
G0444 Annual depression screening, 5 to 15 minutes	78	78	$46.35	$18.52
99306 Initial nursing facility visit, typically 45 minutes per day	60	59	$365.00	$173.46
99497 Advance care planning, first 30 minutes	34	34	$166.00	$78.77
93000 Routine ekg using at least 12 leads including interpretation and report	30	29	$73.27	$14.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	387	232	$270.29	$127.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	351	162	$172.00	$131.93
99306 Initial nursing facility visit, typically 45 minutes per day	216	199	$332.61	$157.19
G0444 Annual depression screening, 5 to 15 minutes	134	134	$49.98	$18.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	100	100	$234.78	$135.28
99497 Advance care planning, first 30 minutes	82	81	$168.00	$74.41
93000 Routine ekg using at least 12 leads including interpretation and report	32	30	$75.00	$15.03
99318 Nursing facility annual assessment, typically 30 minutes	31	31	$191.00	$90.69
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	25	$225.00	$186.29
99213 Established patient office or other outpatient visit, typically 15 minutes	19	17	$145.28	$94.18
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$272.73	$229.79

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	295	153	$157.05	$135.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	134	98	$218.73	$189.57
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	105	105	$217.86	$135.02
99497 Advance care planning, first 30 minutes	77	74	$125.00	$88.87
93000 Routine ekg using at least 12 leads including interpretation and report	42	39	$75.00	$15.61
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	18	18	$400.00	$208.31
99496 Transitional care management services for problem of high complexity	18	17	$250.00	$250.00
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	17	13	$100.00	$54.92
G0444 Annual depression screening, 5 to 15 minutes	17	17	$20.00	$19.15
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$223.13	$223.13
93880 Ultrasound of both sides of head and neck blood flow	15	15	$300.00	$206.70

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	352	176	$135.28	$113.51
99442 Telephone medical discussion with physician, 11-20 minutes	109	90	$125.00	$78.36
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	100	100	$195.00	$119.76
G0444 Annual depression screening, 5 to 15 minutes	87	87	$20.00	$18.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	63	49	$189.60	$152.78
99497 Advance care planning, first 30 minutes	54	53	$125.00	$89.84
93000 Routine ekg using at least 12 leads including interpretation and report	36	34	$75.00	$17.94
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	34	19	$100.00	$55.47
93880 Ultrasound of both sides of head and neck blood flow	25	25	$300.00	$204.40
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	20	20	$400.00	$207.71
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$87.22	$78.00
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$195.00	$194.27
99441 Telephone medical discussion with physician, 5-10 minutes	13	12	$89.62	$45.75
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	12	12	$125.00	$13.91

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	579	222	$125.12	$112.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	172	172	$195.17	$118.72
99213 Established patient office or other outpatient visit, typically 15 minutes	80	55	$85.00	$76.65
93000 Routine ekg using at least 12 leads including interpretation and report	56	54	$75.00	$17.75
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	34	34	$400.00	$206.38
93880 Ultrasound of both sides of head and neck blood flow	28	28	$300.00	$206.81
99495 Transitional care management services for problem of at least moderate complexity	27	21	$200.00	$168.52
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	23	13	$100.00	$54.94
G0444 Annual depression screening, 5 to 15 minutes	18	18	$18.89	$17.41

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	538	227	$132.17	$104.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	199	161	$207.16	$142.51
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	163	163	$204.69	$106.71
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	52	50	$418.27	$198.43
93000 Routine ekg using at least 12 leads including interpretation and report	36	34	$75.00	$16.73
93880 Ultrasound of both sides of head and neck blood flow	31	30	$335.48	$198.71
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	23	21	$356.52	$188.04
99496 Transitional care management services for problem of high complexity	13	13	$250.00	$226.13
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$96.92	$71.09
76700 Ultrasound of abdomen	12	11	$300.00	$119.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$214.58	$162.78
99495 Transitional care management services for problem of at least moderate complexity	12	11	$200.00	$159.42

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	467	234	$155.67	$103.57
99213 Established patient office or other outpatient visit, typically 15 minutes	237	186	$112.68	$71.09
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	155	155	$170.00	$111.10
93000 Routine ekg using at least 12 leads including interpretation and report	137	128	$75.00	$16.71
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	94	93	$400.00	$219.04
36415 Insertion of needle into vein for collection of blood sample	94	77	$25.00	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	94	84	$201.12	$140.22
93880 Ultrasound of both sides of head and neck blood flow	73	72	$500.00	$193.05
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	45	44	$450.00	$177.85
76700 Ultrasound of abdomen	25	24	$250.00	$118.54
76770 Complete ultrasound scan behind abdominal cavity	25	24	$250.00	$101.75
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$265.29	$201.82
93925 Ultrasound of leg arteries or artery grafts	12	12	$600.00	$244.49

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License FL ME73867

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.

Family Medicine - Adult Medicine

NUCC Taxonomy Code: 207QA0505X

State License FL ME0073867

The NUCC recommends this code not be used. Choose a more appropriate code.

Hospital & Practice Group Affiliations

Sg Medical Professional Pc

21067 Powerline Rd, Boca Raton, FL 334332313

Phone: 6317599920

Post Acute Clinical Services Pllc

620 Tom Hunter Rd, Charlotte, NC 282135511

Phone: 7042314571

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Gregory Boco , DPM

Podiatrist - Foot & Ankle Surgery

NPI 1386999548

Doctor of Podiatric Medicine

May Grace Rosenzweig , ARNP

Nurse Practitioner - Adult Health

NPI 1972581494

Advanced Registered Nurse Practitioner

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active August 24, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location August 24, 2011

Registered at 9878 CLINT MOORE ROAD, SUITE 202, BOCA RATON, FL 334961037 (Tel: 5614512454)

📍

Updated Business Mailing Address August 24, 2011

Registered at 9878 CLINT MOORE ROAD, SUITE 202, BOCA RATON, FL 334961037 (Tel: 5614512454)

👤

Provider Name / Credentials Updated August 24, 2011

Recorded as WILLIAM DEMARCHI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 24, 2011

Family Medicine (License #ME0073867 in FL)

🟢

Initial NPI Registration & Enumeration November 18, 2005

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: 1659353100

Entity Type:

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

Enumeration Date: November 18, 2005

Last Update: August 24, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

9878 Clint Moore Road, Suite 202

Boca Raton, FL 334961037

Phone: 5614512454

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.