Active NPI 1255505764 Individual Practitioner Male Practitioner

Dr. William G Stone , MD

Surgery • Sonora, CA

Professional Overview & Biography Verified Profile Summary

Dr. William Stone, MD is a registered healthcare professional specializing in Surgery in Sonora, CA. Practice services are available at 900 GREENLEY RD 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, initial hospital care with moderate level of medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

900 Greenley Rd

Sonora, CA 953705287

Telephone 6055933688

Associated Practice Facility / Clinic

🏢 Sonora Community Hospital Facility NPI 1003807066

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Sonora, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 33.4 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

8 Specialists

Practicing in Sonora, CA (3346 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

51.6% 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	50	32	$161.00	$77.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	40	$353.00	$170.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	34	$264.00	$127.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	30	21	$100.00	$48.60

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	27	17	$145.00	$79.88
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	24	16	$208.00	$120.16
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$403.00	$175.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$193.22	$85.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	20	$148.74	$72.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	23	$399.00	$201.15
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	11	$203.57	$103.48
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	16	$124.70	$39.35
99213 Established patient office or other outpatient visit, typically 15 minutes	20	18	$94.40	$68.89
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	17	17	$1204.00	$260.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$286.00	$138.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	103	103	$182.76	$85.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	32	$380.00	$203.61
99213 Established patient office or other outpatient visit, typically 15 minutes	33	30	$89.00	$69.11
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	22	$142.00	$73.08
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	24	24	$1147.00	$260.23
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	22	22	$3676.00	$340.20
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	14	$194.00	$105.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$258.00	$139.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	12	$165.86	$102.19
46600 Diagnostic examination of the anus using an endoscope	13	12	$85.54	$41.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$172.00	$79.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$172.00	$78.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$362.00	$211.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	13	$135.00	$75.89
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	15	15	$3314.27	$323.07
99441 Telephone medical discussion with physician, 5-10 minutes	11	11	$58.00	$26.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99221 Initial hospital inpatient care per day, typically 30 minutes	41	40	$196.65	$97.42
99213 Established patient office or other outpatient visit, typically 15 minutes	33	27	$143.81	$72.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$211.25	$105.42
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	26	25	$1215.74	$251.06
36821 Relocation of arm vein with connection to arm artery, open procedure	13	13	$1609.76	$623.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$991.44	$74.24

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	60	18	$141.51	$67.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$211.25	$100.91
99221 Initial hospital inpatient care per day, typically 30 minutes	40	39	$196.65	$92.53
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	33	33	$1215.74	$244.80
36821 Relocation of arm vein with connection to arm artery, open procedure	22	22	$1609.76	$595.98
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$991.44	$107.81
99213 Established patient office or other outpatient visit, typically 15 minutes	15	14	$148.35	$69.47
45380 Biopsy of large bowel using an endoscope	11	11	$1165.09	$96.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99221 Initial hospital inpatient care per day, typically 30 minutes	31	29	$196.65	$97.35
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	30	30	$1215.74	$251.12
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	26	25	$991.44	$109.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$211.25	$104.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	12	$141.51	$70.12
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$143.81	$71.37
36821 Relocation of arm vein with connection to arm artery, open procedure	19	16	$1609.76	$612.60
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	14	14	$938.26	$181.33
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$937.94	$181.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$211.97	$105.32

Medical Specialties & State Licenses

CMS Verified: 2022-04-30

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA C167208

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License SD 8495

Practice Associates & Co-Workers

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

13 Associated Practitioners

Edman Fuentes , PA-C

Physician Assistant - Surgical

NPI 1013988955

Physician Assistant (Certified)

Dr. Kevin Orca , PharmD

Pharmacist

NPI 1053756916

Doctor of Pharmacy (Pharm.D.)

Dr. Terril Spitze , MD

Internal Medicine

NPI 1093791451

Doctor of Medicine (M.D.)

Dr. James Comazzi , MD

Specialist

NPI 1144268392

Doctor of Medicine (M.D.)

Joanne Rios , CNS

Clinical Nurse Specialist

NPI 1174583918

Clinical Nurse Specialist

Dr. Shalom Margolis , MD

Specialist

NPI 1215976576

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2022

Surgery (License #8495 in SD)

📍

Updated Practice Location August 13, 2020

Registered at 900 GREENLEY RD, SONORA, CA 953705287 (Tel: 6055933688)

📍

Updated Business Mailing Address August 13, 2020

Registered at 18200 OLD WARDS FERRY ROAD, SONORA, CA 95370 (Tel: 6055933688)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 13, 2020

Surgery (License #C167208 in CA)

📍

Updated Practice Location September 23, 2019

Registered at 904 QUINCY ST, # 2, RAPID CITY, SD 577012608 (Tel: 6057915553)

✅

NPI Profile Active July 13, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 13, 2016

Registered at 2805 5TH ST, 100, RAPID CITY, SD 577017306 (Tel: 6057195700)

📍

Updated Business Mailing Address July 13, 2016

Registered at 904 QUINCY ST, # 2, RAPID CITY, SD 577012608

👤

Provider Name / Credentials Updated July 13, 2016

Recorded as WILLIAM STONE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 13, 2016

Surgery (License #8495 in SD)

🟢

Initial NPI Registration & Enumeration April 15, 2008

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: 1255505764

Entity Type:

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

Enumeration Date: April 15, 2008

Last Update: April 30, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

18200 Old Wards Ferry Road

Sonora, CA 95370

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.