Active NPI 1558564872 Individual Practitioner Male Practitioner

Dr. Stephen Kenton Waterbrook , MD

Surgery • Grass Valley, CA

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Waterbrook, MD is a registered healthcare professional specializing in Surgery in Grass Valley, CA. Practice services are available at 150 CATHERINE LN under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, 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

150 Catherine Ln
Suite J

Grass Valley, CA 959455719

Telephone 5302722257

Fax 5302726977

Associated Practice Facility / Clinic

🏢 Newsom & Fitzpatrick Medical Group Inc Facility NPI 1245251495

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Grass Valley, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 34.3 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

6 Specialists

Practicing in Grass Valley, CA (3346 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

56.0% 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 (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	123	75	$188.21	$83.05
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	68	34	$145.00	$80.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	56	$267.00	$128.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$347.00	$169.17
11042 Removal of skin and tissue, 20.0 sq cm or less	52	16	$276.21	$60.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	37	36	$403.00	$176.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$233.00	$112.05
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$446.70	$216.59
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	19	$274.00	$132.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	16	$364.93	$185.66
49505 Repair of groin hernia (5 years or older)	12	12	$1212.67	$592.47
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$901.00	$286.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	205	124	$188.94	$88.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	118	54	$145.10	$72.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	106	106	$347.99	$169.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	103	103	$233.00	$113.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	91	80	$266.74	$132.60
11042 Removal of skin and tissue, 20.0 sq cm or less	61	23	$278.74	$64.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	52	51	$403.62	$201.26
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$274.27	$137.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	24	$118.00	$56.51
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	25	25	$1461.84	$731.06
49505 Repair of groin hernia (5 years or older)	20	20	$1183.20	$600.61
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	20	20	$458.00	$228.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	12	$376.00	$187.30
55520 Removal of spermatic cord growth	14	14	$939.79	$276.47
49905 Repair of abdomen using abdominal lining graft	12	12	$703.67	$351.73
49507 Repair of trapped groin hernia patient age 5 years or older	11	11	$1200.00	$600.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	181	102	$185.93	$84.28
99183 Management and supervision of oxygen chamber therapy per session	120	13	$232.43	$110.91
11042 Removal of skin and tissue, 20.0 sq cm or less	104	31	$276.95	$61.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	97	73	$264.51	$132.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$234.71	$112.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	75	36	$146.07	$73.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	64	$347.50	$171.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	45	$404.04	$205.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	25	$115.25	$46.59
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	31	31	$454.90	$228.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$276.00	$134.75
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	18	$363.45	$187.74
55520 Removal of spermatic cord growth	19	19	$952.11	$260.90
19301 Partial removal of breast	19	15	$1354.84	$669.58
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	18	18	$1460.00	$735.71
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	14	$902.33	$241.54
49505 Repair of groin hernia (5 years or older)	13	13	$1133.62	$599.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	156	93	$159.49	$66.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	155	52	$148.01	$75.51
11042 Removal of skin and tissue, 20.0 sq cm or less	89	31	$271.00	$63.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	87	87	$228.27	$108.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	70	$236.56	$110.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	77	68	$410.03	$210.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$330.18	$167.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$426.62	$214.12
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	23	23	$1452.33	$663.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	20	$308.17	$147.51
19301 Partial removal of breast	20	18	$1243.52	$654.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	19	$97.30	$39.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$275.34	$143.22
55520 Removal of spermatic cord growth	12	12	$935.98	$257.71
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$835.08	$228.47
49525 Repair of sliding groin hernia	12	12	$1394.67	$699.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	193	99	$156.44	$64.17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	169	51	$149.48	$74.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	109	89	$225.38	$109.61
11042 Removal of skin and tissue, 20.0 sq cm or less	94	32	$285.15	$63.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	93	93	$228.77	$108.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	76	73	$420.50	$207.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	62	62	$348.14	$166.62
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	47	47	$429.24	$204.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	34	25	$302.60	$148.23
47562 Removal of gallbladder using an endoscope	27	27	$1349.37	$627.54
49505 Repair of groin hernia (5 years or older)	23	23	$1169.95	$555.39
19301 Partial removal of breast	18	18	$1333.58	$622.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	12	$92.02	$38.10
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	13	13	$900.16	$217.63
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	12	12	$181.48	$19.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	291	117	$153.10	$62.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	91	71	$225.39	$107.00
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	89	43	$149.48	$73.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$225.56	$103.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$341.58	$163.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	57	56	$418.78	$205.80
11042 Removal of skin and tissue, 20.0 sq cm or less	54	28	$247.56	$63.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	34	$302.60	$147.07
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	45	45	$429.24	$205.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	27	$92.02	$34.72
19301 Partial removal of breast	26	24	$1333.58	$631.05
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	11	$80.94	$39.68
38900 Lymph node imaging during surgery	23	23	$280.50	$136.31
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	23	23	$900.16	$237.19
47562 Removal of gallbladder using an endoscope	21	21	$1349.28	$607.12
49505 Repair of groin hernia (5 years or older)	20	20	$1113.40	$575.56
55520 Removal of spermatic cord growth	11	11	$936.22	$229.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	252	98	$151.38	$61.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	124	70	$214.04	$100.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	122	122	$334.05	$165.98
99183 Management and supervision of oxygen chamber therapy per session	99	12	$226.68	$111.41
11042 Removal of skin and tissue, 20.0 sq cm or less	88	29	$232.85	$62.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	70	34	$146.56	$73.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	57	57	$399.21	$203.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	56	51	$412.42	$206.11
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	56	45	$289.46	$147.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$226.26	$100.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	30	18	$215.63	$106.20
47562 Removal of gallbladder using an endoscope	15	15	$1305.05	$664.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	13	$282.41	$139.08
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	13	12	$167.24	$19.35
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	12	12	$25.09	$14.58
49505 Repair of groin hernia (5 years or older)	11	11	$1239.45	$574.79
38900 Lymph node imaging during surgery	11	11	$280.64	$138.01
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$900.66	$221.44

Medical Specialties & State Licenses

CMS Verified: 2022-11-15

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A94355

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Minor Ward , MD

Surgery

NPI 1487696464

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 16, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location April 16, 2015

Registered at 150 CATHERINE LN, SUITE J, GRASS VALLEY, CA 959455719 (Tel: 5302722257)

📍

Updated Business Mailing Address April 16, 2015

Registered at 150 CATHERINE LN STE J, GRASS VALLEY, CA 959455719 (Tel: 5302722257)

👤

Provider Name / Credentials Updated April 16, 2015

Recorded as STEPHEN WATERBROOK, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 16, 2015

Surgery (License #A94355 in CA)

🟢

Initial NPI Registration & Enumeration June 06, 2007

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: 1558564872

Entity Type:

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

Enumeration Date: June 06, 2007

Last Update: November 15, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

150 Catherine Ln Ste J

Grass Valley, CA 959455719

Phone: 5302698191

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.