Doctor profile · Federal record

Dr. Stephen Waterbrook, M.D.

Surgery Physician · Grass Valley, CA

  • NPI 1558564872
  • MIPS 30.0 / 100 · 2023
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Catherine Ln, Suite J
Grass Valley, CA 959455719
(530) 272-2257
fax (530) 272-6977
Mailing address
150 Catherine Ln Ste J
Grass Valley, CA 959455719

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 15, 2022
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A94355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558564872. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
509
Distinct HCPCS
10
Medicare allowed
$66,821
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 123 75 $83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 68 34 $81
99214 Established patient office or other outpatient visit, 30-39 minutes 61 56 $129
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $169
11042 Removal of skin and tissue, 20.0 sq cm or less 52 16 $61
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 36 $177
99203 New patient office or other outpatient visit, 30-44 minutes 33 33 $112
99205 New patient office or other outpatient visit, 60-74 minutes 21 21 $217
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 19 $132
99215 Established patient office or other outpatient visit, 40-54 minutes 17 16 $186

In context: peer comparison

Among 2 peers in this city , average services per provider: 39. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
59
Total drug cost
$479
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 44 39 $277
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 28 20 $202

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Waterbrook's medical specialty?
Dr. Stephen Waterbrook practices Surgery Physician in Grass Valley, CA.
Where does Dr. Stephen Waterbrook practice?
Dr. Stephen Waterbrook practices at 150 Catherine Ln, Grass Valley, CA 959455719. Office phone: 5302722257.
What is Dr. Stephen Waterbrook's NPI?
Dr. Stephen Waterbrook's National Provider Identifier (NPI) is 1558564872, issued by NPPES.
What procedures does Dr. Stephen Waterbrook commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.