Doctor profile · Federal record

Dr. Mai Brooks, MD

Surgical Oncology Physician (CMS: General Surgery) · Thousand Oaks, CA

  • NPI 1952315640
  • Accepts Medicare
  • MIPS 63.8 / 100 · 2023
  • 38 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2190 Lynn RD, Suite 200
Thousand Oaks, CA 913601980
(805) 379-4677
fax (805) 495-1829

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 24, 2008
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
California #G81443
Medicaid
CA #00G814430

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952315640. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,148
Distinct HCPCS
10
Medicare allowed
$273,010
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 535 377 $192
99214 Established patient office or other outpatient visit, 30-39 minutes 177 158 $137
99205 New patient office or other outpatient visit, 60-74 minutes 124 124 $234
14000 Repair of wound of trunk by transferring skin, 10.0 sq cm or less 85 75 $348
19301 Partial removal of breast 66 57 $669
38525 Biopsy or removal of deep lymph nodes of underarm 43 43 $244
99204 New patient office or other outpatient visit, 45-59 minutes 43 43 $178
19125 Removal of growth of breast identified by x-ray marker, first growth 29 28 $284
10160 Aspiration of abscess, blood, or cyst 21 15 $143
38900 Imaging of lymph nodes during surgery 14 14 $138

In context: peer comparison

Among 2 peers in Thousand Oaks Surgical Oncology Physician, average services per provider: 85. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
382
Patients
290
Total drug cost
$1,951
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 107 92 $398
Cephalexin Generic 85 68 $464
Ondansetron Hcl Generic 76 67 $261
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 32 18 $175
Clindamycin Hcl Generic 21 12 $102
Ondansetron Odt (Ondansetron) Brand 19 18 $108
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 18 15 $72
Gabapentin Generic 13 0 $126
Doxycycline Hyclate Generic 11 0 $245

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mai Brooks's medical specialty?
Dr. Mai Brooks practices Surgical Oncology Physician in Thousand Oaks, CA.
Where does Dr. Mai Brooks practice?
Dr. Mai Brooks practices at 2190 Lynn RD, Thousand Oaks, CA 913601980. Office phone: 8053794677.
What is Dr. Mai Brooks's NPI?
Dr. Mai Brooks's National Provider Identifier (NPI) is 1952315640, issued by NPPES.
Does Dr. Mai Brooks accept Medicare assignment?
Yes. Dr. Mai Brooks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mai Brooks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.