Doctor profile · Federal record

Dr. Mark Bazalgette, MD

Colon & Rectal Surgery Physician · Novato, CA

  • NPI 1891806014
  • MIPS 19.7 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
165 Rowland Way Ste 200
Novato, CA 949455055
(415) 827-0344
fax (415) 924-2661
Mailing address
5 Bon Air RD, Suite 101
Larkspur, CA 949391143

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 22, 2020
Specialty taxonomy
208C00000X — NUCC code
State license (1)
California #A46290
Medicaid
CA #00A462900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891806014. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
472
Distinct HCPCS
9
Medicare allowed
$106,420
HCPCS Description Services Patients Avg allowed
46221 Removal of external hemorrhoids by rubber banding 145 91 $355
99213 Established patient office or other outpatient visit, 20-29 minutes 107 90 $107
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 56 55 $266
99203 New patient office or other outpatient visit, 30-44 minutes 39 39 $132
45380 Biopsy of large bowel using a flexible endoscope 33 33 $135
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 32 32 $203
46930 Destruction of internal hemorrhoids using heat 26 19 $251
46600 Diagnostic exam of anus using an endoscope 20 19 $157
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 14 14 $203

In context: peer comparison

Among 1 peers in Novato Colon & Rectal Surgery Physician, average services per provider: 52. This provider delivers 9.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
61
Total drug cost
$5,094
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 62 61 $5,023
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 0 $70

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Bazalgette's medical specialty?
Dr. Mark Bazalgette practices Colon & Rectal Surgery Physician in Novato, CA.
Where does Dr. Mark Bazalgette practice?
Dr. Mark Bazalgette practices at 165 Rowland Way Ste 200, Novato, CA 949455055. Office phone: 4158270344.
What is Dr. Mark Bazalgette's NPI?
Dr. Mark Bazalgette's National Provider Identifier (NPI) is 1891806014, issued by NPPES.
What procedures does Dr. Mark Bazalgette commonly perform?
Top Medicare-reported procedures in 2023: Removal of external hemorrhoids by rubber banding (HCPCS 46221); Established patient office or other outpatient visit (HCPCS 99213); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.