MARK BURRELL BAZALGETTE, MD — NPI 1891806014 (Board-Certified Colorectal Surgeon (Hemorrhoids, Fistula & Colon Specialist) in NOVATO, CA)

CMS-1500 Box 24J / 33a • NPI

1891806014

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

208C00000X (CMS 02)

Board-Certified Colorectal Surgeon (Hemorrhoids, Fistula & Colon Specialist)

Box 32 Service Location & ZIP+4

165 ROWLAND WAY STE 200, NOVATO, CA, 94945-5055

✓ 9-Digit EDI 837 ZIP+4 (94945-5055)

Practice Phone & Referral Fax

(415) 827-0344

Fax: (415) 924-2661

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1891806014 (MARK BURRELL BAZALGETTE, MD) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

This practitioner does not currently appear in the CMS individual Order & Referring PECOS file (may practice in pediatrics, commercial-only networks, or hospital-employed settings).

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1891806014` (NPI-1 Individual Practitioner)
Provider / Legal Name	MARK BURRELL BAZALGETTE, MD
Plain-English Specialty	Board-Certified Colorectal Surgeon (Hemorrhoids, Fistula & Colon Specialist) NUCC Code: `208C00000X` (Colon & Rectal Surgery)
Certifying / Licensing Body	American Board of Colon and Rectal Surgery (ABCRS)
Practice Location Address	165 ROWLAND WAY STE 200, NOVATO, CA, 94945-5055
Practice Telephone / Fax	Tel: (415) 827-0344 \| Fax: (415) 924-2661
Administrative Mailing Address	5 BON AIR RD, LARKSPUR, CA, 94939-1143
Enumeration & Last Sync	Enumerated: 2006-08-31 \| CMS Record Updated: 2020-01-22

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

165 ROWLAND WAY STE 200, NOVATO, CA, 94945-5055

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Plain-English Taxonomy & CMS Crosswalk (208C00000X)

What Does Taxonomy Code 208C00000X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 208C00000X translates to:
"Board-Certified Colorectal Surgeon (Hemorrhoids, Fistula & Colon Specialist)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 02 (Physician/General Surgery) • CMS Code 28 (Physician/Colorectal Surgery (Proctology))
Certifying / Accrediting Authority: American Board of Colon and Rectal Surgery (ABCRS)
Clinical Scope: Grade II–IV internal or thrombosed external hemorrhoids, painless bright red rectal bleeding, anal fissures, perianal abscess/fistula, or colon surgery.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (MARK BURRELL BAZALGETTE, MD)

Typical CPT / Diagnostic Procedures:

Diagnostic Anoscopy & Rigid/Flexible Sigmoidoscopy (CPT 46600)
Rubber Band Ligation of Internal Hemorrhoids (CPT 46221)
Excisional Hemorrhoidectomy, Fistulotomy & Lateral Internal Sphincterotomy
Laparoscopic & Robotic Colectomy for Colorectal Neoplasia

Common Therapeutic Classes:

Topical Hydrocortisone, Pramoxine & Nifedipine/Diltiazem Anorectal Ointments
Micronized Purified Flavonoid Fraction (Diosmin/Hesperidin) & Psyllium Fiber
Preoperative Oral Antibiotic Bowel Preparation Regimens

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`208C00000X` — Colon & Rectal Surgery Plain English: Board-Certified Colorectal Surgeon (Hemorrhoids, Fistula & Colon Specialist)	State: CA \| License: `A46290` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

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MARK BURRELL BAZALGETTE, MD (NPI #1891806014)