● Active Type 1 · Individual

Mark V Mazziotti, MD

Surgery·Houston, TX· NPI 1306809918 · Enumerated 2006 · 20 years on NPI

Mazziotti is 1 of 32 surgery providers in Houston and 1 of 138 in Texas.

NPI age

20 years

Enumerated 2006-04-07

Primary specialty

Surgery

Plus 3 subspecialties

Licensed in

TX, MT, OK, AZ

4 states

Status

Active

No deactivations on record

Last NPPES update

2025-08-29

Source: monthly bulk 2026-05

Sole proprietor

May be part of a larger org

How this provider compares

Across 138 active surgery providers in Texas.

NPI age

20 years

↑ 2 yr above median (18 yr)

State licenses

4 states

Top 62% — 37% of peers are multi-state

Subspecialties

58% of peers hold subspecialties

NPI lifetime · 2006 → 2026

2006-04Enumerated in NPPES

2006 2026

Where they practice

Practice location

6621 Fannin St, Cc650 00

Houston, TX 770302303

📞 8328223135fax 8328253141

Mailing address

2 Greenway Plaza, Suite 910

Houston, TX 77046

📞 7137981750fax 7137981144

Additional practice locations

2 secondary locations on file with NPPES.

Location 2

202 Conway Dr Ste 200

Kalispell, MT 599013153

📞 4067587490fax 4067587080

Location 3

1625 N Campbell Ave

Tucson, AZ 857194330

📞 5206267726fax 5206263464

Specialties

Allopathic & Osteopathic Physicians › Surgery

Surgery Primary

A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

TX license #L2453MT license #MED-PHYS-LIC-100462OK license #30540AZ license #75493 taxonomy 2086S0120X

Identifiers

Type	Value	Notes
05 (TX)	112545202
05 (OK)	200122410A
05 (TX)	154947902

Multi-state credentialing: Licensed in 4 states. Useful context for credentialers building cross-state provider networks.

Practice context

Part of a multi-provider practice. 802 other active providers share this practice address in NPPES.

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.