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MARK V MAZZIOTTI MD
NPI 1306809918
Surgery - Pediatric Surgery in Houston, TX

Active since April 07, 2006PECOS EnrolledAccepts Medicare Assignment
6621 FANNIN ST, CC650 00, HOUSTON, TX 77030(832) 822-3135(832) 825-3141 Get Directions Write a Review

NPPES record last updated: August 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 8, 2021, Mar 17, 2018 (2 updates tracked since 2018).

About Mark V Mazziotti Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK V MAZZIOTTI MD (NPI 1306809918) is an individual pediatric surgery provider in Houston, Texas, licensed in Texas (L2453) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1306809918
Entity TypeIndividualMale
Primary Taxonomy2086S0120X
Provider Legal NameMARK V MAZZIOTTICredential: MD
Location Address6621 FANNIN ST, CC650 00Houston, TX 77030-2303
Mailing Address2 Greenway Plaza, Suite 910Houston, TX 77046 · (713) 798-1750 · Fax (713) 798-1144
Phone(832) 822-3135
Fax(832) 825-3141
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateApril 7, 2006
Last NPPES UpdateAugust 29, 20252 updates tracked since enumeration
NPPES CertifiedAugust 27, 2025
✔ NPI 1306809918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
Licenses✔ Licensed in TX · L2453✔ Licensed in MT · MED-PHYS-LIC-100462✔ Licensed in OK · 30540✔ Licensed in AZ · 75493
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
6621 FANNIN ST, Houston, TX 77030
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1202 Conway Dr Ste 200Kalispell, MT 59901-3153 · Phone (406) 758-7490 · Fax (406) 758-7080
Location 21625 N Campbell AveTucson, AZ 85719-4330 · Phone (520) 626-7726 · Fax (520) 626-3464

Other Identifiers 3

Medicaid112545202TX
Medicaid200122410AOK
Medicaid154947902TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark V Mazziotti Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901805571
PECOS Enrollment IDI20061207000484
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Mark Mazziotti reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Children's Physician Group
Same address
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
NPI 1861675506 (832) 824-1000
Baylor College Of Medicine
0.2 mi
Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
NPI 1104867175 (713) 798-2500
Banner-University Medical Group
927 mi
Nutrition, Education
8290 S HOUGHTON RD STE 150
Tucson, AZ 85747
  • Reassigned Medicare billing, Arizona enrollment
  • 1,514 clinicians in this Medicare group
NPI 1508673682 (520) 874-3111
Kalispell Regional Medical Center Inc
1,592 mi
Family Medicine
106 RIDGEWATER DR STE A
Polson, MT 59860
  • Reassigned Medicare billing, Montana enrollment
  • 483 clinicians in this Medicare group
NPI 1528386802 (406) 883-3200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TAKETO BABA M.D.
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
ZACHARY FOUGHTY
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1173
ASHIRA MORGAN KLEIN MD
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
CINDY ANN MILLER PT
Physical Therapist
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 826-1000
JENNA AUSTIN DAVIS PA-C
Physician Assistant
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (804) 955-7043
RONALD EASLEY M.D.
Anesthesiology
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
DENNIS BIER MD
Pediatrics (Pediatric Endocrinology)
6621 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 798-7022
DR. DONALD WILLIAMS PARSONS M.D., PH.D.
Pediatrics (Pediatric Hematology-Oncology)
6621 FANNIN ST, MC 3-3320
HOUSTON, TX 77030
Harris County (832) 822-4556

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Mazziotti's NPI number?

The NPI number for Mark Mazziotti is 1306809918. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Where is Mark Mazziotti located?

Mark Mazziotti practices at 6621 Fannin St Cc650 00, Houston, TX 77030. The listed phone number is (832) 822-3135.

What is Mark Mazziotti's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Mark Mazziotti enrolled in Medicare?

Yes. Mark Mazziotti is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mark Mazziotti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mazziotti reassigns Medicare benefits to 4 organizations: Texas Children's Physician Group (Houston, TX), Baylor College Of Medicine (Houston, TX), Banner-University Medical Group (Tucson, AZ) and Kalispell Regional Medical Center Inc (Polson, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Mazziotti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Mazziotti accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and CommunityCare and 5 other insurers list Mark Mazziotti as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Mazziotti was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.