MARIA R BROWN MD
NPI 1699113696
Surgery in Mesa, AZ

Active since June 12, 2013PECOS EnrolledAccepts Medicare Assignment
95.75/100
CMS Quality Rating
1830 S ALMA SCHOOL RD STE 108, MESA, AZ 85210(602) 603-2458(602) 603-2469 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 1, 2025, Aug 15, 2024, Jun 20, 2024 and 3 more (6 updates tracked since 2019).

About Maria R Brown Md NPPES

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

MARIA R BROWN MD (NPI 1699113696) is an individual surgery provider in Mesa, Arizona, licensed in Arizona (58178) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1699113696
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameMARIA R BROWNCredential: MD
Location Address1830 S ALMA SCHOOL RD STE 108Mesa, AZ 85210-3086
Mailing AddressPo Box 20490Mesa, AZ 85277-0490 · (480) 985-1093 · Fax (480) 296-7665
Fax(602) 603-2469
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJune 12, 2013
Last NPPES UpdateDecember 1, 20256 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1699113696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in AZ · 58178
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1830 S ALMA SCHOOL RD STE 108, Mesa, AZ 85210

Accepted 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

Maria R Brown 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 ID3173767308
PECOS Enrollment IDI20191031002495
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

3

Medicare enrollment records show Maria Brown reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
1830 S ALMA SCHOOL RD STE 108
Mesa, AZ 85210
  • Reassigned Medicare billing, Arizona enrollment
Surgery
2320 N 3RD ST
Phoenix, AZ 85004
  • Reassigned Medicare billing, Arizona enrollment
  • 105 clinicians in this Medicare group
Surgery
5240 E KNIGHT DR STE 116
Tucson, AZ 85712
  • Reassigned Medicare billing, Arizona enrollment
  • 7 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability95
Improvement Activities40

Other Providers at the Same Location NPPES 9

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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Clinic/Center (Medical Specialty)
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Perfusionist
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Perfusionist
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Perfusionist
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Perfusionist
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210
Perfusionist
1830 S ALMA SCHOOL RD STE 108
MESA, AZ 85210

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 Maria Brown's NPI number?

The NPI number for Maria Brown is 1699113696. It was assigned to this individual provider in the NPPES registry on June 12, 2013.

Where is Maria Brown located?

Maria Brown practices at 1830 S Alma School Rd Ste 108, Mesa, AZ 85210. The listed phone number is (602) 603-2458.

What is Maria Brown's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Maria Brown enrolled in Medicare?

Yes. Maria Brown 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 Maria Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Brown reassigns Medicare benefits to 3 organizations: Valley Bariatric PLLC (Mesa, AZ), Arizona Advanced Surgery LLC (Phoenix, AZ) and Agave Surgical Associates PC (Tucson, AZ). 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 Maria Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Brown accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Maria Brown 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 Maria Brown was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.