ROBERT MAHER
NPI 1326498965
Surgery in Phoenix, AZ

Q: What is Robert Maher's NPI number?

The NPI number for Robert Maher is 1326498965. It was assigned to this individual provider in the NPPES registry on June 14, 2016.

Q: What is Robert Maher's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Robert Maher was last updated on June 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.

Active since June 14, 2016PECOS EnrolledAccepts Medicare Assignment

81.43/100

CMS Quality Rating

925 E MCDOWELL RD, DEPARTMENT OF SURGERY, PHOENIX, AZ 85006(602) 839-3339(602) 839-3300 Get Directions Write a Review

NPPES record last updated: June 14, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Robert Maher NPPES

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

ROBERT MAHER (NPI 1326498965) is an individual surgery provider in Phoenix, Arizona, licensed in Arizona (R75803) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with St Peters Health, and is a graduate of Wayne State University School Of Medicine (2016).

NPPES Registry Identity

NPI1326498965

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameROBERT MAHER

Location Address925 E MCDOWELL RD, DEPARTMENT OF SURGERYPhoenix, AZ 85006-2502

Mailing Address925 E Mcdowell Rd, Department Of SurgeryPhoenix, AZ 85006-2502 · (602) 839-3339 · Fax (602) 839-3300

Phone(602) 839-3339

Fax(602) 839-3300

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 2016

Enumeration DateJune 14, 2016

✔ NPI 1326498965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in AZ · R75803

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.

925 E MCDOWELL RD, Phoenix, AZ 85006

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Providence Health Plan.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

Robert Maher 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 ID4880099696

PECOS Enrollment IDI20210817002379

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 Reassignment

Medicare enrollment records show Robert Maher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Peter's Health

887 mi

Family Medicine

515 SOUTH FRONT ST
Townsend, MT 59644

Reassigned Medicare billing, Montana enrollment
Medicare enrollment name: St Peters Health
304 clinicians in this Medicare group

NPI 1174165682 (406) 457-4180

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 11

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

67 services52 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

47 services47 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

31 services25 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

25 services25 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

23 services22 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

21 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

20 services20 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

18 services18 patients

Repair of groin hernia using an endoscope 49650

This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.

15 services15 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

13 services11 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Peters Health

Acute Care Hospitals · Helena, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270003

Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 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.

81.43/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.22

Promoting Interoperability

100

Improvement Activities

Cost

64.88

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.

TANIDA BROWN M.D.

Psychiatry & Neurology (Psychiatry)

925 E MCDOWELL RD
PHOENIX, AZ 85006

Maricopa County (602) 839-6880

ERIC M REIMAN M.D.

Psychiatry & Neurology (Psychiatry)

925 E MCDOWELL RD, 4TH FLOOR
PHOENIX, AZ 85006

Maricopa County (602) 239-6800

THOMAS JOSEPH LOSS MD

Internal Medicine (Hematology & Oncology)

925 E MCDOWELL RD
PHOENIX, AZ 85006

Maricopa County (602) 521-3700

SAMANTHA VALERIE ETIENNE MD

Internal Medicine (Hematology & Oncology)

925 E MCDOWELL RD
PHOENIX, AZ 85006

Maricopa County (804) 256-6444

DR. SAM JACKSON M.D.

Emergency Medicine

925 E MCDOWELL RD, FLOOR 2
PHOENIX, AZ 85006

Maricopa County (602) 239-2280

PHILLIP STANDEN D.O.

Anesthesiology

925 E MCDOWELL RD
PHOENIX, AZ 85006

Maricopa County (602) 839-3339

DEESHA PRASHANT PARMAR PA-C

Physician Assistant

925 E MCDOWELL RD
PHOENIX, AZ 85006

Maricopa County (602) 521-3700

TERRENCE J LOFTUS MD

Surgery

925 E MCDOWELL RD
PHOENIX, AZ 85006

Maricopa County (602) 239-2391

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 Robert Maher's NPI number?

The NPI number for Robert Maher is 1326498965. It was assigned to this individual provider in the NPPES registry on June 14, 2016.

Where is Robert Maher located?

Robert Maher practices at 925 E Mcdowell Rd Department Of Surgery, Phoenix, AZ 85006. The listed phone number is (602) 839-3339.

What is Robert Maher's specialty?

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

Is Robert Maher enrolled in Medicare?

Yes. Robert Maher 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 organization bills Medicare for Robert Maher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Maher reassigns Medicare benefits to St. Peter's Health (Townsend, MT). The 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 Robert Maher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Maher accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and Providence Health Plan list Robert Maher 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.

Is Robert Maher affiliated with any hospitals?

According to CMS data, Robert Maher is affiliated with St Peters Health.

When was this NPI record last updated?

The NPPES record for Robert Maher was last updated on June 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.