DR. MICHAEL R. MILLS M.D.
NPI 1811948359
Internal Medicine - Gastroenterology in Phoenix, AZ

Q: What is Michael Mills's NPI number?

The NPI number for Michael Mills is 1811948359. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Q: What is Michael Mills's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Michael Mills was last updated on February 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 May 12, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

349 E CORONADO RD, PHOENIX, AZ 85004(602) 266-5678(602) 264-5646 Get Directions Write a Review

NPPES record last updated: February 17, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Michael R. Mills M.d. NPPES

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

DR. MICHAEL R. MILLS M.D. (NPI 1811948359) is an individual gastroenterology provider in Phoenix, Arizona, licensed in Arizona (23704) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (1991).

NPPES Registry Identity

NPI1811948359

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MICHAEL R. MILLSCredential: M.D.

Location Address349 E CORONADO RDPhoenix, AZ 85004-1525

Mailing Address3020 E Camelback Rd, Suite 301Phoenix, AZ 85016-5059 · (602) 264-9100 · Fax (602) 264-9101

Phone(602) 266-5678

Fax(602) 264-5646

Sole ProprietorNo

Medical School CMSTulane University School Of MedicineGraduated 1991

Enumeration DateMay 12, 2006

Last NPPES UpdateFebruary 17, 2017

✔ NPI 1811948359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in AZ · 23704

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

349 E CORONADO RD, Phoenix, AZ 85004

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Other Identifiers 5

Other317047AZ · Group Medicaid Number

Medicare PIN120413AZ

Other120390AZ · Group Medicare Number

Medicare UPING22205AZ

Medicaid334417-05AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael R. Mills M.d. 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 ID3072410661

PECOS Enrollment IDI20041223000066

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.

Areas of Expertise CMS Part B claims 16

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 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.

421 services286 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.

137 services135 patients

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.

131 services117 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.

104 services104 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.

101 services101 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

85 services85 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

78 services78 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

This procedure involves placing a thin tube with an electrode through your nose and into your esophagus. It helps to monitor and record the function of your esophagus, aiding in diagnosing any potential issues.

69 services69 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

59 services58 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.

32 services32 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

27 services27 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.

25 services25 patients

Monitoring and recording of esophageal function through a capsule attached to the esophagus wall 91035

This procedure involves a small capsule being attached to your esophagus wall. It measures and records how your esophagus is functioning, helping to identify any potential issues. You won't feel the capsule and it will pass naturally through your system after a few days.

24 services23 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

20 services20 patients

Monitoring and recording of esophageal function through nasal tube 91034

This procedure involves the insertion of a thin tube through the nose and into the esophagus. It helps monitor and record esophageal function, including how well food and liquids move through it. It's a safe and effective way to detect potential issues.

19 services19 patients

Prolonged monitoring and recording of esophageal function through nasal tube with electrode 91038

This procedure involves the insertion of a thin, flexible tube through the nose into the esophagus. An electrode on the tube records esophageal activity over an extended period, helping to identify any functional issues.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85004 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

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.

75/100

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

Scored as part of a group practice

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims323 services$2.66 avg. paid by Medicare

Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims7,353 services$0.32 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 15

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

BRAIDEN CLARK FAIRBANKS PA-C

Physician Assistant