MICHAEL J SANTIAGO M.D.
NPI 1649254111
Hospitalist in Phoenix, AZ

Active since November 30, 2005PECOS EnrolledAccepts Medicare Assignment
78.58/100
CMS Quality Rating
5777 E MAYO BLVD, PHOENIX, AZ 85054(480) 301-8000 Get Directions Write a Review

NPPES record last updated: October 8, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 8, 2020, May 15, 2018 (2 updates tracked since 2018).

About Michael J Santiago M.d. NPPES

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

MICHAEL J SANTIAGO M.D. (NPI 1649254111) is an individual hospitalist provider in Phoenix, Arizona, licensed in Arizona (28913) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1985).

NPPES Registry Identity

NPI1649254111
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMICHAEL J SANTIAGOCredential: M.D.
Location Address5777 E MAYO BLVDPhoenix, AZ 85054-4502
Mailing Address5777 E Mayo BlvdPhoenix, AZ 85054-4502 · (480) 342-1387
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1985
Enumeration DateNovember 30, 2005
Last NPPES UpdateOctober 8, 20202 updates tracked since enumeration
NPPES CertifiedOctober 8, 2020
NPI 1649254111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses Licensed in AZ · 28913 Licensed in CA · 60318
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
5777 E MAYO BLVD, Phoenix, AZ 85054

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

Michael J Santiago 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 ID3274664461
PECOS Enrollment IDI20100702000302
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
472 services187 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
127 services123 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
48 services28 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85054 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.

78.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.05
Promoting Interoperability100
Improvement Activities40
Cost59.56

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers29 claims29 services$15.04 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers33 claims33 services$72.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Orthopaedic Surgery
5777 E MAYO BLVD
PHOENIX, AZ 85054
Physician Assistant
5777 E MAYO BLVD
PHOENIX, AZ 85054
Radiology (Diagnostic Radiology)
5777 E MAYO BLVD
PHOENIX, AZ 85054
Social Worker
5777 E MAYO BLVD
PHOENIX, AZ 85054
Clinical Nurse Specialist
5777 E MAYO BLVD
PHOENIX, AZ 85054
Emergency Medicine
5777 E MAYO BLVD
PHOENIX, AZ 85054
Physician Assistant
5777 E MAYO BLVD
PHOENIX, AZ 85054
Radiology (Diagnostic Radiology)
5777 E MAYO BLVD
PHOENIX, AZ 85054

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 Michael Santiago's NPI number?

The NPI number for Michael Santiago is 1649254111. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Michael Santiago located?

Michael Santiago practices at 5777 E Mayo Blvd, Phoenix, AZ 85054. The listed phone number is (480) 301-8000.

What is Michael Santiago's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Michael Santiago enrolled in Medicare?

Yes. Michael Santiago 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.

When was this NPI record last updated?

The NPPES record for Michael Santiago was last updated on October 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.