1. Home
  2. Directory
  3. Arizona
  4. Flagstaff
  5. Family Medicine
  6. NPI Profile

MICHAEL J FLORES M.D.
NPI 1588748875
Family Medicine in Flagstaff, AZ

Active since October 24, 2006PECOS EnrolledAccepts Medicare Assignment
1100 N SAN FRANCISCO STE E, FLAGSTAFF, AZ 86001(928) 774-3318(928) 774-3847 Get Directions Write a Review

NPPES record last updated: April 14, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael J Flores M.d. NPPES

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

MICHAEL J FLORES M.D. (NPI 1588748875) is an individual family medicine provider in Flagstaff, Arizona, licensed in Arizona (15978) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Great Falls Clinic Hospital, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1588748875
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMICHAEL J FLORESCredential: M.D.
Location Address1100 N SAN FRANCISCO STE EFlagstaff, AZ 86001-3260
Mailing Address1100 N San Francisco Ste EFlagstaff, AZ 86001-3260 · (928) 774-3318 · Fax (928) 774-3847
Phone(928) 774-3318
Fax(928) 774-3847
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateOctober 24, 2006
Last NPPES UpdateApril 14, 2010
✔ NPI 1588748875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in AZ · 15978
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1100 N SAN FRANCISCO STE E, Flagstaff, AZ 86001
Open in Google Maps ↗

Other Identifiers 4

Medicare UPIND36845AZ
Medicaid257627AZ
Medicare PINZ62351AZ
Other080010224AZ · Railroad Medicare Ptan

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.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

Michael J Flores 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 ID4183518525
PECOS Enrollment IDI20040211000779, I20230113002037
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

2

Medicare enrollment records show Michael Flores reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Comprehensive Hospitalist Services Of Arizona LLC
116 mi
Hospitalist
2200 E SHOW LOW LAKE RD, HOSPITALIST DEPARTMENT
Show Low, AZ 85901
  • Reassigned Medicare billing, Arizona enrollment
  • 117 clinicians in this Medicare group
NPI 1487964771 (877) 693-5700
Cmsc, LLC
848 mi
General Acute Care Hospital
3010 15TH AVE S
Great Falls, MT 59405
  • Reassigned Medicare billing, Montana enrollment
  • 163 clinicians in this Medicare group
NPI 1639109978 (406) 216-8000

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 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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
57 services51 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.
37 services35 patients
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.
31 services20 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
28 services27 patients

Hospital Affiliations CMS Care Compare

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

Great Falls Clinic Hospital

Acute Care Hospitals · Great Falls, MT
5/5 CMS rating
OwnershipProprietary
CMS Certification Number270086
Location3010 15th Avenue SouthGreat Falls, MT 59405 · Cascade County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86001 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
$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.

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 Flores's NPI number?

The NPI number for Michael Flores is 1588748875. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Michael Flores located?

Michael Flores practices at 1100 N San Francisco Ste E, Flagstaff, AZ 86001. The listed phone number is (928) 774-3318.

What is Michael Flores's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Michael Flores enrolled in Medicare?

Yes. Michael Flores 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 Michael Flores's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Flores reassigns Medicare benefits to 2 organizations: Comprehensive Hospitalist Services Of Arizona LLC (Show Low, AZ) and Cmsc, LLC (Great Falls, 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 Michael Flores's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Flores accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Michael Flores 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 Michael Flores affiliated with any hospitals?

According to CMS data, Michael Flores is affiliated with Great Falls Clinic Hospital.

When was this NPI record last updated?

The NPPES record for Michael Flores was last updated on April 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.