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DR. RAFAEL ARNOLDO FERNANDEZ MD
NPI 1831484500
Internal Medicine in Flagstaff, AZ

Active since June 10, 2011PECOS Enrolled
1200 N BEAVER ST, FLAGSTAFF, AZ 86001(928) 214-2920(928) 214-2925 Get Directions Write a Review

NPPES record last updated: March 14, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 14, 2017, Dec 18, 2015, Dec 7, 2015 and 1 more (4 updates tracked since 2015).

About Dr. Rafael Arnoldo Fernandez Md NPPES

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

DR. RAFAEL ARNOLDO FERNANDEZ MD (NPI 1831484500) is an individual internal medicine provider in Flagstaff, Arizona, licensed in Arizona (50596) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831484500
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RAFAEL ARNOLDO FERNANDEZCredential: MD
Location Address1200 N BEAVER STFlagstaff, AZ 86001-3118
Mailing Address1200 N Beaver St, Payer CredentialingFlagstaff, AZ 86001-3118 · (928) 773-2559 · Fax (928) 213-6292
Phone(928) 214-2920
Fax(928) 214-2925
Sole ProprietorNo
Enumeration DateJune 10, 2011
Last NPPES UpdateMarch 14, 20174 updates tracked since enumeration
✔ NPI 1831484500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 50596
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1200 N BEAVER ST, Flagstaff, AZ 86001
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Other Identifiers 2

Medicare PINZ179688AZ
Medicaid044319AZ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rafael Arnoldo Fernandez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Rafael Fernandez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northern Arizona Healthcare Corporation
Same address
Family Medicine
1200 N. BEAVER STREET, ATTN: PAYER CREDENTIALING
Flagstaff, AZ 86001
  • Reassigned Medicare billing, Arizona enrollment
  • 552 clinicians in this Medicare group
NPI 1669914552 (928) 773-2546
Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm
42 mi
Public Health or Welfare
2400 W DATSI ST
Camp Verde, AZ 86322
  • Reassigned Medicare billing, Texas enrollment
  • 599 clinicians in this Medicare group
NPI 1205859618 (928) 567-2168

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

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
$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.

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.

DR. JEREMY NIELSEN M.D.
Anesthesiology
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366
DR. SEAN DANIEL WOODS M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 773-2112
ELIZABETH GILMORE CRNA
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366
TANYA LEE MORGAN TWEED RDN
Dietitian, Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 773-2441
THOMAS MATTHEW REEVE MD
Emergency Medicine
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (210) 464-7442
MS. SUSAN POMEROY BASSETT M.S.
Audiologist
1200 N BEAVER ST, AUDIOLOGY DEPARTMENT
FLAGSTAFF, AZ 86001
Coconino County (928) 214-3728
DR. ALI I RAJA MD, MSC
Neurological Surgery
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366
LEAH MARIE COFFMAN PAUL CRNA
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366

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 Rafael Fernandez's NPI number?

The NPI number for Rafael Fernandez is 1831484500. It was assigned to this individual provider in the NPPES registry on June 10, 2011.

Where is Rafael Fernandez located?

Rafael Fernandez practices at 1200 N Beaver St, Flagstaff, AZ 86001. The listed phone number is (928) 214-2920.

What is Rafael Fernandez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rafael Fernandez enrolled in Medicare?

Yes. Rafael Fernandez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rafael Fernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rafael Fernandez reassigns Medicare benefits to 2 organizations: Northern Arizona Healthcare Corporation (Flagstaff, AZ) and Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Camp Verde, 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 Rafael Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rafael Fernandez was last updated on March 14, 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.