NATHAN REX DUFFIN D.O.
NPI 1497016190
Internal Medicine in Mesa, AZ

Active since May 30, 2012PECOS EnrolledAccepts Medicare Assignment
1301 S CRISMON RD, MESA, AZ 85209(602) 708-2599 Get Directions Write a Review

NPPES record last updated: February 24, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nathan Rex Duffin D.o. NPPES

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

NATHAN REX DUFFIN D.O. (NPI 1497016190) is an individual internal medicine provider in Mesa, Arizona, licensed in Arizona (006636) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1497016190
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNATHAN REX DUFFINCredential: D.O.
Location Address1301 S CRISMON RDMesa, AZ 85209-3767
Mailing Address1301 S Crismon RdMesa, AZ 85209-3767
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateMay 30, 2012
Last NPPES UpdateFebruary 24, 2015
NPI 1497016190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in AZ · 006636
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.
1301 S CRISMON RD, Mesa, AZ 85209

Accepted 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

Nathan Rex Duffin D.o. 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 ID8921329814
PECOS Enrollment IDI20150603002592
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.
273 services116 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.
114 services112 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.
73 services72 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
63 services63 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85209 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.

Referred Medical Equipment & Supplies CMS DME claims 3

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
4 suppliers38 claims41 services$15.77 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$5.60 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
4 suppliers39 claims41 services$74.14 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.

Radiology (Diagnostic Radiology)
1301 S CRISMON RD
MESA, AZ 85209
Pediatrics (Neonatal-Perinatal Medicine)
1301 S CRISMON RD
MESA, AZ 85209
Nurse Anesthetist, Certified Registered
1301 S CRISMON RD
MESA, AZ 85209
Internal Medicine
1301 S CRISMON RD
MESA, AZ 85209
Surgery
1301 S CRISMON RD
MESA, AZ 85209
Family Medicine
1301 S CRISMON RD
MESA, AZ 85209
Student in an Organized Health Care Education/Training Program
1301 S CRISMON RD
MESA, AZ 85209
Internal Medicine (Gastroenterology)
1301 S CRISMON RD
MESA, AZ 85209

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 Nathan Duffin's NPI number?

The NPI number for Nathan Duffin is 1497016190. It was assigned to this individual provider in the NPPES registry on May 30, 2012.

Where is Nathan Duffin located?

Nathan Duffin practices at 1301 S Crismon Rd, Mesa, AZ 85209. The listed phone number is (602) 708-2599.

What is Nathan Duffin's specialty?

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

Is Nathan Duffin enrolled in Medicare?

Yes. Nathan Duffin 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.

What insurance does Nathan Duffin accept?

Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Nathan Duffin 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.

When was this NPI record last updated?

The NPPES record for Nathan Duffin was last updated on February 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.