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ERIN FOLSOM D.O.
NPI 1083041792
Internal Medicine in Glendale, AZ

Active since September 26, 2013PECOS EnrolledAccepts Medicare Assignment
92.29/100
CMS Quality Rating
5555 W THUNDERBIRD RD, GLENDALE, AZ 85306(602) 865-6400 Get Directions Write a Review

NPPES record last updated: August 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Erin Folsom D.o. NPPES

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

ERIN FOLSOM D.O. (NPI 1083041792) is an individual internal medicine provider in Glendale, Arizona, licensed in Arizona (007153) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2013).

NPPES Registry Identity

NPI1083041792
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameERIN FOLSOMCredential: D.O.
Location Address5555 W THUNDERBIRD RDGlendale, AZ 85306-4622
Mailing Address450 W Earll Dr Unit 7Phoenix, AZ 85013-4354
Phone(602) 865-6400
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2013
Enumeration DateSeptember 26, 2013
Last NPPES UpdateAugust 7, 2024
NPPES CertifiedAugust 7, 2024
✔ NPI 1083041792 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 · 007153
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.
5555 W THUNDERBIRD RD, Glendale, AZ 85306
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc..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

Erin Folsom 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 ID8921384462
PECOS Enrollment IDI20170417001446
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 Erin Folsom reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner Cancer Center Specialists LLC
11 mi
Oncology
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 470 clinicians in this Medicare group
NPI 1518253152 (602) 747-4000
Banner Hospital Based Physicians Arizona LLC
31 mi
Multi-Specialty
1900 N HIGLEY RD
Gilbert, AZ 85234
  • Reassigned Medicare billing, Arizona enrollment
  • 1,081 clinicians in this Medicare group
NPI 1124374822 (480) 543-2034

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.

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.
141 services76 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.
90 services43 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.
39 services39 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.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85306 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.

92.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40
Cost66.94

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. DAVID CONNOR M.D.
Emergency Medicine
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 588-5555
KURT FARR DICKSON MD
Personal Emergency Response Attendant
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 588-5501
DR. JOSEPH PATRICK LOZON M.D.
Emergency Medicine
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 588-5555
ARYA JOHN NIKAMAL D.O.
Internal Medicine (Critical Care Medicine)
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 865-5555
DR. ABHINAV P PATEL MD
Radiology (Diagnostic Radiology)
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 865-5555
DR. RICHARD N EISEN M.D
Pathology (Anatomic Pathology)
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 685-5211
CRISTI PATRICK IANCU RN
Registered Nurse
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 865-5555
DR. NEIL MODY MD
Hospitalist
5555 W THUNDERBIRD RD
GLENDALE, AZ 85306
Maricopa County (602) 787-3410

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 Erin Folsom's NPI number?

The NPI number for Erin Folsom is 1083041792. It was assigned to this individual provider in the NPPES registry on September 26, 2013.

Where is Erin Folsom located?

Erin Folsom practices at 5555 W Thunderbird Rd, Glendale, AZ 85306. The listed phone number is (602) 865-6400.

What is Erin Folsom's specialty?

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

Is Erin Folsom enrolled in Medicare?

Yes. Erin Folsom 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 Erin Folsom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Folsom reassigns Medicare benefits to 2 organizations: Banner Cancer Center Specialists LLC (Phoenix, AZ) and Banner Hospital Based Physicians Arizona LLC (Gilbert, 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 Erin Folsom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Folsom accept?

Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list Erin Folsom 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 Erin Folsom was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.