1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Internal Medicine
  6. NPI Profile

NORBERTO PEREZ D.O.
NPI 1083600167
Internal Medicine in Phoenix, AZ

Active since September 23, 2005PECOS Enrolled
4530 E MUIRWOOD DR, SUITE 105, PHOENIX, AZ 85048(480) 961-2303(480) 961-2306 Get Directions Write a Review

NPPES record last updated: June 10, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Norberto Perez D.o. NPPES

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

NORBERTO PEREZ D.O. (NPI 1083600167) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (3121) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083600167
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNORBERTO PEREZCredential: D.O.
Location Address4530 E MUIRWOOD DR, SUITE 105Phoenix, AZ 85048-7639
Mailing Address4530 E Muirwood Dr, Suite 105Phoenix, AZ 85048-7639 · (480) 961-2303 · Fax (480) 961-2306
Phone(480) 961-2303
Fax(480) 961-2306
Sole ProprietorNo
Enumeration DateSeptember 23, 2005
Last NPPES UpdateJune 10, 2010
✔ NPI 1083600167 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 · 3121
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.
4530 E MUIRWOOD DR, Phoenix, AZ 85048
Open in Google Maps ↗

Other Identifiers 2

Medicaid460387AZ
Medicare UPING34013AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Norberto Perez D.o. 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 Reassignment

Medicare enrollment records show Norberto Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Aia Hospitalists LLC
Same address
Internal Medicine
4530 E MUIRWOOD DR, SUITE 105
Phoenix, AZ 85048
  • Reassigned Medicare billing, Arizona enrollment
  • 67 clinicians in this Medicare group
NPI 1831166230 (480) 961-2307

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 3

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
178 services40 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
88 services40 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
51 services46 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85048 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 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims354 services$4.32 avg. paid by Medicare
Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims6,260 services$0.54 avg. paid by Medicare
Enteral nutrition infusion pump, any type B9002
Other-Enteral and Parenteral · category OB005N
1 supplier12 claims12 services$50.95 avg. paid by Medicare
Iv pole E0776
DME-Other DME · category DE000N
1 supplier12 claims12 services$4.48 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers23 claims23 services$20.83 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
2 suppliers18 claims18 services$9.09 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.

JESSICA RYDBERG M.ED, BCBA
Behavior Analyst
4530 E MUIRWOOD DR, SUITE 103
PHOENIX, AZ 85048
Maricopa County (480) 610-6981
DR. MICHAEL J PANG M.D.
Internal Medicine
4530 E MUIRWOOD DR
PHOENIX, AZ 85048
Maricopa County (480) 961-2303
KAREN PETERSON M.A. BCBA
Behavior Analyst
4530 E MUIRWOOD DR, STE. 103
PHOENIX, AZ 85048
Maricopa County (480) 610-6981
ALEXIS A WOODS MD
Internal Medicine
4530 E MUIRWOOD DR, 105
PHOENIX, AZ 85048
Maricopa County (480) 961-2303
SARA TACKETT M.A., BCBA, LBA
Behavior Analyst
4530 E MUIRWOOD DR
PHOENIX, AZ 85048
Maricopa County (480) 610-6981
DR. PADMA R MAHANT M.D.
Psychiatry & Neurology (Neurology)
4530 E MUIRWOOD DR, SUITE 111
PHOENIX, AZ 85048
Maricopa County (480) 961-2365
MS. LEIGH ADELL GRESSLEY MSN/FNP-BC
Nurse Practitioner (Family)
4530 E MUIRWOOD DR, STE 111
PHOENIX, AZ 85048
Maricopa County (480) 961-2365
MRS. STELI PANKOVA KOSTOV FNP
Nurse Practitioner (Family)
4530 E MUIRWOOD DR, #105
PHOENIX, AZ 85048
Maricopa County (480) 961-2303

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 Norberto Perez's NPI number?

The NPI number for Norberto Perez is 1083600167. It was assigned to this individual provider in the NPPES registry on September 23, 2005.

Where is Norberto Perez located?

Norberto Perez practices at 4530 E Muirwood Dr Suite 105, Phoenix, AZ 85048. The listed phone number is (480) 961-2303.

What is Norberto Perez's specialty?

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

Is Norberto Perez enrolled in Medicare?

Yes. Norberto Perez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Norberto Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Norberto Perez reassigns Medicare benefits to Aia Hospitalists LLC (Phoenix, AZ). The 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 Norberto Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Norberto Perez accept?

Health plans from Blue Cross Blue Shield of Arizona list Norberto Perez 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 Norberto Perez was last updated on June 10, 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.