MR. MATTHEW IAN GEMBALA M.D., M.P.H.
NPI 1114950185
Internal Medicine - Nephrology in Flagstaff, AZ

Active since July 10, 2006PECOS EnrolledAccepts Medicare Assignment
2201 N VICKEY ST STE 110, FLAGSTAFF, AZ 86004(928) 213-9460(928) 213-9465 Get Directions Write a Review

NPPES record last updated: October 29, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 29, 2019, Jun 26, 2018, Feb 23, 2016 and 1 more (4 updates tracked since 2016).

About Mr. Matthew Ian Gembala M.d., M.p.h. NPPES

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

MR. MATTHEW IAN GEMBALA M.D., M.P.H. (NPI 1114950185) is an individual nephrology provider in Flagstaff, Arizona, licensed in Arizona (35737) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2003).

NPPES Registry Identity

NPI1114950185
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameMR. MATTHEW IAN GEMBALACredential: M.D., M.P.H.
Location Address2201 N VICKEY ST STE 110Flagstaff, AZ 86004-6126
Mailing Address6622 N 91st Ave, Ste 220Glendale, AZ 85305-2569 · (602) 759-6883 · Fax (602) 224-3358
Fax(928) 213-9465
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2003
Enumeration DateJuly 10, 2006
Last NPPES UpdateOctober 29, 20194 updates tracked since enumeration
NPI 1114950185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in AZ · 35737
Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

2201 N VICKEY ST STE 110, Flagstaff, AZ 86004

Other Identifiers 1

Medicaid1114950185-01AZ

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

Mr. Matthew Ian Gembala M.d., M.p.h. 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 ID5890888002
PECOS Enrollment IDI20070904000709
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 8

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
618 services301 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
77 services77 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.
75 services46 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
61 services59 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
20 services16 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
20 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86004 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 5

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
7 suppliers77 claims5,355 services$0.28 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier17 claims2,550 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers60 claims10,440 services$0.17 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
7 suppliers43 claims43 services$17.65 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
7 suppliers102 claims109 services$12.27 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 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
2201 N VICKEY ST STE 110
FLAGSTAFF, AZ 86004
Internal Medicine (Nephrology)
2201 N VICKEY ST STE 110
FLAGSTAFF, AZ 86004
Nurse Practitioner (Acute Care)
2201 N VICKEY ST STE 110
FLAGSTAFF, AZ 86004
Internal Medicine (Nephrology)
2201 N VICKEY ST STE 110
FLAGSTAFF, AZ 86004

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 Matthew Gembala's NPI number?

The NPI number for Matthew Gembala is 1114950185. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Matthew Gembala located?

Matthew Gembala practices at 2201 N Vickey St Ste 110, Flagstaff, AZ 86004. The listed phone number is (928) 213-9460.

What is Matthew Gembala's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Matthew Gembala enrolled in Medicare?

Yes. Matthew Gembala 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 Matthew Gembala accept?

Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and UnitedHealthcare list Matthew Gembala 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 Matthew Gembala was last updated on October 29, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.