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DR. MARIO ERNESTO APONTES RUIZ M.D.
NPI 1942579008
Hospitalist in Reno, NV

Active since December 19, 2011PECOS EnrolledAccepts Medicare Assignment
1155 MILL ST, RENO, NV 89502(775) 982-7878(775) 982-4196 Get Directions Write a Review

NPPES record last updated: May 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2021, Aug 3, 2017, May 31, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Mario Ernesto Apontes Ruiz M.d. NPPES

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

DR. MARIO ERNESTO APONTES RUIZ M.D. (NPI 1942579008) is an individual hospitalist provider in Reno, Nevada, licensed in Nevada (17011) and active in the NPI registry since December 2011. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1942579008
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MARIO ERNESTO APONTES RUIZCredential: M.D.
Location Address1155 MILL STReno, NV 89502-1576
Mailing Address1155 Mill St Ms M14Reno, NV 89502-1576 · (775) 982-5262 · Fax (775) 982-4196
Phone(775) 982-7878
Fax(775) 982-4196
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 19, 2011
Last NPPES UpdateMay 13, 20214 updates tracked since enumeration
NPPES CertifiedMay 13, 2021
✔ NPI 1942579008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NV · 17011
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 17011 (NV)
1155 MILL ST, Reno, NV 89502
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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

Dr. Mario Ernesto Apontes Ruiz M.d. 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 ID5092938357
PECOS Enrollment IDI20170810002832
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 Mario Apontes Ruiz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Care Services LLC
Same address
Diagnostic Radiology
1155 MILL ST # M-14
Reno, NV 89502
  • Reassigned Medicare billing, Nevada enrollment
  • 735 clinicians in this Medicare group
NPI 1053272989 (775) 982-5000

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 6

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.
575 services299 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.
262 services126 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.
198 services195 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.
62 services61 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.
33 services33 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290001
Location1155 Mill StreetReno, NV 89502 · Washoe County
Emergency services Birthing friendly

Renown South Meadows Medical Center

Acute Care Hospitals · Reno, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290049
Location10101 Double R BlvdReno, NV 89521 · Washoe County
Emergency services

Carson Valley Health

Critical Access Hospitals · Gardnerville, NV
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number291306
Location1107 Highway 395Gardnerville, NV 89410 · Douglas County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89502 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
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 2

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
6 suppliers26 claims26 services$17.87 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
7 suppliers37 claims38 services$86.25 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.

JENNA RASSUCHINE
Emergency Medicine
1155 MILL ST
RENO, NV 89502
Washoe County (775) 324-4040
NICHOLAS ROSE MD
Radiology (Vascular & Interventional Radiology)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 327-5174
DR. BROOKE TAYLOR TOLLER PHARMD
Pharmacist (Ambulatory Care)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-4406
CORINNE E JOHNSON GARNER RN, APRN
Registered Nurse (Neonatal Intensive Care)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7890
DR. THOMAS S. DAVEE M.D.
Internal Medicine (Cardiovascular Disease)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7878
DR. CHRISTIE ELLIOTT MD
Pathology (Anatomic Pathology & Clinical Pathology)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-4545
LEAH KATHLEEN MACHEN M.D.
Hospitalist
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7878
HAMAD RASHID ASHRAF MD
Hospitalist
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7878

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 Mario Apontes Ruiz's NPI number?

The NPI number for Mario Apontes Ruiz is 1942579008. It was assigned to this individual provider in the NPPES registry on December 19, 2011.

Where is Mario Apontes Ruiz located?

Mario Apontes Ruiz practices at 1155 Mill St, Reno, NV 89502. The listed phone number is (775) 982-7878.

What is Mario Apontes Ruiz's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Mario Apontes Ruiz enrolled in Medicare?

Yes. Mario Apontes Ruiz 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 organization bills Medicare for Mario Apontes Ruiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mario Apontes Ruiz reassigns Medicare benefits to Community Care Services LLC (Reno, NV). 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 Mario Apontes Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mario Apontes Ruiz affiliated with any hospitals?

According to CMS data, Mario Apontes Ruiz is affiliated with Renown Regional Medical Center, Renown South Meadows Medical Center and Carson Valley Health.

When was this NPI record last updated?

The NPPES record for Mario Apontes Ruiz was last updated on May 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.