Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK CHRISTOPHER SIEVERT M.D
NPI 1720321912
Internal Medicine - Nephrology in Reno, NV

Active since April 05, 2013PECOS EnrolledAccepts Medicare Assignment
5437 KIETZKE LN, RENO, NV 89511(775) 322-4550(775) 322-4956 Get Directions Write a Review

NPPES record last updated: September 12, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 12, 2026, Jun 26, 2018 (2 updates tracked since 2018).

About Mark Christopher Sievert M.d NPPES

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

MARK CHRISTOPHER SIEVERT M.D (NPI 1720321912) is an individual nephrology provider in Reno, Nevada, licensed in Nevada (17754) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1720321912
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameMARK CHRISTOPHER SIEVERTCredential: M.D
Location Address5437 KIETZKE LNReno, NV 89511-1088
Mailing Address5437 Kietzke LnReno, NV 89511-1088 · (775) 322-4550 · Fax (775) 322-4956
Fax(775) 322-4956
Sole ProprietorNo
Medical School CMSUniversity Of Nevada School Of MedicineGraduated 2013
Enumeration DateApril 5, 2013
Last NPPES UpdateSeptember 12, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2026
✔ NPI 1720321912 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 NV · 17754
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.
5437 KIETZKE LN, Reno, NV 89511

Secondary Practice Locations 6

Location 1932 Ryland StReno, NV 89502-1773 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 26 Steptoe CirEly, NV 89301-2692 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 32340 S Carson St Ste ACarson City, NV 89701-4540 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 4801 E Williams AveFallon, NV 89406-3052 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 55961 S Los Altos Pkwy Ste 107Sparks, NV 89436-2501 · Phone (775) 322-4550 · Fax (775) 322-4956
Location 61995 Errecart Blvd Ste 205Elko, NV 89801-8337 · Phone (775) 322-4550 · Fax (775) 322-4956

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

Mark Christopher Sievert 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 ID244452845
PECOS Enrollment IDI20180718001495
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 16

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 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.
804 services567 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.
194 services78 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.
194 services79 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.
172 services56 patients
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.
154 services107 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
134 services68 patients

Hospital Affiliations CMS Care Compare 5

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

Saint Mary's Regional Medical Center

Acute Care Hospitals · Reno, NV
3/5 CMS rating
OwnershipProprietary
CMS Certification Number290009
Location235 W 6th StReno, NV 89503 · Washoe County
Emergency services

Carson Tahoe Regional Medical Center

Acute Care Hospitals · Carson City, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290019
Location1600 Medical ParkwayCarson City, NV 89703 · Carson City County
Emergency services Birthing friendly

Northern Nevada Medical Center

Acute Care Hospitals · Sparks, NV
3/5 CMS rating
OwnershipProprietary
CMS Certification Number290032
Location2375 E Prater WaySparks, NV 89434 · Washoe County
Emergency services

Banner Churchill Community Hospital

Critical Access Hospitals · Fallon, NV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number291313
Location801 East Williams AvenueFallon, NV 89406 · Churchill County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89511 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.

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.

Nurse Practitioner
5437 KIETZKE LN
RENO, NV 89511
Internal Medicine (Nephrology)
5437 KIETZKE LN
RENO, NV 89511
Nurse Practitioner (Family)
5437 KIETZKE LN
RENO, NV 89511
Internal Medicine (Pulmonary Disease)
5437 KIETZKE LN
RENO, NV 89511
Internal Medicine (Nephrology)
5437 KIETZKE LN
RENO, NV 89511
Internal Medicine (Nephrology)
5437 KIETZKE LN
RENO, NV 89511
Internal Medicine (Infectious Disease)
5437 KIETZKE LN
RENO, NV 89511
Clinical Nurse Specialist (Adult Health)
5437 KIETZKE LN
RENO, NV 89511

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 Mark Sievert's NPI number?

The NPI number for Mark Sievert is 1720321912. It was assigned to this individual provider in the NPPES registry on April 5, 2013.

Where is Mark Sievert located?

Mark Sievert practices at 5437 Kietzke Ln, Reno, NV 89511. The listed phone number is (775) 322-4550.

What is Mark Sievert's specialty?

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

Is Mark Sievert enrolled in Medicare?

Yes. Mark Sievert 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 Mark Sievert accept?

Health plans from Ambetter from Arizona Complete Health list Mark Sievert 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.

Is Mark Sievert affiliated with any hospitals?

According to CMS data, Mark Sievert is affiliated with Renown Regional Medical Center, Saint Mary's Regional Medical Center, Carson Tahoe Regional Medical Center, Northern Nevada Medical Center and Banner Churchill Community Hospital.

When was this NPI record last updated?

The NPPES record for Mark Sievert was last updated on September 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.