NPPES file of Aug 9, 2026

Mark Christopher Sievert, M.D

Nephrology Physician · Reno, NV

Mark Christopher Sievert, M.D is a nephrology physician with a practice address in Reno, Nevada, and NPI 1720321912, issued on Apr 5, 2013. Check the license (Nevada 17754, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720321912
Name
Mark Christopher Sievert
Credential
M.D
Primary taxonomy
Nephrology Physician 207RN0300X
License number
17754 NV
Self-reported in NPPES; status is on the state search
Practice location
670 Sierra Rose Dr, Reno, NV 89511
Phone
(775) 322-4550
Enumerated
Apr 5, 2013
Record last updated
Jun 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(775) 322-4956
Medicare enrollment
Enrolled (PECOS I20180718001495); accepts Medicare assignment
Medical or professional school
University Of Nevada School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 670 Sierra Rose Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jana Ailes, RD, LDRenal Nutrition Registered Dietitian1033622253
  2. Cassandra Ceremuga, DOPediatrics Physician1134640154
  3. Peter Clark, M.D.Nephrology Physician1821106709
  4. Lindsey Comeau, APRNNurse Practitioner1841720778
  5. Lindsay Gray, APRNNurse Practitioner1508407594
  6. Javier Narvarte, M.D.Nephrology Physician1326156134

Verify Mark Christopher Sievert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 17754
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

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33% fewer Medicare Part D claims than the average nephrology physician in 2024

984 Medicare Part D claims for 216 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Mark Sievert984
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium105 claims
  2. Furosemide84 claims
  3. Sevelamer Carbonate77 claims
  4. Torsemide75 claims
  5. Amlodipine Besylate70 claims
  6. Lisinopril58 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $240.74

11 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Sievert$240.74
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Oneill Clark Narvarte And Vicks A Professional CorporationReno, NV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Christopher Sievert among 125 nephrology physician records in Nevada

Mark Christopher Sievert, M.D is one of 125 nephrology physician records with a practice address in Nevada. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 82% of them.

  • NPI issued2013 · 82% of these records are older, 17% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2013 · median 2000 among the 106 with a school on file
  • Record last updated2018 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Nevada

There are 125 nephrology physician records in Nevada.

The 8 nephrology physician records with the nearest ZIP codes

  1. Peter Clark, M.D.Reno, NV 895111821106709
  2. Soni Dhanireddy, M.D.Reno, NV 895111023214491
  3. Arika Gupta, M.D.Reno, NV 895111831171735
  4. Javier Narvarte, M.D.Reno, NV 895111326156134
  5. Bill Oneill, M.D.Reno, NV 895111699878132
  6. Jusmin Patel, M.D.Reno, NV 895111518259647
  7. Robert Quigley, DOReno, NV 895111104907674
  8. Ridhmi Rajapakse, M.DReno, NV 895111356669766

Common questions

What is Mark Christopher Sievert, M.D's NPI number?

Mark Christopher Sievert, M.D's National Provider Identifier (NPI) is 1720321912, issued on Apr 5, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mark Christopher Sievert, M.D located?

The NPPES record lists a practice address at 670 Sierra Rose Dr, Reno, NV, 89511. Phone: (775) 322-4550. Providers update this record themselves, so call before visiting.

How can I verify Mark Christopher Sievert, M.D's license?

NPPES lists Nevada license number 17754, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Christopher Sievert, M.D prescribe under Medicare Part D?

In 2024, Mark Christopher Sievert, M.D had 984 Medicare Part D claims for 216 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.