NPPES file of Aug 9, 2026

Mark R. Cook, DO

Nephrology Physician · Colorado Springs, CO

Mark R. Cook, DO is a nephrology physician with a practice address in Colorado Springs, Colorado, and NPI 1396867156, issued on Apr 4, 2007. Check the license (Colorado 47859, as entered in NPPES) on the Colorado Medical Board; 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
1396867156
Name
Mark R. Cook
Credential
DO
Primary taxonomy
Nephrology Physician 207RN0300X
License number
47859 CO
Self-reported in NPPES; status is on the state search
Practice location
1914 Lelaray St, Colorado Springs, CO 80909
Phone
(719) 632-7641
Enumerated
Apr 4, 2007
Record last updated
May 11, 2022
Fax
(719) 632-7641
Medicaid ID
9000149831 CO
Medicare enrollment
Enrolled (PECOS I20090720000331); accepts Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2003
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 1914 Lelaray St

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

  1. Carissa Ah Yo, MS, RDRegistered Dietitian1376936054
  2. Mark Albright, MDNephrology Physician1104824259
  3. George Devault, MDNephrology Physician1861477853
  4. Jesse Flaxenburg, MDNephrology Physician1376589242
  5. Stephen Fox, MDNephrology Physician1033194022
  6. Melinda Hockensmith, MDNephrology Physician1851376842

Verify Mark R. Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 47859
    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 Colorado license search

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94% more Medicare Part D claims than the average nephrology physician in 2024

2,840 Medicare Part D claims for 367 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Mark Cook2,840
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium267 claims
  2. Amlodipine Besylate187 claims
  3. Furosemide172 claims
  4. Spironolactone154 claims
  5. Lisinopril123 claims
  6. Eplerenone100 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: $108.55

5 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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 Cook$108.55
  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. Pikes Peak Nephrology Associates PCColorado Springs, CO

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

Nephrology Physician providers in Colorado

There are 182 nephrology physician records in Colorado.

Other nephrology physician records in Colorado

  1. Joseph Abdallah, M.D.Westminster, CO1306843602
  2. Rihab Ahmed-Taha, MDLakewood, CO1518164300
  3. Nilesh Ahuja, MDFort Collins, CO1750437331
  4. Katherine Akers, M.D.Westminster, CO1497011944
  5. Yisfalem Alamdew, M.D.Parker, CO1699921817
  6. Mark Albright, MDColorado Springs, CO1104824259
  7. Daniel Andreoli, M.D.Arvada, CO1093077604
  8. Michael Anger, MDWestminster, CO1720079205
  9. Fatima Ballout, M.D.Lakewood, CO1881043131
  10. Anip Bansal, M.D.Aurora, CO1467607655

Common questions

What is Mark R. Cook, DO's NPI number?

Mark R. Cook, DO's National Provider Identifier (NPI) is 1396867156, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark R. Cook, DO located?

The NPPES record lists a practice address at 1914 Lelaray St, Colorado Springs, CO, 80909. Phone: (719) 632-7641. Providers update this record themselves, so call before visiting.

How can I verify Mark R. Cook, DO's license?

NPPES lists Colorado license number 47859, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark R. Cook, DO prescribe under Medicare Part D?

In 2024, Mark R. Cook, DO had 2,840 Medicare Part D claims for 367 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.