NPPES file of Aug 9, 2026

Michael L. Shomaker, MD

Nephrology Physician · Thornton, CO

Michael L. Shomaker, MD is a nephrology physician with a practice address in Thornton, Colorado, and NPI 1932276581, issued on Nov 29, 2006. Check the license (Colorado 45401, 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
1932276581
Name
Michael L. Shomaker
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
45401 CO
Self-reported in NPPES; status is on the state search
Practice location
9195 Grant St Ste 225, Thornton, CO 80229
Phone
(720) 536-2460
Enumerated
Nov 29, 2006
Record last updated
Jan 21, 2026
Fax
(720) 536-2466
Medicaid ID
72154756 CO
Medicare enrollment
Enrolled (PECOS I20070618000194); may accept Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2000
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 9195 Grant St Ste 225

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

  1. Jennifer Baron, AGACNP-BCNurse Practitioner1366132441
  2. Carol Johnston, APNFamily Nurse Practitioner1679810337
  3. Karen Lochhead, MDNephrology Physician1275524761
  4. Britt Newsome, MDNephrology Physician1306873476
  5. Rafael Torosyan, MDNephrology Physician1578901625

Verify Michael L. Shomaker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 45401
    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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35% fewer Medicare Part D claims than the average nephrology physician in 2024

958 Medicare Part D claims for 176 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Michael Shomaker958
  2. Specialty average1,465

Most prescribed

  1. Calcitriol67 claims
  2. Furosemide65 claims
  3. Tamsulosin Hcl58 claims
  4. Amlodipine Besylate57 claims
  5. Labetalol Hcl55 claims
  6. Lisinopril48 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: $20,260.33

36 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim 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. Michael Shomaker$20,260
  2. Specialty average$3,091

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

Michael L. Shomaker among 182 nephrology physician records in Colorado

Michael L. Shomaker, MD is one of 182 nephrology physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 28% of them.

  • NPI issued2006 · 28% of these records are older, 46% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2000 · median 2002 among the 133 with a school on file
  • Record last updated2026 · 54% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Colorado

There are 182 nephrology physician records in Colorado.

The 8 nephrology physician records with the nearest ZIP codes

  1. Karen Lochhead, MDThornton, CO 802291275524761
  2. Britt Newsome, MDThornton, CO 802291306873476
  3. Rafael Torosyan, MDThornton, CO 802291578901625
  4. Rihab Ahmed-Taha, MDLakewood, CO 802281518164300
  5. Fatima Ballout, M.D.Lakewood, CO 802281881043131
  6. Cortney Bosworth, M.D.Lakewood, CO 802281811043409
  7. Melvyn Klein, MDDenver, CO 802301780633560
  8. Brad Marder, MDDenver, CO 802301487636775

Common questions

What is Michael L. Shomaker, MD's NPI number?

Michael L. Shomaker, MD's National Provider Identifier (NPI) is 1932276581, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael L. Shomaker, MD located?

The NPPES record lists a practice address at 9195 Grant St Ste 225, Thornton, CO, 80229. Phone: (720) 536-2460. Providers update this record themselves, so call before visiting.

How can I verify Michael L. Shomaker, MD's license?

NPPES lists Colorado license number 45401, 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 Michael L. Shomaker, MD prescribe under Medicare Part D?

In 2024, Michael L. Shomaker, MD had 958 Medicare Part D claims for 176 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.