Doctor profile · Federal record

Dr. Michael Shomaker, MD

Nephrology Physician (CMS: Nephrology) · Thornton, CO

  • NPI 1932276581
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9195 Grant St Ste 225
Thornton, CO 802294349
(720) 536-2460
fax (720) 536-2466
Mailing address
13901 E Exposition Ave Ste 202
Aurora, CO 800122552

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
January 21, 2026
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Colorado #45401
Medicaid
CO #72154756

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932276581. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,453
Distinct HCPCS
9
Medicare allowed
$165,933
HCPCS Description Services Patients Avg allowed
90970 Dialysis services, per day, less than full month service (20 years or older) 708 23 $9
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 201 47 $349
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 179 66 $118
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 149 44 $292
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 72 33 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 65 50 $94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 34 $172
90962 Dialysis services, 1 physician visit per month (20 years or older) 22 13 $202
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $92

In context: peer comparison

Among 3 peers in this city , average services per provider: 104. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20,260
Transactions
36
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 15 $18,671.26
Lilly USA, LLC 1 $1,080.00
AstraZeneca Pharmaceuticals LP 6 $188.71
Otsuka America Pharmaceutical, Inc. 3 $69.66
Novartis Pharmaceuticals Corporation 3 $67.48
Amgen Inc. 2 $61.02
Mallinckrodt Hospital Products Inc. 2 $47.02
ANI Pharmaceuticals, Inc. 1 $25.74
Novo Nordisk Inc 1 $17.95
Travere Therapeutics, Inc. 1 $16.89
CALLIDITAS THERAPEUTICS US INC. 1 $14.60

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$19,105
Food and Beverage
$936
Travel and Lodging
$203
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
432
Patients
131
Total drug cost
$22,891
Drug Type Claims Patients Total cost
Calcitriol Generic 55 19 $2,139
Furosemide Generic 53 27 $684
Lisinopril Generic 47 18 $416
Amlodipine Besylate Generic 43 20 $279
Metoprolol Tartrate Generic 43 16 $347
Labetalol Hcl Generic 42 18 $2,506
Tamsulosin Hcl Generic 32 13 $670
Sevelamer Carbonate Generic 20 0 $14,198
Hydralazine Hcl Generic 19 0 $396
Allopurinol Generic 17 0 $342

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Shomaker's medical specialty?
Dr. Michael Shomaker practices Nephrology Physician in Thornton, CO.
Where does Dr. Michael Shomaker practice?
Dr. Michael Shomaker practices at 9195 Grant St Ste 225, Thornton, CO 802294349. Office phone: 7205362460.
What is Dr. Michael Shomaker's NPI?
Dr. Michael Shomaker's National Provider Identifier (NPI) is 1932276581, issued by NPPES.
Does Dr. Michael Shomaker accept Medicare assignment?
Yes. Dr. Michael Shomaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Shomaker commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services (HCPCS 90970); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.