Doctor profile · Federal record

Dr. Marissa Moritz-Guzik, MS, PA-C

Physician Assistant · Physician Assistant · Louisville, CO

  • NPI 1457669772
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
80 Health Park Dr
Louisville, CO 800279584
(303) 269-2085
fax (303) 269-2089
Additional location
11900 Grant St Ste 360
Northglenn, CO 802331117
(303) 604-5000
fax (720) 890-0364
Mailing address
382 S Arthur Ave
Louisville, CO 800273094

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
October 9, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Colorado #PA.0005555
Medicaid
CO #9000168190

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457669772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
210
Distinct HCPCS
4
Medicare allowed
$21,210
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 85 66 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 80 66 $111
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $141
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $97

In context: peer comparison

Among 4 peers in Louisville Physician Assistant, average services per provider: 58. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21,141
Transactions
168
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 26 $17,939.65
Abbvie INC. 49 $986.98
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 16 $362.61
Takeda Pharmaceuticals U.S.A., INC. 18 $303.39
Madrigal Pharmaceuticals 4 $245.47
Gilead Sciences, INC. 10 $225.74
Phathom Pharmaceuticals, INC. 9 $203.45
Qol Medical, LLC 13 $186.04
Lilly USA, LLC 5 $113.62
Genzyme Corporation 4 $90.97
Regeneron Healthcare Solutions, INC. 4 $82.55
Ardelyx, INC. 3 $79.44
Ironwood Pharmaceuticals, INC 4 $69.23
Celgene Corporation 2 $41.51
Echosens North America, INC. 1 $40.30

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
$13,284
Travel and Lodging
$4,314
Food and Beverage
$3,543

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
150
Total drug cost
$416,652
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 229 87 $5,265
Famotidine Generic 83 32 $2,676
Omeprazole Generic 73 31 $2,181
Sucralfate Generic 28 0 $5,504
Budesonide Dr (Budesonide) Brand 25 0 $3,648
Colestipol Hcl Generic 19 0 $2,174
Linzess (Linaclotide) Brand 17 0 $14,622
Stelara (Ustekinumab) Brand 13 0 $373,471
Azathioprine Generic 12 0 $2,858
Budesonide Ec (Budesonide) Brand 11 0 $3,769

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Moritz-Guzik's medical specialty?
Dr. Marissa Moritz-Guzik practices Physician Assistant in Louisville, CO.
Where does Dr. Marissa Moritz-Guzik practice?
Dr. Marissa Moritz-Guzik practices at 80 Health Park Dr, Louisville, CO 800279584. Office phone: 3032692085.
What is Dr. Marissa Moritz-Guzik's NPI?
Dr. Marissa Moritz-Guzik's National Provider Identifier (NPI) is 1457669772, issued by NPPES.
Does Dr. Marissa Moritz-Guzik accept Medicare assignment?
Yes. Dr. Marissa Moritz-Guzik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Moritz-Guzik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.