Marissa Moritz-Guzik, MS, PA-C
NPI 1457669772 · Physician Assistant · Louisville, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Moritz-Guzik, MS, PA-C is a Physician Assistant provider in Louisville, CO (NPI 1457669772).
Provider details
- NPI number
- 1457669772
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
254 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 170 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $78 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 31 | $142 |
Typical Medicare-allowed amounts for these services range $78–$142 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 214 | 81 |
| Omeprazole | 78 | 38 |
| Famotidine | 75 | 34 |
| Budesonidebrand: Budesonide Dr | 46 | 19 |
| Dicyclomine Hcl | 27 | 12 |
| Ondansetronbrand: Ondansetron Odt | 19 | — |
| Cholestyramine (with Sugar)brand: Cholestyramine | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21,141 across 176 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 11900 Grant St Ste 360Northglenn, CO 80233-1117Phone: (303) 604-5000Fax: (720) 890-0364
Registry dates
- Enumerated
- 2010-09-21
- Last updated
- 2020-10-09
- Certified
- 2020-10-09
Frequently asked questions
- What is Marissa Moritz-Guzik's NPI number?
- Marissa Moritz-Guzik's National Provider Identifier (NPI) is 1457669772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Moritz-Guzik's specialty?
- Marissa Moritz-Guzik is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Moritz-Guzik located?
- Marissa Moritz-Guzik's practice location on file with NPPES is 80 Health Park Dr, Louisville, CO 80027-9584.
- What is Marissa Moritz-Guzik's phone number?
- The practice phone number listed in the NPPES registry for Marissa Moritz-Guzik is (303) 269-2085.
- Does Marissa Moritz-Guzik accept Medicare?
- Marissa Moritz-Guzik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Moritz-Guzik's NPI active?
- Yes — Marissa Moritz-Guzik's NPI (1457669772) is active in the NPPES registry as of the last update on 2020-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.