Catherine Gilligan, MD
NPI 1356960926 · Family Medicine Physician · Denver, CO
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Gilligan, MD is a Family Medicine Physician provider in Denver, CO (NPI 1356960926).
Provider details
- NPI number
- 1356960926
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- TL.0008062 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 44 | 14 |
| Atorvastatin Calcium | 43 | 17 |
| Lisinopril | 36 | 13 |
| Fluticasone Propionate | 28 | 11 |
| Gabapentin | 24 | 16 |
| Ibuprofen | 23 | 12 |
| Metformin Hcl | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
Registry dates
- Enumerated
- 2020-04-13
- Last updated
- 2023-06-14
- Certified
- 2023-06-14
Frequently asked questions
- What is Catherine Gilligan's NPI number?
- Catherine Gilligan's National Provider Identifier (NPI) is 1356960926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Gilligan's specialty?
- Catherine Gilligan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Gilligan located?
- Catherine Gilligan's practice location on file with NPPES is 2130 Stout St, Denver, CO 80205-2827.
- What is Catherine Gilligan's phone number?
- The practice phone number listed in the NPPES registry for Catherine Gilligan is (303) 293-2220.
- Does Catherine Gilligan accept Medicare?
- Catherine Gilligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Gilligan's NPI active?
- Yes — Catherine Gilligan's NPI (1356960926) is active in the NPPES registry as of the last update on 2023-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.