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Kathleen Marx, CMA
NPI 1184504045 · Family Medicine Physician · Boulder, CO
Kathleen Marx, CMA is a Family Medicine Physician provider in Boulder, CO (NPI 1184504045).
Provider details
- NPI number
- 1184504045
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- CMA
- Sex
- Female
- Sole proprietor
- No
- License
- 926539 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
2525 13th St
Boulder, CO 80304-4104
Phone: (303) 650-4460
Street-level locationGet directions
Mailing address
1000 W Horsetooth Rd Apt D11
Fort Collins, CO 80526-5966
Registry dates
- Enumerated
- 2025-09-03
- Last updated
- 2025-09-03
- Certified
- 2025-09-03
Frequently asked questions
- What is Kathleen Marx's NPI number?
- Kathleen Marx's National Provider Identifier (NPI) is 1184504045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Marx's specialty?
- Kathleen Marx is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Marx located?
- Kathleen Marx's practice location on file with NPPES is 2525 13th St, Boulder, CO 80304-4104.
- What is Kathleen Marx's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Marx is (303) 650-4460.
- Is Kathleen Marx's NPI active?
- Yes — Kathleen Marx's NPI (1184504045) is active in the NPPES registry as of the last update on 2025-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.