Catherine Grinnell, CNM
NPI 1871134528 · Advanced Practice Midwife · Denver, CO
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Grinnell, CNM is a Advanced Practice Midwife provider in Denver, CO (NPI 1871134528).
Provider details
- NPI number
- 1871134528
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Advanced Practice Midwife367A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Advanced Practice Midwife367A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 1508 Division St Ste 205Oregon City, OR 97045-1585Phone: (503) 657-1071Fax: (503) 657-3321
Registry dates
- Enumerated
- 2019-10-03
- Last updated
- 2024-06-05
- Certified
- 2024-06-05
Frequently asked questions
- What is Catherine Grinnell's NPI number?
- Catherine Grinnell's National Provider Identifier (NPI) is 1871134528, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Grinnell's specialty?
- Catherine Grinnell is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Grinnell located?
- Catherine Grinnell's practice location on file with NPPES is 790 Delaware St, Denver, CO 80204-4532.
- What is Catherine Grinnell's phone number?
- The practice phone number listed in the NPPES registry for Catherine Grinnell is (303) 436-4949.
- Does Catherine Grinnell accept Medicare?
- Catherine Grinnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Grinnell's NPI active?
- Yes — Catherine Grinnell's NPI (1871134528) is active in the NPPES registry as of the last update on 2024-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.