CATHERINE H GRINNELL CNM
NPI 1871134528
Advanced Practice Midwife in Denver, CO

Q: What is Catherine Grinnell's NPI number?

The NPI number for Catherine Grinnell is 1871134528. It was assigned to this individual provider in the NPPES registry on October 3, 2019. The provider is also known as Katie Grinnell.

Q: What is Catherine Grinnell's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Active since October 03, 2019PECOS Enrolled

91.11/100

CMS Quality Rating

790 DELAWARE ST, DENVER, CO 80204(303) 436-4949 Get Directions Write a Review

NPPES record last updated: June 5, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 5, 2024, Apr 6, 2021, Nov 12, 2020 and 1 more (4 updates tracked since 2019).

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About Catherine H Grinnell Cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CATHERINE H GRINNELL CNM (NPI 1871134528) is an individual advanced practice midwife in Denver, Colorado, licensed in Colorado (APN.0995992-CNM) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Oregon City.

NPPES Registry Identity

NPI1871134528

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameCATHERINE H GRINNELLCredential: CNM

Location Address790 DELAWARE STDenver, CO 80204-4532

Mailing Address777 Bannock StDenver, CO 80204-4597 · (303) 602-2715

Phone(303) 436-4949

Sole ProprietorNo

Enumeration DateOctober 3, 2019

Last NPPES UpdateJune 5, 20244 updates tracked since enumeration

NPPES CertifiedJune 5, 2024

✔ NPI 1871134528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

License✔ Licensed in CO · APN.0995992-CNM

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

790 DELAWARE ST, Denver, CO 80204

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Other Names 1

Other Name (5)Katie Grinnell

Secondary Practice Location 1

Location 11508 Division St Ste 205Oregon City, OR 97045-1585 · Phone (503) 657-1071 · Fax (503) 657-3321

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Catherine H Grinnell Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Catherine Grinnell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Denver Health And Hospital Authority

0.1 mi

General Practice

777 BANNOCK ST
Denver, CO 80204

Reassigned Medicare billing, Colorado enrollment
2,259 clinicians in this Medicare group

NPI 1477569838 (303) 436-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.11/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

90.23

Promoting Interoperability

Improvement Activities

Cost

73.49

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARY MARGARET BERIGAN CNM

Midwife