KATHERINE JEFFERSON
NPI 1437779972
Nurse Practitioner - Psychiatric/Mental Health in Denver, CO

Q: What is Katherine Jefferson's NPI number?

The NPI number for Katherine Jefferson is 1437779972. It was assigned to this individual provider in the NPPES registry on April 24, 2020. The provider is also known as Katherine Merkl.

Q: What is Katherine Jefferson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since April 24, 2020PECOS EnrolledAccepts Medicare Assignment

8354 E NORTHFIELD BLVD STE 308, DENVER, CO 80238(205) 516-0009 Get Directions Write a Review

NPPES record last updated: February 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 8, 2025, Oct 19, 2023, Apr 24, 2020 (3 updates tracked since 2020).

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About Katherine Jefferson NPPES

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

KATHERINE JEFFERSON (NPI 1437779972) is an individual psychiatric/mental health provider in Denver, Colorado, licensed in Colorado (APN.0999087-NP) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Westminster, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1437779972

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameKATHERINE JEFFERSON

Location Address8354 E NORTHFIELD BLVD STE 308Denver, CO 80238-3131

Mailing Address10740 W 102nd PlWestminster, CO 80021-5109 · (205) 516-0009 · Fax (720) 360-1641

Phone(205) 516-0009

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateApril 24, 2020

Last NPPES UpdateFebruary 8, 20253 updates tracked since enumeration

NPPES CertifiedFebruary 8, 2025

✔ NPI 1437779972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in CO · APN.0999087-NP

Also ListedRegistered NurseTaxonomy 163W00000X · License 1163171 (AL)

8354 E NORTHFIELD BLVD STE 308, Denver, CO 80238

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Other Names 1

Former Name (1)Katherine Merkl

Secondary Practice Location 1

Location 110740 W 102nd PlWestminster, CO 80021-5109 · Phone (205) 516-0009 · Fax (720) 360-1641

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Jefferson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759737323

PECOS Enrollment IDI20231102001950

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80238 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

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

Most-billed visit code 99214

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Jefferson's NPI number?

The NPI number for Katherine Jefferson is 1437779972. It was assigned to this individual provider in the NPPES registry on April 24, 2020. The provider is also known as Katherine Merkl.

Where is Katherine Jefferson located?

Katherine Jefferson practices at 8354 E Northfield Blvd Ste 308, Denver, CO 80238. The listed phone number is (205) 516-0009.

What is Katherine Jefferson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Katherine Jefferson enrolled in Medicare?

Yes. Katherine Jefferson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Jefferson accept?

Health plans from Providence Health Plan list Katherine Jefferson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katherine Jefferson was last updated on February 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.