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JAMES LAVERNE PARKER ARNP, PMHNP-BC
NPI 1639934698
Nurse Practitioner - Psychiatric/Mental Health in Cedar Rapids, IA

Active since February 19, 2024PECOS Enrolled
855 A AVE NE STE 300, CEDAR RAPIDS, IA 52402(319) 368-9301(319) 739-4380 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About James Laverne Parker Arnp, Pmhnp-bc NPPES

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

JAMES LAVERNE PARKER ARNP, PMHNP-BC (NPI 1639934698) is an individual psychiatric/mental health provider in Cedar Rapids, Iowa, licensed in Iowa (G178326) and active in the NPI registry since February 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639934698
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameJAMES LAVERNE PARKERCredential: ARNP, PMHNP-BC
Location Address855 A AVE NE STE 300Cedar Rapids, IA 52402-5064
Mailing Address855 A Ave Ne Ste 300Cedar Rapids, IA 52402-5064 · (319) 368-9301 · Fax (319) 739-4380
Phone(319) 368-9301
Fax(319) 739-4380
Sole ProprietorNo
Enumeration DateFebruary 19, 2024
Last NPPES UpdateApril 8, 2024
NPPES CertifiedMarch 8, 2024
✔ NPI 1639934698 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in IA · G178326
855 A AVE NE STE 300, Cedar Rapids, IA 52402
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James Laverne Parker Arnp, Pmhnp-bc 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 James Parker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Luke's Methodist Hospital
Same address
Cardiovascular Disease
1026 A AVE NE
Cedar Rapids, IA 52402
  • Reassigned Medicare billing, Iowa enrollment
  • Medicare enrollment name: St Lukes Methodist Hospital
  • 166 clinicians in this Medicare group
NPI 1073553939 (319) 369-7211

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 52402 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

Other Providers at the Same Location NPPES 6

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

DR. KATHRYN LORRAINE KAUFMAN M.D.
Pediatrics
855 A AVE NE STE 300
CEDAR RAPIDS, IA 52402
Linn County (319) 368-9301
DR. DINAH M CONTI M.D.
Pediatrics
855 A AVE NE STE 300, UNITY POINT CLINICS CEDAR RAPIDS - PEDIATRICS
CEDAR RAPIDS, IA 52402
Linn County (319) 368-9300
LUKE MICHAEL SPELLMAN D.O.
Pediatrics (Sports Medicine)
855 A AVE NE STE 300
CEDAR RAPIDS, IA 52402
Linn County (319) 368-9300
ROBYN MARIE KOLBET
Nurse Practitioner (Pediatrics)
855 A AVE NE STE 300
CEDAR RAPIDS, IA 52402
Linn County (319) 368-9301
CARA NICOLE SCHOON DO
Pediatrics
855 A AVE NE STE 300
CEDAR RAPIDS, IA 52402
Linn County (319) 368-9301
KATHRYN C HALYKO M.D.
Pediatrics
855 A AVE NE STE 300
CEDAR RAPIDS, IA 52402
Linn County (319) 368-9301

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 James Parker's NPI number?

The NPI number for James Parker is 1639934698. It was assigned to this individual provider in the NPPES registry on February 19, 2024.

Where is James Parker located?

James Parker practices at 855 A Ave NE Ste 300, Cedar Rapids, IA 52402. The listed phone number is (319) 368-9301.

What is James Parker's specialty?

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

Is James Parker enrolled in Medicare?

Yes. James Parker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Parker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Parker reassigns Medicare benefits to St. Luke's Methodist Hospital (Cedar Rapids, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Parker accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list James Parker 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 James Parker was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.