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MARCIA J WALMER RN, AP/MHNP
NPI 1891081816
Nurse Practitioner - Psychiatric/Mental Health in Columbia, MO

Active since June 28, 2011PECOS Enrolled
98.3/100
CMS Quality Rating
1705 E BROADWAY STE 200, COLUMBIA, MO 65201(573) 303-3314(573) 303-3478 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 24, 2026, Apr 27, 2021, Nov 9, 2016 (3 updates tracked since 2016).

About Marcia J Walmer Rn, Ap/mhnp NPPES

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

MARCIA J WALMER RN, AP/MHNP (NPI 1891081816) is an individual psychiatric/mental health provider in Columbia, Missouri, licensed in Missouri (2011016058) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891081816
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARCIA J WALMERCredential: RN, AP/MHNP
Location Address1705 E BROADWAY STE 200Columbia, MO 65201-7167
Mailing Address1705 E Broadway Ste 200Columbia, MO 65201-7167 · (573) 303-3314 · Fax (573) 303-3478
Phone(573) 303-3314
Fax(573) 303-3478
Sole ProprietorNo
Enumeration DateJune 28, 2011
Last NPPES UpdateApril 24, 20263 updates tracked since enumeration
NPPES CertifiedApril 24, 2026
✔ NPI 1891081816 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
Licenses✔ Licensed in MO · 2011016058✔ Licensed in IL · 209-014459
1705 E BROADWAY STE 200, Columbia, MO 65201
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marcia J Walmer Rn, Ap/mhnp 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 Marcia Walmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Otero County Hospital Association
868 mi
General Acute Care Hospital
2669 SCENIC DR
Alamogordo, NM 88310
  • Reassigned Medicare billing, New Mexico enrollment
  • 417 clinicians in this Medicare group
NPI 1861450579 (575) 439-6100

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
112 services44 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
58 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services22 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
30 services22 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65201 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
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

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.

98.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40

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 Marcia Walmer's NPI number?

The NPI number for Marcia Walmer is 1891081816. It was assigned to this individual provider in the NPPES registry on June 28, 2011.

Where is Marcia Walmer located?

Marcia Walmer practices at 1705 E Broadway Ste 200, Columbia, MO 65201. The listed phone number is (573) 303-3314.

What is Marcia Walmer's specialty?

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

Is Marcia Walmer enrolled in Medicare?

Yes. Marcia Walmer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marcia Walmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcia Walmer reassigns Medicare benefits to Otero County Hospital Association (Alamogordo, NM). 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 Marcia Walmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcia Walmer accept?

Health plans from Oscar Health list Marcia Walmer 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 Marcia Walmer was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.