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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MIKA LYNN JOHNSON APRN-FPA
NPI 1063846467
Nurse Practitioner - Psychiatric/Mental Health in Springfield, IL

Active since August 21, 2013PECOS Enrolled
2501 CHATHAM RD STE 6378, SPRINGFIELD, IL 62704(708) 689-4319(866) 329-0046 Get Directions Write a Review

NPPES record last updated: November 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 8, 2026, Sep 14, 2026, Sep 11, 2026 and 2 more (5 updates tracked since 2023).

About Mika Lynn Johnson Aprn-fpa NPPES

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

MIKA LYNN JOHNSON APRN-FPA (NPI 1063846467) is an individual psychiatric/mental health provider in Springfield, Illinois, licensed in Illinois (277001258) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center, and is a graduate of Duke University School Of Medicine (2013).

NPPES Registry Identity

NPI1063846467
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMIKA LYNN JOHNSONCredential: APRN-FPA
Location Address2501 CHATHAM RD STE 6378Springfield, IL 62704-4188
Mailing Address2501 Chatham Rd Ste 6378Springfield, IL 62704-4188 · (708) 689-4319 · Fax (866) 329-0046
Phone(708) 689-4319
Fax(866) 329-0046
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2013
Enumeration DateAugust 21, 2013
Last NPPES UpdateNovember 8, 20265 updates tracked since enumeration
NPPES CertifiedNovember 8, 2026
✔ NPI 1063846467 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 IL · 277001258
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 277001258 (IL)
2501 CHATHAM RD STE 6378, Springfield, IL 62704
Open in Google Maps ↗

Other Names 1

Former Name (1)Mika Lynn Thomas

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mika Lynn Johnson Aprn-fpa 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 ID8022244797
PECOS Enrollment IDI20170615000706
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 Reassignments

11

Medicare enrollment records show Mika Johnson reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America-Illinois Hospitalists, LLP
3.4 mi
Internal Medicine
800 E CARPENTER ST
Springfield, IL 62769
  • Reassigned Medicare billing, Illinois enrollment
  • 329 clinicians in this Medicare group
NPI 1598532061 (217) 544-6464
Occult Mental Health PLLC
53 mi
Nurse Practitioner
123 S SAMPSON ST
Tremont, IL 61568
  • Reassigned Medicare billing, Illinois enrollment
  • 5 clinicians in this Medicare group
NPI 1720857865 (309) 706-1921
Epss LLC - Central Series
55 mi
Emergency Medicine
600 S 13TH ST
Pekin, IL 61554
  • Reassigned Medicare billing, Illinois enrollment
  • 92 clinicians in this Medicare group
NPI 1538680467 (817) 451-4208
Pekin Prohealth Inc
55 mi
Family Medicine
600 S 13TH ST, SUITE M
Pekin, IL 61554
  • Reassigned Medicare billing, Illinois enrollment
  • 142 clinicians in this Medicare group
NPI 1932150299 (309) 353-0825
Methodist Medical Center Of Illinois
64 mi
Family Medicine
120 NE GLEN OAK AVE, SUITE 101
Peoria, IL 61603
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1265966048 (Illinois)
  • 693 clinicians in this Medicare group
NPI 1184670663 (309) 671-8230
Proctor Health Systems
68 mi
Family Medicine
5401 N KNOXVILLE AVE, SUITE 209
Peoria, IL 61614
  • Reassigned Medicare billing, Illinois enrollment
  • 349 clinicians in this Medicare group
NPI 1134173917 (309) 689-6049
Epss Peoria LLC
68 mi
Emergency Medicine
5409 N KNOXVILLE AVE, ER DEPARTMENT
Peoria, IL 61614
  • Reassigned Medicare billing, Illinois enrollment
  • 90 clinicians in this Medicare group
NPI 1831421056 (309) 689-8603
Osf Multi-Specialty Group
70 mi
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • 2,944 clinicians in this Medicare group
NPI 1922445527 (309) 683-5050
Sound Physicians Of Illinois, LLC
81 mi
Hospitalist
12303 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Illinois enrollment
  • 419 clinicians in this Medicare group
NPI 1043598865 (314) 344-6000
Carle Health Medical Group
82 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300

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 9

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
98 services97 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
93 services91 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
40 services40 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
33 services31 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
24 services24 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
24 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Mary Medical Center

Acute Care Hospitals · Galesburg, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140064
Location3333 North SeminaryGalesburg, IL 61401 · Knox County
Emergency services Birthing friendly

Osf Saint Luke Medical Center

Critical Access Hospitals · Kewanee, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141325
Location1051 West South StreetKewanee, IL 61443 · Henry County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62704 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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 Mika Johnson's NPI number?

The NPI number for Mika Johnson is 1063846467. It was assigned to this individual provider in the NPPES registry on August 21, 2013. The provider is also known as Mika Lynn Thomas.

Where is Mika Johnson located?

Mika Johnson practices at 2501 Chatham Rd Ste 6378, Springfield, IL 62704. The listed phone number is (708) 689-4319.

What is Mika Johnson's specialty?

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

Is Mika Johnson enrolled in Medicare?

Yes. Mika Johnson 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.

Which organizations bill Medicare for Mika Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mika Johnson reassigns Medicare benefits to 11 organizations: Cep America-Illinois Hospitalists, LLP (Springfield, IL), Occult Mental Health PLLC (Tremont, IL), Epss LLC - Central Series (Pekin, IL), Pekin Prohealth Inc (Pekin, IL), Methodist Medical Center Of Illinois (Peoria, IL) and 6 more organizations, listed in the Medicare section above. Each 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 Mika Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mika Johnson accept?

Health plans from Ambetter Health list Mika Johnson 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.

Is Mika Johnson affiliated with any hospitals?

According to CMS data, Mika Johnson is affiliated with St Mary Medical Center and Osf Saint Luke Medical Center.

When was this NPI record last updated?

The NPPES record for Mika Johnson was last updated on November 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.