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MS. KAREN L JOHNSON ARNP
NPI 1417090523
Nurse Practitioner - Family in St Petersburg, FL

Active since February 15, 2007PECOS EnrolledAccepts Medicare Assignment
12450 ROOSEVELT BLVD N STE 101, ST PETERSBURG, FL 33716(727) 571-1688(727) 561-0674 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 7, 2026, Feb 26, 2018 (2 updates tracked since 2018).

About Ms. Karen L Johnson Arnp NPPES

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

MS. KAREN L JOHNSON ARNP (NPI 1417090523) is an individual family provider in St Petersburg, Florida, licensed in Florida (2623012) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with St Anthonys Hospital, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1417090523
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. KAREN L JOHNSONCredential: ARNP
Location Address12450 ROOSEVELT BLVD N STE 101St Petersburg, FL 33716-1902
Mailing Address1839 Central AveSt Petersburg, FL 33713-8900 · (727) 322-1054 · Fax (727) 322-2725
Phone(727) 571-1688
Fax(727) 561-0674
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateFebruary 15, 2007
Last NPPES UpdateJanuary 7, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
✔ NPI 1417090523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in FL · 2623012✔ Licensed in FL · ARNP2623012
12450 ROOSEVELT BLVD N STE 101, St Petersburg, FL 33716
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Other Identifiers 1

Medicaid002122800FL

Accepted Insurance

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

Ms. Karen L Johnson Arnp 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 ID7416045117
PECOS Enrollment IDI20071114000018
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.

Areas of Expertise CMS Part B claims 3

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.
244 services118 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
58 services58 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.
57 services37 patients

Hospital Affiliations CMS Care Compare 3

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

St Anthonys Hospital

Acute Care Hospitals · Saint Petersburg, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100067
Location1200 Seventh Ave NSaint Petersburg, FL 33705 · Pinellas County
Emergency services

St Josephs Hospital

Acute Care Hospitals · Tampa, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100075
Location3001 W Martin Luther King Jr BlvdTampa, FL 33677 · Hillsborough County
Emergency services Birthing friendly

Morton Plant Hospital

Acute Care Hospitals · Clearwater, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100127
Location300 Pinellas StClearwater, FL 33756 · Pinellas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33716 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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

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

MRS. NADINE RUSLI FNP-C
Nurse Practitioner (Family)
12450 ROOSEVELT BLVD N STE 101
ST PETERSBURG, FL 33716
Pinellas County (727) 571-1688

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 Karen Johnson's NPI number?

The NPI number for Karen Johnson is 1417090523. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Where is Karen Johnson located?

Karen Johnson practices at 12450 Roosevelt Blvd N Ste 101, St Petersburg, FL 33716. The listed phone number is (727) 571-1688.

What is Karen Johnson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Johnson enrolled in Medicare?

Yes. Karen 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.

What insurance does Karen Johnson accept?

Health plans from UnitedHealthcare list Karen 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 Karen Johnson affiliated with any hospitals?

According to CMS data, Karen Johnson is affiliated with St Anthonys Hospital, St Josephs Hospital and Morton Plant Hospital.

When was this NPI record last updated?

The NPPES record for Karen Johnson was last updated on January 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.