JENNIFER ETHEL SIZEMORE MSN, RN, PMHNP-BC
NPI 1255965919
Nurse Practitioner - Psychiatric/Mental Health in Marianna, FL

Q: What is Jennifer Sizemore's NPI number?

The NPI number for Jennifer Sizemore is 1255965919. It was assigned to this individual provider in the NPPES registry on March 2, 2020.

Q: What is Jennifer Sizemore's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jennifer Sizemore was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since March 02, 2020PECOS EnrolledAccepts Medicare Assignment

4469 CLINTON ST STE B, MARIANNA, FL 32446(850) 693-4171(850) 303-6006 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 10, 2020, Mar 2, 2020 (2 updates tracked since 2020).

On this page

About Jennifer Ethel Sizemore Msn, Rn, Pmhnp-bc NPPES

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

JENNIFER ETHEL SIZEMORE MSN, RN, PMHNP-BC (NPI 1255965919) is an individual psychiatric/mental health provider in Marianna, Florida, licensed in Florida (APRN11008217) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1255965919

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameJENNIFER ETHEL SIZEMORECredential: MSN, RN, PMHNP-BC

Location Address4469 CLINTON ST STE BMarianna, FL 32446-3453

Mailing Address90 Southern Oak DrDothan, AL 36301-7643 · (850) 658-2569 · Fax (850) 303-6006

Phone(850) 693-4171

Fax(850) 303-6006

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 2, 2020

Last NPPES UpdateOctober 15, 20252 updates tracked since enumeration

NPPES CertifiedOctober 15, 2025

✔ NPI 1255965919 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 FL · APRN11008217

4469 CLINTON ST STE B, Marianna, FL 32446

Open in Google Maps ↗

Secondary Practice Locations 2

Location 190 Southern Oak DrDothan, AL 36301-7643 · Phone (850) 658-2569 · Fax (850) 303-6006

Location 2612 Byrd Parker Dr Ste BWewahitchka, FL 32465-3304 · Phone (850) 693-4171 · Fax (850) 303-6006

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc., Florida Blue (BlueCross BlueShield FL) and more.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

Jennifer Ethel Sizemore Msn, Rn, Pmhnp-bc 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 ID5597189456

PECOS Enrollment IDI20200724000411

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

Medicare enrollment records show Jennifer Sizemore reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern Roots Psychiatry Inc

Same address

Psychiatric/Mental Health

4469 CLINTON ST STE B
Marianna, FL 32446

Reassigned Medicare billing, Florida enrollment

NPI 1558152066 (850) 693-4171

Wiregrass Wellness Center, LLC

33 mi

Psychiatry

201 REGENCY CT
Dothan, AL 36305

Reassigned Medicare billing, Alabama and Florida enrollments
4 clinicians in this Medicare group

NPI 1013117167 (334) 673-8869

Dothan Behavioral Medicine Clinic PC

35 mi

Child & Adolescent Psychiatry

408 HEALTHWEST DR
Dothan, AL 36303

Reassigned Medicare billing, Alabama enrollment
16 clinicians in this Medicare group

NPI 1336277540 (334) 702-7222

Grow Healthcare Group PA

461 mi

Mental Health

66 W FLAGLER ST STE 900
Miami, FL 33130

Reassigned Medicare billing, Florida enrollment
3,079 clinicians in this Medicare group

NPI 1245845932 (786) 244-7711

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

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.

55 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32446 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 2

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

RESTORATION AND RESILIENCE COUNSELING, LLC

Counselor (Mental Health)

4469 CLINTON ST STE B
MARIANNA, FL 32446

Jackson County (850) 394-4603

SOUTHERN ROOTS PSYCHIATRY INC

Nurse Practitioner (Psychiatric/Mental Health)

4469 CLINTON ST STE B
MARIANNA, FL 32446

Jackson County (850) 693-4171

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 Jennifer Sizemore's NPI number?

The NPI number for Jennifer Sizemore is 1255965919. It was assigned to this individual provider in the NPPES registry on March 2, 2020.

Where is Jennifer Sizemore located?

Jennifer Sizemore practices at 4469 Clinton St Ste B, Marianna, FL 32446. The listed phone number is (850) 693-4171.

What is Jennifer Sizemore's specialty?

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

Is Jennifer Sizemore enrolled in Medicare?

Yes. Jennifer Sizemore 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 Jennifer Sizemore's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Sizemore reassigns Medicare benefits to 4 organizations: Southern Roots Psychiatry Inc (Marianna, FL), Wiregrass Wellness Center, LLC (Dothan, AL), Dothan Behavioral Medicine Clinic PC (Dothan, AL) and Grow Healthcare Group PA (Miami, FL). 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 Jennifer Sizemore's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Sizemore accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida and 1 other insurer list Jennifer Sizemore 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 Jennifer Sizemore was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.