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TAMMI JO MARTINEZ FNP-BC, PMHNP-BC
NPI 1376977488
Nurse Practitioner - Family in Portageville, MO

Active since August 26, 2013PECOS EnrolledAccepts Medicare Assignment
46 E STATE HIGHWAY 162, PORTAGEVILLE, MO 63873(573) 391-8031(573) 391-8050 Get Directions Write a Review

NPPES record last updated: August 17, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Tammi Jo Martinez Fnp-bc, Pmhnp-bc NPPES

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

TAMMI JO MARTINEZ FNP-BC, PMHNP-BC (NPI 1376977488) is an individual family provider in Portageville, Missouri, licensed in Missouri (2013021889) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS, is affiliated with Missouri Delta Medical Center, and maintains a secondary practice location in Hayti.

NPPES Registry Identity

NPI1376977488
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTAMMI JO MARTINEZCredential: FNP-BC, PMHNP-BC
Location Address46 E STATE HIGHWAY 162Portageville, MO 63873-9177
Mailing Address609 Holly Hill DrSikeston, MO 63801-3239 · (573) 475-8022 · Fax (573) 695-2750
Phone(573) 391-8031
Fax(573) 391-8050
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateAugust 26, 2013
Last NPPES UpdateAugust 17, 2021
NPPES CertifiedAugust 17, 2021
✔ NPI 1376977488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2013021889
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 2021019156 (MO)
46 E STATE HIGHWAY 162, Portageville, MO 63873
Open in Google Maps ↗

Secondary Practice Location 1

Location 1907 E Reed StHayti, MO 63851-1242 · Phone (573) 359-3660

Accepted Insurance

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

Tammi Jo Martinez Fnp-bc, 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 ID2365672250
PECOS Enrollment IDI20210622002269
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

2

Medicare enrollment records show Tammi Martinez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pemiscot County Memorial Hospital
14 mi
Clinic/Center
946 E REED ST
Hayti, MO 63851
  • Reassigned Medicare billing, Missouri enrollment
  • 81 clinicians in this Medicare group
NPI 1942881834 (573) 359-1372
Tri-County Community Clinic, LLC
32 mi
Psychiatric/Mental Health
1226 LINN ST STE F
Sikeston, MO 63801
  • Reassigned Medicare billing, Missouri enrollment
  • 4 clinicians in this Medicare group
NPI 1811527138 (573) 391-8031

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 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.
328 services93 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.
189 services69 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.
26 services13 patients

Hospital Affiliations CMS Care Compare

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

Missouri Delta Medical Center

Acute Care Hospitals · Sikeston, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260113
Location1008 North Main StSikeston, MO 63801 · Scott County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63873 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.

Other Providers at the Same Location NPPES 3

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

REMEMBER FOREVER DAY TREATMENT, LLC
Clinic/Center (Adult Day Care)
46 E STATE HIGHWAY 162
PORTAGEVILLE, MO 63873
New Madrid County (573) 391-8030
TRI-COUNTY COMMUNITY INDIVIDUALIZED SUPPORTED LIVING, LLC
Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities
46 E STATE HIGHWAY 162
PORTAGEVILLE, MO 63873
New Madrid County (573) 391-8031
MISSOURI BOOTHEEL REGIONAL CONSORTIUM, INC.
Case Management
46 E STATE HIGHWAY 162
PORTAGEVILLE, MO 63873
New Madrid County (573) 379-2020

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 Tammi Martinez's NPI number?

The NPI number for Tammi Martinez is 1376977488. It was assigned to this individual provider in the NPPES registry on August 26, 2013.

Where is Tammi Martinez located?

Tammi Martinez practices at 46 E State Highway 162, Portageville, MO 63873. The listed phone number is (573) 391-8031.

What is Tammi Martinez's specialty?

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

Is Tammi Martinez enrolled in Medicare?

Yes. Tammi Martinez 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 Tammi Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammi Martinez reassigns Medicare benefits to 2 organizations: Pemiscot County Memorial Hospital (Hayti, MO) and Tri-County Community Clinic, LLC (Sikeston, MO). 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 Tammi Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammi Martinez accept?

Health plans from UnitedHealthcare list Tammi Martinez 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 Tammi Martinez affiliated with any hospitals?

According to CMS data, Tammi Martinez is affiliated with Missouri Delta Medical Center.

When was this NPI record last updated?

The NPPES record for Tammi Martinez was last updated on August 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.