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TAMARA RENA POSTLETHWAIT FNP-BC
NPI 1003325150
Nurse Practitioner - Family in Marietta, OH

Active since September 20, 2017PECOS EnrolledAccepts Medicare Assignment
800 WAYNE ST STE 100, MARIETTA, OH 45750(740) 568-2214(740) 568-2099 Get Directions Write a Review

NPPES record last updated: May 22, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 30, 2023, Dec 20, 2022, Jul 25, 2018 and 2 more (5 updates tracked since 2017).

About Tamara Rena Postlethwait Fnp-bc NPPES

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

TAMARA RENA POSTLETHWAIT FNP-BC (NPI 1003325150) is an individual family provider in Marietta, Ohio, licensed in Ohio (APRN.CNP.022114) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS, is affiliated with Marietta Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1003325150
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTAMARA RENA POSTLETHWAITCredential: FNP-BC
Location Address800 WAYNE ST STE 100Marietta, OH 45750-3309
Mailing Address1903 Ann StParkersburg, WV 26101-2504 · (304) 424-4249 · Fax (304) 420-5703
Phone(740) 568-2214
Fax(740) 568-2099
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateSeptember 20, 2017
Last NPPES UpdateMay 22, 20245 updates tracked since enumeration
NPPES CertifiedMay 22, 2024
✔ NPI 1003325150 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 OH · APRN.CNP.022114✔ Licensed in WV · APRN-64878FNP-BC
800 WAYNE ST STE 100, Marietta, OH 45750
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11212 Garfield Ave Ste 300Parkersburg, WV 26101-3247 · Phone (304) 865-3600
Location 2807 Farson St Ste 204CBelpre, OH 45714-1069 · Phone (740) 568-2214 · Fax (740) 568-2099

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource 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

Tamara Rena Postlethwait Fnp-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 ID8628337227
PECOS Enrollment IDI20180104000925, I20180207000920
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 Tamara Postlethwait reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marietta Memorial Hospital Of Tyler County Inc
0.9 mi
Rural Health
424 HIGHLAND AVE
Williamstown, WV 26187
  • Reassigned Medicare billing, West Virginia enrollment
  • Also billed through NPI 1811595192 (West Virginia)
  • 38 clinicians in this Medicare group
NPI 1972302388 (740) 568-4190
Marietta Memorial Hospital
1.9 mi
General Acute Care Hospital
401 MATTHEW ST
Marietta, OH 45750
  • Reassigned Medicare billing, Ohio enrollment
  • 411 clinicians in this Medicare group
NPI 1215936927 (740) 374-1413

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.
392 services190 patients

Hospital Affiliations CMS Care Compare 4

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

Marietta Memorial Hospital

Acute Care Hospitals · Marietta, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360147
Location401 Matthew StreetMarietta, OH 45750 · Washington County
Emergency services Birthing friendly

Selby General Hospital

Critical Access Hospitals · Marietta, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361319
Location1106 Colegate DriveMarietta, OH 45750 · Washington County
Emergency services

Camden Clark Medical Center

Acute Care Hospitals · Parkersburg, WV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510058
Location800 Garfield AveParkersburg, WV 26101 · Wood County
Emergency services Birthing friendly

Sistersville General Hospital

Critical Access Hospitals · Sistersville, WV
OwnershipVoluntary non-profit - Private
CMS Certification Number511304
Location314 South Wells StreetSistersville, WV 26175 · Tyler County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45750 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
70%20 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 4

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

ELYSE ANNE BLACKSTON NP
Nurse Practitioner (Family)
800 WAYNE ST STE 100
MARIETTA, OH 45750
Washington County (740) 568-2214
MARIETTA MEMORIAL HOSPITAL
Clinic/Center (Multi-Specialty)
800 WAYNE ST STE 100
MARIETTA, OH 45750
Washington County (740) 568-2214
KIMBERLY S HENDRICKS DO
Internal Medicine (Rheumatology)
800 WAYNE ST STE 100
MARIETTA, OH 45750
Washington County (740) 568-2214
ROBYN M KNAUS APRN, BC
Nurse Practitioner (Family)
800 WAYNE ST STE 100
MARIETTA, OH 45750
Washington County (740) 568-2214

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 Tamara Postlethwait's NPI number?

The NPI number for Tamara Postlethwait is 1003325150. It was assigned to this individual provider in the NPPES registry on September 20, 2017.

Where is Tamara Postlethwait located?

Tamara Postlethwait practices at 800 Wayne St Ste 100, Marietta, OH 45750. The listed phone number is (740) 568-2214.

What is Tamara Postlethwait's specialty?

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

Is Tamara Postlethwait enrolled in Medicare?

Yes. Tamara Postlethwait 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 Tamara Postlethwait's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tamara Postlethwait reassigns Medicare benefits to 2 organizations: Marietta Memorial Hospital Of Tyler County Inc (Williamstown, WV) and Marietta Memorial Hospital (Marietta, OH). 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 Tamara Postlethwait's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tamara Postlethwait accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource, Highmark Blue Cross Blue Shield West Virginia and MedMutual list Tamara Postlethwait 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 Tamara Postlethwait affiliated with any hospitals?

According to CMS data, Tamara Postlethwait is affiliated with Marietta Memorial Hospital, Selby General Hospital, Camden Clark Medical Center and Sistersville General Hospital.

When was this NPI record last updated?

The NPPES record for Tamara Postlethwait was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.