Doctor profile · Federal record

Dr. Tamara Postlethwait, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Marietta, OH

  • NPI 1003325150
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
800 Wayne St Ste 100
Marietta, OH 457503309
(740) 568-2214
fax (740) 568-2099
Additional location
1212 Garfield Ave Ste 300
Parkersburg, WV 261013247
(304) 865-3600
Additional location
807 Farson St Ste 204C
Belpre, OH 457141069
Mailing address
1903 Ann St
Parkersburg, WV 261012504

Credentials & registration

NPPES · NUCC
NPI registered
September 2017 — 9 yrs on file
Profile last updated
May 22, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Ohio #APRN.CNP.022114 · West Virginia #APRN-64878FNP-BC

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003325150. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
347
Distinct HCPCS
2
Medicare allowed
$27,641
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 335 147 $81
99441 Telephone medical discussion with physician, 5-10 minutes 12 12 $46

In context: peer comparison

Among 21 peers in this city , average services per provider: 111. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$616
Transactions
28
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 22 $484.84
AstraZeneca Pharmaceuticals LP 2 $50.27
ABBVIE INC. 1 $28.95
ANI Pharmaceuticals, Inc. 1 $19.76
Lilly USA, LLC 1 $17.43
UCB, Inc. 1 $14.59

By nature of payment

Food and Beverage
$616

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
938
Patients
322
Total drug cost
$265,405
Drug Type Claims Patients Total cost
Prednisone Generic 188 77 $1,109
Hydroxychloroquine Sulfate Generic 177 61 $9,562
Duloxetine Hcl Generic 80 23 $2,215
Allopurinol Generic 72 28 $748
Leflunomide Generic 64 22 $3,844
Tizanidine Hcl Generic 57 20 $771
Colchicine Generic 42 19 $4,197
Methotrexate (Methotrexate Sodium) Brand 42 22 $1,100
Methylprednisolone Generic 40 31 $353
Gabapentin Generic 37 0 $341

Frequently asked questions

Auto-generated from federal data
What is Dr. Tamara Postlethwait's medical specialty?
Dr. Tamara Postlethwait practices Family Nurse Practitioner in Marietta, OH.
Where does Dr. Tamara Postlethwait practice?
Dr. Tamara Postlethwait practices at 800 Wayne St Ste 100, Marietta, OH 457503309. Office phone: 7405682214.
What is Dr. Tamara Postlethwait's NPI?
Dr. Tamara Postlethwait's National Provider Identifier (NPI) is 1003325150, issued by NPPES.
Does Dr. Tamara Postlethwait accept Medicare assignment?
Yes. Dr. Tamara Postlethwait accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tamara Postlethwait commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99441). Source: CMS Medicare Physician & Other Practitioners file.