Tamara Jo Obrien, CNP
Family Nurse Practitioner · Mankato, MN
Tamara Jo Obrien, CNP is a family nurse practitioner with a practice address in Mankato, Minnesota, and NPI 1619213527, issued on Dec 20, 2012. Check the license (Minnesota R1290592, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tamara Jo Obrien
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R1290592 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Marsh St, Mankato, MN 56001
- Phone
- (507) 625-4031
- Enumerated
- Dec 20, 2012
- Record last updated
- Jun 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20130802000341); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,335 in Minnesota → Look up another NPI →
Also registered at 1025 Marsh St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaitlin Ahlskog, PA-CPhysician Assistant1649638883
- Ebtihal Ahmed, MBBSPediatrics Physician1235653452
Verify Tamara Jo Obrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license R1290592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,074 Medicare Part D claims for 205 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 11 claims were for opioids.
Most prescribed
- Anastrozole286 claims
- Letrozole98 claims
- Dexamethasone65 claims
- Verzenio41 claims
- Acyclovir36 claims
- Ondansetron Hcl34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $36.94
1 payment: food and beverage; the largest payer was Tempus AI, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Northfield HospitalNorthfield, MN · Acute Care Hospitals4 of 5 stars
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Tamara Jo Obrien among 3,335 family nurse practitioner records in Minnesota
Tamara Jo Obrien, CNP is one of 3,335 family nurse practitioner records with a practice address in Minnesota. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 64% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2018 among the 1,909 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family nurse practitioner records list a practice address in Mankato
They are 45 of the 2,079 NPPES records with a practice address in Mankato, and 3,335 family nurse practitioner records in Minnesota.
All 3,335 in Minnesota → Every provider in Mankato → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Elizabeth Coleman, NPMankato, MN 560011518229657
- Elizabeth Cumberland, NPMankato, MN 560011013359108
- Jodi Dreyer, RN, CNPMankato, MN 560011336588094
- Jodi Egeland, MSN, CNPMankato, MN 560011619961216
- Emily Fett, DNP, RN, CNPMankato, MN 560011568866531
- Jennifer HolmMankato, MN 560011265881841
- Nancy Linder, RNC FNPMankato, MN 560011194725838
- Elaine Miller, CNPMankato, MN 560011295811792
Common questions
What is Tamara Jo Obrien, CNP's NPI number?
Tamara Jo Obrien, CNP's National Provider Identifier (NPI) is 1619213527, issued on Dec 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Tamara Jo Obrien, CNP located?
The NPPES record lists a practice address at 1025 Marsh St, Mankato, MN, 56001. Phone: (507) 625-4031. Providers update this record themselves, so call before visiting.
How can I verify Tamara Jo Obrien, CNP's license?
NPPES lists Minnesota license number R1290592, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Tamara Jo Obrien, CNP prescribe under Medicare Part D?
In 2024, Tamara Jo Obrien, CNP had 1,074 Medicare Part D claims for 205 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.