TAMMY COZZENS FNP
NPI 1215302732
Nurse Practitioner - Acute Care in Billings, MT

Active since December 09, 2015PECOS EnrolledAccepts Medicare Assignment
801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 14, 2021, Dec 9, 2015 (2 updates tracked since 2015).

About Tammy Cozzens Fnp NPPES

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

TAMMY COZZENS FNP (NPI 1215302732) is an individual acute care provider in Billings, Montana, licensed in Montana (NUR-APRN-LIC-101471) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1215302732
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameTAMMY COZZENSCredential: FNP
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 9, 2015
Last NPPES UpdateDecember 14, 20212 updates tracked since enumeration
NPPES CertifiedDecember 14, 2021
✔ NPI 1215302732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MT · NUR-APRN-LIC-101471
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 101471 (MT)
801 N 29TH ST, Billings, MT 59101

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

Tammy Cozzens Fnp 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 ID4385945823
PECOS Enrollment IDI20151229000441
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 Reassignment

Medicare enrollment records show Tammy Cozzens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
General Practice
801 N 29TH ST
Billings, MT 59101
  • Reassigned Medicare billing, Montana enrollment
  • 1,264 clinicians in this Medicare group

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
153 services139 patients
Transitional care management services for problem of at least moderate complexity 99495
Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.
31 services29 patients
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.
29 services27 patients

Hospital Affiliations CMS Care Compare

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

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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 20

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

Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101

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 Tammy Cozzens's NPI number?

The NPI number for Tammy Cozzens is 1215302732. It was assigned to this individual provider in the NPPES registry on December 9, 2015.

Where is Tammy Cozzens located?

Tammy Cozzens practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.

What is Tammy Cozzens's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Tammy Cozzens enrolled in Medicare?

Yes. Tammy Cozzens 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 organization bills Medicare for Tammy Cozzens's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Cozzens reassigns Medicare benefits to Billings Clinic (Billings, MT). The 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 Tammy Cozzens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Tammy Cozzens affiliated with any hospitals?

According to CMS data, Tammy Cozzens is affiliated with Billings Clinic.

When was this NPI record last updated?

The NPPES record for Tammy Cozzens was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.