NIKKI J GREER-COLLIER FNP-BC
NPI 1144894791
Nurse Practitioner - Family in Greeneville, TN

Q: What is Nikki Greer-collier's NPI number?

The NPI number for Nikki Greer-collier is 1144894791. It was assigned to this individual provider in the NPPES registry on May 18, 2021. The provider is also known as Nikki Joe Greer.

Q: What is Nikki Greer-collier's specialty?

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

Active since May 18, 2021PECOS EnrolledAccepts Medicare Assignment

76.17/100

CMS Quality Rating

1410 TUSCULUM BLVD STE 2200, GREENEVILLE, TN 37745(423) 639-0243(423) 639-0628 Get Directions Write a Review

NPPES record last updated: April 6, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 6, 2022, May 18, 2021 (2 updates tracked since 2021).

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About Nikki J Greer-collier Fnp-bc NPPES

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

NIKKI J GREER-COLLIER FNP-BC (NPI 1144894791) is an individual family provider in Greeneville, Tennessee, licensed in Tennessee (29410) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of East Tennessee State University Quillen College Of Medicine (2019).

NPPES Registry Identity

NPI1144894791

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameNIKKI J GREER-COLLIERCredential: FNP-BC

Location Address1410 TUSCULUM BLVD STE 2200Greeneville, TN 37745-5822

Mailing Address900 E Hill Ave Ste 230Knoxville, TN 37915-2565 · (865) 862-0998 · Fax (865) 544-1861

Phone(423) 639-0243

Fax(423) 639-0628

Sole ProprietorYes

Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2019

Enumeration DateMay 18, 2021

Last NPPES UpdateApril 6, 20222 updates tracked since enumeration

NPPES CertifiedApril 6, 2022

✔ NPI 1144894791 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

License✔ Licensed in TN · 29410

1410 TUSCULUM BLVD STE 2200, Greeneville, TN 37745

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Other Names 1

Former Name (1)Nikki Joe Greer

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, 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

Nikki J Greer-collier 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 ID6002203825

PECOS Enrollment IDI20220426002451

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 Nikki Greer-collier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tennessee Cancer Specialist PLLC

0.3 mi

Hematology & Oncology

1665 E ANDREW JOHNSON HWY STE 2
Greeneville, TN 37745

Reassigned Medicare billing, Tennessee enrollment
Medicare enrollment name: Tennessee Cancer Specialists PLLC
66 clinicians in this Medicare group

NPI 1871301358 (423) 639-0243

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 13

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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

91 services66 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

86 services63 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

83 services62 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.

75 services59 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

37 services32 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

22 services12 patients

Red blood count, automated test 85045

An automated red blood count test is a routine lab procedure to measure the number of red blood cells in your blood. These cells carry oxygen throughout the body. The test helps assess overall health and detect conditions like anemia or polycythemia.

20 services19 patients

Carcinoembryonic antigen (cea) protein level 82378

Carcinoembryonic Antigen (CEA) protein level is a blood test often used in cancer care. It measures the amount of CEA protein in your blood, which can increase in cases of certain types of cancer. It's used to monitor treatment progress and check for cancer recurrence.

18 services14 patients

Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 86300

This is a blood test that measures the level of CA 15-3, a protein often higher in individuals with certain types of cancer. It helps monitor response to treatment and check for cancer recurrence. It's not a standalone diagnostic test but used alongside other evaluations.

18 services13 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

18 services12 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

13 services13 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

11 services11 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37745 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

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

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.

76.17/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

90.43

Promoting Interoperability

Improvement Activities

Cost

35.04

Other Providers at the Same Location NPPES 6

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

ANNA G LEACH PA

Physician Assistant