MRS. MARY LAUREN PFIEFFER FNP-BC
NPI 1366701716
Nurse Practitioner - Family in Brentwood, TN

Q: What is Mary Pfieffer's NPI number?

The NPI number for Mary Pfieffer is 1366701716. It was assigned to this individual provider in the NPPES registry on May 4, 2012.

Q: What is Mary Pfieffer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Pfieffer was last updated on May 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since May 04, 2012PECOS EnrolledAccepts Medicare Assignment

83.15/100

CMS Quality Rating

1607 WESTGATE CIR STE 200, BRENTWOOD, TN 37027(615) 376-8195 Get Directions Write a Review

NPPES record last updated: May 23, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 23, 2023, Feb 8, 2022 (2 updates tracked since 2022).

On this page

About Mrs. Mary Lauren Pfieffer Fnp-bc NPPES

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

MRS. MARY LAUREN PFIEFFER FNP-BC (NPI 1366701716) is an individual family provider in Brentwood, Tennessee, licensed in Tennessee (16396) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and maintains a secondary practice location in Franklin.

NPPES Registry Identity

NPI1366701716

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. MARY LAUREN PFIEFFERCredential: FNP-BC

Location Address1607 WESTGATE CIR STE 200Brentwood, TN 37027-8077

Mailing Address1275 Dick Lonas Rd Unit 101Knoxville, TN 37909-1383 · (865) 584-4747 · Fax (865) 381-1509

Phone(615) 376-8195

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMay 4, 2012

Last NPPES UpdateMay 23, 20232 updates tracked since enumeration

NPPES CertifiedMay 23, 2023

✔ NPI 1366701716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in TN · 16396

Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 16396 (TN)

1607 WESTGATE CIR STE 200, Brentwood, TN 37027

Open in Google Maps ↗

Secondary Practice Location 1

Location 1740 Cool Springs Blvd, SUITE 110Franklin, TN 37067-6448 · Phone (615) 791-9940

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama 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

Mrs. Mary Lauren Pfieffer 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 ID9335467992

PECOS Enrollment IDI20150409002579

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 Mary Pfieffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Summit Medical Group, PLLC

Same address

Internal Medicine

1607 WESTGATE CIR STE 200
Brentwood, TN 37027

Reassigned Medicare billing, Tennessee enrollment
1,003 clinicians in this Medicare group

NPI 1659090298 (615) 376-8195

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 16

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.

92 services46 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.

81 services44 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.

76 services44 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.

47 services30 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

46 services33 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

33 services22 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

28 services28 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

27 services26 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

26 services20 patients

Hepatitis c antibody screening, for individual at high risk and other covered indication(s) G0472

Hepatitis C antibody screening is a blood test performed to identify if you've been exposed to the Hepatitis C virus. This is especially important for individuals at high risk, such as those with certain health conditions or lifestyle factors. Early detection can lead to more effective treatments.

25 services25 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

24 services24 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

23 services23 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

21 services14 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

21 services14 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

11 services11 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Williamson Medical Center

Acute Care Hospitals · Franklin, TN

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440029

Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37027 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.

83.15/100

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

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Cost

43.83

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.

ELIZABETH ROTH FNP

Nurse Practitioner (Family)