Doctor profile · Federal record

Dr. Mary Pfieffer, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Primary Care Nurse Practitioner · Brentwood, TN

  • NPI 1366701716
  • Accepts Medicare
  • MIPS 83.2 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1607 Westgate Cir Ste 200
Brentwood, TN 370278077
(615) 376-8195
Additional location
740 Cool Springs Blvd, Suite 110
Franklin, TN 370676448
(615) 791-9940
Mailing address
1275 Dick Lonas RD Unit 101
Knoxville, TN 379091383

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
May 23, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Tennessee #16396

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366701716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
139
Distinct HCPCS
6
Medicare allowed
$9,102
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 51 34 $101
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 22 22 $103
36415 Insertion of needle into vein for collection of blood sample 20 19 $8
80053 Blood test, comprehensive group of blood chemicals 17 16 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 17 16 $72
80061 Blood test, lipids (cholesterol and triglycerides) 12 11 $13

In context: peer comparison

Among 27 peers in Brentwood Family Nurse Practitioner, average services per provider: 75. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
428
Patients
53
Total drug cost
$5,620
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 46 15 $819
Levothyroxine Sodium Generic 42 14 $714
Sertraline Hcl Generic 42 13 $509
Lisinopril Generic 33 0 $316
Hydrochlorothiazide Generic 32 0 $126
Alprazolam Generic 31 0 $127
Pantoprazole Sodium Generic 31 11 $619
Zolpidem Tartrate Generic 28 0 $211
Omeprazole Generic 23 0 $311
Metformin Hcl ER (Metformin Hcl) Brand 21 0 $474

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Pfieffer's medical specialty?
Dr. Mary Pfieffer practices Family Nurse Practitioner in Brentwood, TN.
Where does Dr. Mary Pfieffer practice?
Dr. Mary Pfieffer practices at 1607 Westgate Cir Ste 200, Brentwood, TN 370278077. Office phone: 6153768195.
What is Dr. Mary Pfieffer's NPI?
Dr. Mary Pfieffer's National Provider Identifier (NPI) is 1366701716, issued by NPPES.
Does Dr. Mary Pfieffer accept Medicare assignment?
Yes. Dr. Mary Pfieffer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Pfieffer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.