Mary Pfieffer, FNP-BC
NPI 1366701716 · Family Nurse Practitioner · Brentwood, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Pfieffer, FNP-BC is a Family Nurse Practitioner provider in Brentwood, TN (NPI 1366701716).
Provider details
- NPI number
- 1366701716
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 16396 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
608 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 92 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $95 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 76 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 51 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 47 | $7 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 14 |
| Levothyroxine Sodium | 53 | 16 |
| Sertraline Hcl | 50 | 17 |
| Bupropion Hclbrand: Bupropion Xl | 44 | 12 |
| Trazodone Hcl | 43 | 15 |
| Losartan Potassium | 36 | 11 |
| Alprazolam |
Practice location
Mailing address
Additional practice locations (1)
- 740 Cool Springs BlvdSuite 110Franklin, TN 37067-6448Phone: (615) 791-9940
Registry dates
- Enumerated
- 2012-05-04
- Last updated
- 2023-05-23
- Certified
- 2023-05-23
Frequently asked questions
- What is Mary Pfieffer's NPI number?
- Mary Pfieffer's National Provider Identifier (NPI) is 1366701716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Pfieffer's specialty?
- Mary Pfieffer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Pfieffer located?
- Mary Pfieffer's practice location on file with NPPES is 1607 Westgate Cir Ste 200, Brentwood, TN 37027-8077.
- What is Mary Pfieffer's phone number?
- The practice phone number listed in the NPPES registry for Mary Pfieffer is (615) 376-8195.
- Does Mary Pfieffer accept Medicare?
- Mary Pfieffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Pfieffer's NPI active?
- Yes — Mary Pfieffer's NPI (1366701716) is active in the NPPES registry as of the last update on 2023-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.