Heidi Schaefer, MD
NPI 1326135443 · Nephrology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Schaefer, MD is a Nephrology Physician provider in Nashville, TN (NPI 1326135443).
Provider details
- NPI number
- 1326135443
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 38577 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
577 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 351 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 96 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 65 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 23 | $165 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 23 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 302 | 87 |
| Omeprazole | 259 | 74 |
| Carvedilol | 254 | 85 |
| Atorvastatin Calcium | 205 | 71 |
| Nifedipinebrand: Nifedipine Er | 203 | 79 |
| Gabapentin | 110 | 29 |
| Tamsulosin Hcl | 92 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2024-01-08
- Certified
- 2024-01-08
Frequently asked questions
- What is Heidi Schaefer's NPI number?
- Heidi Schaefer's National Provider Identifier (NPI) is 1326135443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Schaefer's specialty?
- Heidi Schaefer is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Heidi Schaefer located?
- Heidi Schaefer's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is Heidi Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Heidi Schaefer is (615) 322-3000.
- Does Heidi Schaefer accept Medicare?
- Heidi Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Schaefer's NPI active?
- Yes — Heidi Schaefer's NPI (1326135443) is active in the NPPES registry as of the last update on 2024-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.