Teresa Williams, M.D.
NPI 1821069501 · Internal Medicine Physician · Springfield, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Williams, M.D. is a Internal Medicine Physician provider in Springfield, TN (NPI 1821069501).
Provider details
- NPI number
- 1821069501
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD39057 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,079 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 522 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 151 | $83 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 124 | $166 |
| Administration of Influenza Virus VaccineG0008 | 111 | $30 |
| Admn Sarscov2 Vacc 1 Dose90480 | 68 | $39 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 297 | 80 |
| Levothyroxine Sodium | 227 | 55 |
| Amlodipine Besylate | 223 | 57 |
| Gabapentin | 168 | 32 |
| Valsartan | 150 | 28 |
| Potassium Chloride | 145 | 39 |
| Metoprolol Succinate | 127 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2026-01-02
- Certified
- 2026-01-02
Frequently asked questions
- What is Teresa Williams's NPI number?
- Teresa Williams's National Provider Identifier (NPI) is 1821069501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Williams's specialty?
- Teresa Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teresa Williams located?
- Teresa Williams's practice location on file with NPPES is 332 Shops Ave., Springfield, TN 37172-3962.
- What is Teresa Williams's phone number?
- The practice phone number listed in the NPPES registry for Teresa Williams is (615) 384-4050.
- Does Teresa Williams accept Medicare?
- Teresa Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Williams's NPI active?
- Yes — Teresa Williams's NPI (1821069501) is active in the NPPES registry as of the last update on 2026-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.