Terry Spears Barnett, MD
NPI 1437266640 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terry Spears Barnett, MD is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1437266640).
Provider details
- NPI number
- 1437266640
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 29677 (WI)
Specialties & taxonomies
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
430 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $113 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 74 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $112 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $78 |
| Administration of Influenza Virus VaccineG0008 | 17 | $30 |
Typical Medicare-allowed amounts for these services range $10–$113 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 376 | 90 |
| Amlodipine Besylate | 304 | 80 |
| Levothyroxine Sodium | 253 | 54 |
| Losartan Potassium | 251 | 61 |
| Simvastatin | 214 | 52 |
| Pantoprazole Sodium | 185 | 38 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2023-03-07
- Certified
- 2022-06-10
Frequently asked questions
- What is Terry Spears Barnett's NPI number?
- Terry Spears Barnett's National Provider Identifier (NPI) is 1437266640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terry Spears Barnett's specialty?
- Terry Spears Barnett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terry Spears Barnett located?
- Terry Spears Barnett's practice location on file with NPPES is 2801 W Kinnickinnic River Pkwy, Milwaukee, WI 53215-3693.
- What is Terry Spears Barnett's phone number?
- The practice phone number listed in the NPPES registry for Terry Spears Barnett is (414) 385-8600.
- Does Terry Spears Barnett accept Medicare?
- Terry Spears Barnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terry Spears Barnett's NPI active?
- Yes — Terry Spears Barnett's NPI (1437266640) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.