Calvin Baker, MD
NPI 1457814220 · Nephrology Physician · Tupelo, MS
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Baker, MD is a Nephrology Physician provider in Tupelo, MS (NPI 1457814220).
Provider details
- NPI number
- 1457814220
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33281 (MS)
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
7 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
2,574 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) |
|---|---|---|
| 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 | 324 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 297 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 281 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 262 | $10 |
| Urinalysis, Manual Test81002 | 262 | $3 |
| Phosphate Level84100 | 253 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 27 | 17 |
| Empagliflozinbrand: Jardiance | 27 | — |
| Losartan Potassium | 25 | 15 |
| Torsemide | 25 | 14 |
| Chlorthalidone | 18 | 14 |
| Sevelamer Carbonate | 16 | — |
| Lisinopril | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$407 across 23 records (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
- 2019-04-09
- Last updated
- 2024-08-28
- Certified
- 2024-08-28
Frequently asked questions
- What is Calvin Baker's NPI number?
- Calvin Baker's National Provider Identifier (NPI) is 1457814220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Baker's specialty?
- Calvin Baker is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Baker located?
- Calvin Baker's practice location on file with NPPES is 1542 Medical Park Cir, Tupelo, MS 38801-6560.
- What is Calvin Baker's phone number?
- The practice phone number listed in the NPPES registry for Calvin Baker is (662) 844-4711.
- Does Calvin Baker accept Medicare?
- Calvin Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Baker's NPI active?
- Yes — Calvin Baker's NPI (1457814220) is active in the NPPES registry as of the last update on 2024-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.