Purba Biswas, MD
NPI 1740274190 · Nephrology Physician · Sierra Vista, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Purba Biswas, MD is a Nephrology Physician provider in Sierra Vista, AZ (NPI 1740274190).
Provider details
- NPI number
- 1740274190
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 34448 (AZ)
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
20 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
3,188 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 | 2,747 | $171 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $121 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 108 | $332 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 84 | $209 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $86 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 198 | 63 |
| Levothyroxine Sodium | 175 | 48 |
| Amlodipine Besylate | 160 | 53 |
| Rosuvastatin Calcium | 152 | 48 |
| Furosemide | 129 | 46 |
| Potassium Chloride | 107 | 39 |
| Atorvastatin Calcium | 88 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-31
- Last updated
- 2023-11-05
- Certified
- 2023-11-05
Frequently asked questions
- What is Purba Biswas's NPI number?
- Purba Biswas's National Provider Identifier (NPI) is 1740274190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Purba Biswas's specialty?
- Purba Biswas is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Purba Biswas located?
- Purba Biswas's practice location on file with NPPES is 1840 Paseo San Luis, Sierra Vista, AZ 85635-4612.
- What is Purba Biswas's phone number?
- The practice phone number listed in the NPPES registry for Purba Biswas is (520) 459-5959.
- Does Purba Biswas accept Medicare?
- Purba Biswas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Purba Biswas's NPI active?
- Yes — Purba Biswas's NPI (1740274190) is active in the NPPES registry as of the last update on 2023-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.