Swapna Vantzelfde, MD
NPI 1114286473 · Nephrology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Swapna Vantzelfde, MD is a Nephrology Physician provider in Boston, MA (NPI 1114286473).
Provider details
- NPI number
- 1114286473
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 276756 (MA)
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
14 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
192 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 | 161 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $140 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 12 | $138 |
Typical Medicare-allowed amounts for these services range $101–$140 (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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 130 | 36 |
| Amlodipine Besylate | 124 | 40 |
| Lisinopril | 102 | 31 |
| Rosuvastatin Calcium | 100 | 26 |
| Omeprazole | 96 | 35 |
| Metformin Hcl | 95 | 22 |
| Hydrochlorothiazide | 72 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-08
- Last updated
- 2019-12-27
- Certified
- 2019-12-27
Frequently asked questions
- What is Swapna Vantzelfde's NPI number?
- Swapna Vantzelfde's National Provider Identifier (NPI) is 1114286473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Swapna Vantzelfde's specialty?
- Swapna Vantzelfde is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Swapna Vantzelfde located?
- Swapna Vantzelfde's practice location on file with NPPES is 75 Francis St, Boston, MA 02115.
- What is Swapna Vantzelfde's phone number?
- The practice phone number listed in the NPPES registry for Swapna Vantzelfde is (617) 732-6040.
- Does Swapna Vantzelfde accept Medicare?
- Swapna Vantzelfde is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Swapna Vantzelfde's NPI active?
- Yes — Swapna Vantzelfde's NPI (1114286473) is active in the NPPES registry as of the last update on 2019-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.