Satyaki Chakrabarty, MD
NPI 1457846891 · Nephrology Physician · Portsmouth, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Satyaki Chakrabarty, MD is a Nephrology Physician provider in Portsmouth, NH (NPI 1457846891).
Provider details
- NPI number
- 1457846891
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 276625 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,227 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 291 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 200 | $127 |
| Hemodialysis Procedure With Physician Evaluation90935 | 135 | $69 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 104 | $166 |
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 95 | $4 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 |
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 |
|---|---|---|
| Losartan Potassium | 88 | 31 |
| Lisinopril | 55 | 24 |
| Amlodipine Besylate | 44 | 17 |
| Chlorthalidone | 44 | 16 |
| Spironolactone | 36 | 13 |
| Furosemide | 29 | 13 |
| Labetalol Hcl | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77 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
Additional practice locations (2)
- 736 Cambridge StBrighton, MA 02135Phone: (617) 789-2386
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 856-3155Fax: (508) 856-3111
Registry dates
- Enumerated
- 2018-06-27
- Last updated
- 2024-02-28
- Certified
- 2024-02-28
Frequently asked questions
- What is Satyaki Chakrabarty's NPI number?
- Satyaki Chakrabarty's National Provider Identifier (NPI) is 1457846891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Satyaki Chakrabarty's specialty?
- Satyaki Chakrabarty is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Satyaki Chakrabarty located?
- Satyaki Chakrabarty's practice location on file with NPPES is 875 Greenland Rd Unit 10, Portsmouth, NH 03801-4164.
- What is Satyaki Chakrabarty's phone number?
- The practice phone number listed in the NPPES registry for Satyaki Chakrabarty is (603) 766-3174.
- Does Satyaki Chakrabarty accept Medicare?
- Satyaki Chakrabarty is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Satyaki Chakrabarty's NPI active?
- Yes — Satyaki Chakrabarty's NPI (1457846891) is active in the NPPES registry as of the last update on 2024-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.