Quick answers
- Does Vandana Sahay accept Medicare assignment?
- Yes. Medicare's clinician data says Vandana Sahay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Vandana Sahay see?
- In 2024, CMS data shows 227 Original Medicare patients and 1,067 services for Vandana Sahay. This counts Original Medicare only and measures volume, not quality.
- What is Vandana Sahay's NPI number?
- 1881683068. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Vandana Sahay, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 227 |
|---|---|
| Services billed to Medicare | 1,067 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)352 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)163 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 services
- Injection of drug or substance under skin or into muscle (96372)54 services
- Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)53 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure69%
- Arthritis37%
- Anxiety28%
- Ischemic heart disease26%
- Diabetes25%
Hospitals where Vandana Sahay works
Medicare's Facility Affiliation Data lists Vandana Sahay at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
- Southern NH Medical CenterNashua, NH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 300020
- St Joseph HospitalNashua, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300011
- UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220001
Practice locations
Addresses where Vandana Sahay is enrolled with Medicare (CMS data updated October 2, 2026).
- 497 Main St, 4bGroton, MA 01450 (978) 449‑0471
Group practices
Medicare enrollment lists Vandana Sahay as a member of this group (CMS data updated October 2, 2026).
- Revere Medical of Massachusetts PC111 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Groton
Clinicians with the same Medicare primary specialty in Groton, MA — not a recommendation.
Other clinicians in Revere Medical of Massachusetts PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881683068 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians