Sara Elizabeth Narayan, MD
NPI 1992998405ActiveIndividual· Allergy & Immunology· Westford, MA
Allergy & Immunology (MD) with Pediatrics West PC, practicing in Westford, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $301,835 for 387 claims, against $39,305 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $578.26 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1992998405 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 20, 2007 |
| Last updated in NPPES | Mar 17, 2022 |
| Certified by provider | Mar 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 247005 | MA |
| Pediatrics | 208000000X | 247005 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 146 |
|---|---|
| Services billed | 2,566 across 26 procedure codes |
| Paid by Medicare | $39,305 |
Part D prescriptions in 2024
| Prescriptions (claims) | 387 · 573 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $301,835 |
| Generic share | 50% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Pediatrics West PCWestford, MA · 15 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$578.26 · 54 payments from 4 companies
- 2024$1,011 · 55 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $519.01 | 51 |
| Ionis Pharmaceuticals, Inc. | $25.00 | 1 |
| Glaxosmithkline, LLC. | $19.26 | 1 |
| Ars Pharmaceuticals Operations, Inc. | $14.99 | 1 |
What the 2025 payments were for
- Food and Beverage$553.26 · 53 payments
- Education$25.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Westford
- 1518383538
- 1891105268