Sarah K. Khan, MD
NPI 1912140153ActiveIndividual· Internal Medicine, Nephrology· Norwalk, CT
Internal Medicine, Nephrology (MD) with Hartford Healthcare Medical Group Specialists PLLC and 1 other group, practicing in Norwalk, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $299,514 for 3,342 claims, against $155,844 paid for services in 2024. Tms Neurohealth Centers Inc. reported $14.11 in payments in 2025, mostly food and beverage. Lists Danbury Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1912140153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2009 |
| Last updated in NPPES | Sep 10, 2021 |
| Certified by provider | Sep 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 053326 | CT |
| Internal Medicine | 207R00000X | 053326 | CT |
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 - Nephrology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 470 |
|---|---|
| Services billed | 2,717 across 43 procedure codes |
| Paid by Medicare | $155,844 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,342 · 8,318 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $299,514 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
- Westchester Medical Group, P.CWhite Plains, NY · 415 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Greenwich Hospital Association -Greenwich, CT
- Norwalk HospitalNorwalk, CT
- St Vincent's Medical CenterBridgeport, CT
Other facilities
- Davita South Norwalk DialysisDialysis facility · Norwalk, CT
- Western Connecticut Home Care IncHome health agency · Danbury, CT
Industry payments (Open Payments)
- 2025$14.11 · 1 payment from 1 company
- 2024$141.78 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tms Neurohealth Centers Inc. | $14.11 | 1 |
What the 2025 payments were for
- Food and Beverage$14.11 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Norwalk
- 1699272625
- 1972597813