Quick answers
- Which hospitals does Sumi Dey work at?
- Medicare's official clinician data lists Sumi Dey at 1 hospital: McLaren Oakland. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sumi Dey see patients?
- Medicare's clinician data lists 2 practice locations, including Pontiac, MI and Waterford, MI. Call before your visit to confirm the address.
- What is Sumi Dey's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Sumi Dey accept Medicare assignment?
- Yes. Medicare's clinician data says Sumi Dey accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sumi Dey?
- (248) 338-5000, as listed in official Medicare / NPI Registry data.
- What is Sumi Dey's NPI number?
- 1801531819. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sumi Dey works
Medicare's Facility Affiliation Data lists Sumi Dey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- McLaren OaklandPontiac, MI · Acute Care Hospital · CCN 230207
Practice locations
Addresses where Sumi Dey is enrolled with Medicare (CMS data updated 2026-10-02).
- 50 N Perry StPontiac, MI 48342 (248) 338‑5000
- 5210 Highland Rd, Suite 200Waterford, MI 48327 (248) 625‑9099
Group practices
Medicare enrollment lists Sumi Dey as a member of this group (CMS data updated 2026-10-02).
- McLaren Medical Group213 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Pontiac
Clinicians with the same Medicare primary specialty in Pontiac, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801531819 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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