Quick answers
- Which hospitals does Nilem Patel work at?
- Medicare's official clinician data lists Nilem Patel at 4 hospitals: Adventist Health Castle, Adventist Health Clearlake, Adventist Health White Memorial and Glendale Adventist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nilem Patel see patients?
- Medicare's clinician data lists 4 practice locations, including Clearlake, CA, Los Angeles, CA and Kailua, HI. Call before your visit to confirm the address.
- What is Nilem Patel's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Nilem Patel accept Medicare assignment?
- Yes. Medicare's clinician data says Nilem Patel 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.
- Does Nilem Patel offer telehealth?
- Medicare's clinician data says Nilem Patel offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nilem Patel?
- (707) 994-6486, as listed in official Medicare / NPI Registry data.
- What is Nilem Patel's NPI number?
- 1689837171. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nilem Patel works
Medicare's Facility Affiliation Data lists Nilem Patel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health CastleKailua, HI · Acute Care Hospital · CCN 120006
- Adventist Health ClearlakeClearlake, CA · Critical Access Hospital · CCN 051317
- Adventist Health White MemorialLos Angeles, CA · Acute Care Hospital · CCN 050103
- Glendale Adventist Medical CenterGlendale, CA · Acute Care Hospital · CCN 050239
Practice locations
Addresses where Nilem Patel is enrolled with Medicare (CMS data updated 2026-10-02).
- 15630 18th AveClearlake, CA 95422 (707) 994‑6486
- 1720 E Cesar E Chavez AveLos Angeles, CA 90033
- 640 Ulukahiki StKailua, HI 96734 (808) 263‑5142
- 642 Ulukahiki St, Suite 103Kailua, HI 96734 (808) 263‑5241
Group practices
Medicare enrollment lists Nilem Patel as a member of these groups (CMS data updated 2026-10-02).
- Adventist Health Clearlake Hospital Inc.87 clinicians in the group
- Castle Medical Center77 clinicians in the group
- White Memorial Medical Center74 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689837171 |
| 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