Quick answers
- Which hospitals does Umer H. Siddiqui work at?
- Medicare's official clinician data lists Umer H. Siddiqui at 5 hospitals: Hermann Area District Hospital, Mercy Hospital Lebanon, Mercy Hospital Lincoln, Mercy Hospital St Louis and Mercy Hospital Washington. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Umer H. Siddiqui see patients?
- Medicare's clinician data lists 3 practice locations, including Eureka, MO, Warrenton, MO and Washington, MO. Call before your visit to confirm the address.
- What is Umer H. Siddiqui's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Umer H. Siddiqui accept Medicare assignment?
- Yes. Medicare's clinician data says Umer H. Siddiqui 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 Umer H. Siddiqui offer telehealth?
- Medicare's clinician data says Umer H. Siddiqui offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Umer H. Siddiqui?
- (636) 231-6245, as listed in official Medicare / NPI Registry data.
- What is Umer H. Siddiqui's NPI number?
- 1245251321. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Umer H. Siddiqui works
Medicare's Facility Affiliation Data lists Umer H. Siddiqui at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hermann Area District HospitalHermann, MO · Critical Access Hospital · CCN 261314
- Mercy Hospital LebanonLebanon, MO · Acute Care Hospital · CCN 260059
- Mercy Hospital LincolnTroy, MO · Critical Access Hospital · CCN 261319
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · CCN 260052
Practice locations
Addresses where Umer H. Siddiqui is enrolled with Medicare (CMS data updated 2026-10-02).
- 20 the Legends PkwyEureka, MO 63025 (636) 231‑6245
- 521 Anwijo Way, Mercy Clinic Pulmonology WashingtoWarrenton, MO 63383 (636) 231‑6245
- 901 Patients 1st Dr, Suite 3400Washington, MO 63090 (636) 231‑6245
Group practices
Medicare enrollment lists Umer H. Siddiqui as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Pulmonology Washington LLC3 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245251321 |
| 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