Quick answers
- Which hospitals does Nelly A. Heiman work at?
- Medicare's official clinician data lists Nelly A. Heiman at 2 hospitals: Houston Methodist Willowbrook Hospital and Watertown Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nelly A. Heiman see patients?
- Medicare's clinician data lists 7 practice locations, including Watertown, WI, Marshall, MN and Houston, TX. Call before your visit to confirm the address.
- What is Nelly A. Heiman's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Nelly A. Heiman accept Medicare assignment?
- Yes. Medicare's clinician data says Nelly A. Heiman 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 Nelly A. Heiman?
- (920) 262-4825, as listed in official Medicare / NPI Registry data.
- What is Nelly A. Heiman's NPI number?
- 1033326103. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nelly A. Heiman works
Medicare's Facility Affiliation Data lists Nelly A. Heiman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · CCN 450844
- Watertown Memorial HospitalWatertown, WI · Acute Care Hospital · CCN 520116
Practice locations
Addresses where Nelly A. Heiman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 128 Hospital DrWatertown, WI 53098 (920) 262‑4825
- 1521 Carlson StMarshall, MN 56258 (507) 473‑4800
- 1521 Carlson St, Suite 100Marshall, MN 56258 (507) 473‑4800
- 18220 St Hwy 249Houston, TX 77070
- 18220 Tomball PkwyHouston, TX 77070
Group practices
Medicare enrollment lists Nelly A. Heiman as a member of these groups (CMS data updated 2026-10-02).
- TMH Physician Associates PLLC1,690 clinicians in the group
- Houston Methodist Specialty Physicians1,528 clinicians in the group
- Rural Health Care Inc154 clinicians in the group
- Watertown Physician Practices LLC67 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Watertown
Clinicians with the same Medicare primary specialty in Watertown, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033326103 |
| 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