Quick answers
- Does Ora B. Gewurz-Singer accept Medicare assignment?
- Yes. Medicare's clinician data says Ora B. Gewurz-Singer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Ora B. Gewurz-Singer see?
- In 2024, CMS data shows 150 Original Medicare patients and 404 services for Ora B. Gewurz-Singer. This counts Original Medicare only and measures volume, not quality.
- What is Ora B. Gewurz-Singer's NPI number?
- 1962661355. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ora B. Gewurz-Singer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 150 |
|---|---|
| Services billed to Medicare | 404 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)178 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)119 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol72%
- Arthritis68%
- Diabetes30%
- Ischemic heart disease29%
- Anxiety28%
Hospitals where Ora B. Gewurz-Singer works
Medicare's Facility Affiliation Data lists Ora B. Gewurz-Singer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230230
- MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230222
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230046
Practice locations
Addresses where Ora B. Gewurz-Singer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 1500 E Medical Ctr, Suite 0331Ann Arbor, MI 48109 (734) 936‑5738
- 1500 E Medical Ctr 2nd Floor Rec, Taubman CenterAnn Arbor, MI 48109 (734) 936‑5020
- 1500 E Medical Ctr DrAnn Arbor, MI 48109
- 1500 E Medical Ctr Dr 1st Fl, Taubman Ctr Rec DAnn Arbor, MI 48109 (734) 936‑4185
- 1500 E Medical Ctr Dr 1st Fl Rec D, Taubman CenterAnn Arbor, MI 48109 (734) 764‑5175
Group practices
Medicare enrollment lists Ora B. Gewurz-Singer as a member of this group (CMS data updated October 2, 2026).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Other clinicians in Regents of the University of Michigan
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962661355 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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