Quick answers
- Does Syed M. Rehman accept Medicare assignment?
- Yes. Medicare's clinician data says Syed M. Rehman 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 Syed M. Rehman see?
- In 2024, CMS data shows 142 Original Medicare patients and 22,339 services for Syed M. Rehman. This counts Original Medicare only and measures volume, not quality.
- What is Syed M. Rehman's NPI number?
- 1699775437. 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 Syed M. Rehman, 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 | 142 |
|---|---|
| Services billed to Medicare | 22,339 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Test for allergy using allergenic extract (95004)1,751 services
- Professional service for preparation and provision of 1 or more antigens (95165)650 services
- Professional service for multiple injections of allergen (95117)266 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)231 services
- Injection of drug or substance under skin or into muscle (96372)198 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 pressure68%
- High cholesterol67%
- Arthritis51%
- Asthma46%
- Anxiety31%
- Diabetes29%
Hospitals where Syed M. Rehman works
Medicare's Facility Affiliation Data lists Syed M. Rehman 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.
- Mercy Health St Ritas Medical CenterLima, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360066
- ProMedica Monroe Regional HospitalMonroe, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230099
- ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360068
Practice locations
Addresses where Syed M. Rehman is enrolled with Medicare (CMS data updated October 2, 2026).
- 15500 S Telegraph RdMonroe, MI 48161 (734) 457‑5666
- 602 N EvansTecumseh, MI 49286 (517) 423‑4946
- 7247 W Central Ave, Suite AToledo, OH 43617 (419) 843‑8815
- 830 W High St, Suite 108Lima, OH 45801 (419) 227‑0087
Group practices
Medicare enrollment lists Syed M. Rehman as a member of this group (CMS data updated October 2, 2026).
- Asthma and Allergy Center Inc2 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699775437 |
| 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