MARCUS MA MD
NPI 1336102847
Emergency Medicine in Toledo, OH
About Marcus Ma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCUS MA MD (NPI 1336102847) is an individual emergency medicine provider in Toledo, Ohio, licensed in Ohio (35.074098) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Middlesboro Arh Hospital, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marcus Ma Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
23Medicare enrollment records show Marcus Ma reassigns Medicare billing to 23 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43623
- Reassigned Medicare billing, Ohio enrollment
- 58 clinicians in this Medicare group
Wauseon, OH 43567
- Reassigned Medicare billing, Ohio enrollment
- 118 clinicians in this Medicare group
Garden City, MI 48135
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Dublin, OH 43017
- Reassigned Medicare billing, Ohio enrollment
- 177 clinicians in this Medicare group
Willoughby, OH 44094
- Reassigned Medicare billing, Ohio enrollment
- 89 clinicians in this Medicare group
Ithaca, MI 48847
- Reassigned Medicare billing, Michigan enrollment
- 258 clinicians in this Medicare group
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 536 clinicians in this Medicare group
Warren, OH 44483
- Reassigned Medicare billing, Ohio enrollment
- 53 clinicians in this Medicare group
Clare, MI 48617
- Reassigned Medicare billing, Michigan enrollment
- 62 clinicians in this Medicare group
Gladwin, MI 48624
- Reassigned Medicare billing, Michigan enrollment
- 162 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Middlesboro Arh Hospital
Acute Care Hospitals · Middlesboro, KYHarlan Arh Hospital
Acute Care Hospitals · Harlan, KYGarden City Hospital
Acute Care Hospitals · Garden City, MILake Health
Acute Care Hospitals · Concord, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43614 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOLEDO, OH 43614
TOLEDO, OH 43614
TOLEDO, OH 43614
TOLEDO, OH 43614
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marcus Ma's NPI number?
The NPI number for Marcus Ma is 1336102847. It was assigned to this individual provider in the NPPES registry on April 7, 2006.
Where is Marcus Ma located?
Marcus Ma practices at 3000 Arlington Ave, Toledo, OH 43614. The listed phone number is (419) 383-3888.
What is Marcus Ma's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marcus Ma enrolled in Medicare?
Yes. Marcus Ma is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marcus Ma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Ma reassigns Medicare benefits to 23 organizations: Greater Toledo Urgent Cares, LLC. (Toledo, OH), Hles Of Ohio, Inc. (Wauseon, OH), Ihp Mi Emergency Medicine PLLC (Garden City, MI), Osup Community Outreach LLC (Dublin, OH), Emergency Medicine Physicians Of Lake County Ltd (Willoughby, OH) and 18 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marcus Ma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcus Ma accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and CareSource list Marcus Ma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marcus Ma affiliated with any hospitals?
According to CMS data, Marcus Ma is affiliated with Middlesboro Arh Hospital, Harlan Arh Hospital, Garden City Hospital and Lake Health.
When was this NPI record last updated?
The NPPES record for Marcus Ma was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marcus Ma, MD · NPI 1336102847
Emergency Medicine physician in Toledo, Ohio. Individual provider, active in the CMS NPPES registry since April 7, 2006.
## Identity
- **NPI:** 1336102847 (Entity type: Individual)
- **Enumerated:** April 7, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 35.074098 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 3000 ARLINGTON AVE, Toledo, OH 43614-2595
- **Phone:** (419) 383-3888 · **Fax:** (419) 383-2860
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 23 organizations under Medicare reassignment (form CMS-855R): Greater Toledo Urgent Cares, LLC. (NPI 1982993010, Toledo, OH); Hles Of Ohio, Inc. (NPI 1679806301, Wauseon, OH); Ihp Mi Emergency Medicine PLLC (NPI 1861147456, Garden City, MI); Osup Community Outreach LLC (NPI 1699179929, Dublin, OH); Emergency Medicine Physicians Of Lake County Ltd (NPI 1154763944, Willoughby, OH); and 18 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** August 17, 2026
- **Other identifiers:** Other 000000271442 (OH); Medicaid 2050855 (OH); Other 000000372959 (OH); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1336102847) · Data from the CMS NPPES public registry.