Marcus Ma, MD
Emergency Medicine Physician · Toledo, OH
Marcus Ma, MD is an emergency medicine physician with a practice address in Toledo, Ohio, and NPI 1336102847, issued on Apr 7, 2006. Check the license (Ohio 35-07-4098, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Marcus Ma
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 35-07-4098 OH
MD17582 ME
15858C WY
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Arlington Ave, Toledo, OH 43614
- Phone
- (419) 383-3888
- Enumerated
- Apr 7, 2006
- Record last updated
- Dec 18, 2025
- Fax
- (419) 383-2860
- Medicaid IDs
- 2050855 OH
810547599032 OH
4443886 MI - Medicare enrollment
- Enrolled (PECOS I20050228001051); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 3000 Arlington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hassan-James AbbasSurgery Physician1891317947
- Moshrik Abd-Alamir, M.D.Cardiovascular Disease Physician1386879054
- Ahmad Abdelrahman, MDInternal Medicine Physician1134859192
- Yasser Abu-Sabha, MDStudent in an Organized Health Care Education/Training Program1225886369
- Laana AbutahaStudent in an Organized Health Care Education/Training Program1649080656
- Kelsey AdamsPhysician Assistant1427828458
Verify Marcus Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-07-4098Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average emergency medicine physician in 2024
245 Medicare Part D claims for 171 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Naproxen24 claims
- Azithromycin22 claims
- Ondansetron Odt21 claims
- Acetaminophen-Codeine18 claims
- Cyclobenzaprine Hcl17 claims
- Hydrocodone-Acetaminophen16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Emergency Medicine Physicians OF Lake County LtdWilloughby, OH
- Green Valley Emergency Physicians, LLCBarbourville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Ma among 3,002 emergency medicine physician records in Ohio
Marcus Ma, MD is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1994 · median 2013 among the 1,720 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 emergency medicine physician records list a practice address in Toledo
They are 208 of the 13,583 NPPES records with a practice address in Toledo, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Toledo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nael Bahhur, MDToledo, OH 436141275599763
- Thomas Boggs, DOToledo, OH 436141679734107
- Kristopher Brickman, M.D.Toledo, OH 436141649373838
- Matthew Graber, MDToledo, OH 436141942228093
- Stephen Grider, DOToledo, OH 436141326073495
- Rhonda Hercher, MDToledo, OH 436141720011968
- Pingching Kwan, M.D.Toledo, OH 436141174757553
- Walid Mahmoud, MDToledo, OH 436141285611020
Common questions
What is Marcus Ma, MD's NPI number?
Marcus Ma, MD's National Provider Identifier (NPI) is 1336102847, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Ma, MD located?
The NPPES record lists a practice address at 3000 Arlington Ave, Toledo, OH, 43614. Phone: (419) 383-3888. Providers update this record themselves, so call before visiting.
How can I verify Marcus Ma, MD's license?
NPPES lists Ohio license number 35-07-4098, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcus Ma, MD prescribe under Medicare Part D?
In 2024, Marcus Ma, MD had 245 Medicare Part D claims for 171 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.