Dr. Brenda L. Ma, DO
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 45
- Publications
- 6
- Hospital affiliations
- 1
- Industry payments
- $952
- Practice address
- 5400 Mackinaw Rd, Saginaw, MI 48604
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Occupational Therapy - Mackinaw Ot - HOPD
Acute Care Hospital outpatient department · Saginaw, Michigan
Find Dr. Ma's professional email, personal email and mobile number
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Dr. Brenda L. Ma is a general surgeon in Saginaw, Michigan
Dr. Ma practices at Occupational Therapy - Mackinaw Ot - HOPD in Saginaw, Michigan.
Dr. Ma's NPI, 1144883703, was assigned on April 19, 2019. Dr. Ma holds Arkansas license E-17454.
- NPI
- 1144883703NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890026934
- NPI enumeration date
- April 19, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brenda L. Ma practices at Occupational Therapy - Mackinaw Ot - HOPD in Saginaw, Michigan
Dr. Ma's primary practice is Occupational Therapy - Mackinaw Ot - HOPD, at 5400 Mackinaw Rd, Saginaw, MI 48604.
- Occupational Therapy - Mackinaw Ot - HOPD5400 Mackinaw Rd, Saginaw, MI 48604
Source: Dmand AI Affiliation Data
Dr. Brenda L. Ma is affiliated with 4 sites of care and 2 medical groups
Dr. Ma's primary practice is Occupational Therapy - Mackinaw Ot - HOPD in Saginaw, Michigan. Dr. Ma is also affiliated with Covenant Medical Center Harrison. The medical group on file is Covenant Medical Group. Dmand AI also links Dr. Ma to 1 more group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Brenda L. Ma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ma practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Occupational Therapy - Mackinaw Ot - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brenda L. Ma is one of 1,095 general surgeons in Michigan
Surgery is Dr. Ma's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ma is licensed in Arkansas.
Specialties and state licenses
- Surgery, ArkansasPrimary
General surgeons near Dr. Ma
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brenda L. Ma treated 11 Medicare patients in 2024, average age 69
CMS counts 11 Medicare patients who saw Dr. Ma in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ma's median patient age at 58, with 97% women.
Dr. Ma's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women97%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brenda L. Ma wrote 45 Medicare Part D claims in 2024
In 2024, Dr. Ma wrote 45 Medicare Part D claims for 29 patients. 100% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $316 in total drug cost.
Dr. Ma's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Brenda L. Ma ranks in the 76th percentile for mastectomy in Medicare
Dr. Ma accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of mastectomy by Dr. Ma, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ma ranks in Medicare procedure volume
- Mastectomy
- 76th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Brenda L. Ma has 6 publications on record
Dmand AI links 6 papers to Dr. Ma, published from 2021 to 2024. 2023 was the busiest year, with 4. The most frequent topics are Cysts. Dr. Ma has published most often in Am Surg. Dr. Ma's most frequent co-authors are Wade Christopher, David Emile Sawaya, MD and Alexandra Denelle Morgan, MD.
Dr. Ma's papers by year, 2021 to 2024
Topics Dr. Ma writes about most
- Cysts
Dr. Ma's most frequent co-authors
- Wade Christopher2 shared papers
- David Emile Sawaya, MD2 shared papers
- Alexandra Denelle Morgan, MD1 shared paper
Recent publications by Dr. Ma
Surgical Resection of Bilateral Polycystic Ovaries Causing Ureteral Obstruction (opens in a new tab)
Am Surg
See who Dr. Ma researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ma works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brenda L. Ma received $952 in industry payments from 2021 to 2025
CMS Open Payments shows 9 general payments to Dr. Ma from 6 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $449.
General payments to Dr. Ma by program year, 2021 to 2025
Companies that paid Dr. Ma the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brenda L. Ma's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brenda L. Ma
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brenda L. Ma's NPI number?
Dr. Brenda L. Ma's NPI number is 1144883703. It was assigned on April 19, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Brenda L. Ma?
Dr. Brenda L. Ma is a general surgeon in Saginaw, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Brenda L. Ma practice?
Dr. Ma practices at 5400 Mackinaw Rd, Saginaw, MI 48604. Dr. Ma's primary practice is Occupational Therapy - Mackinaw Ot - HOPD in Saginaw, Michigan. Dmand AI also links Dr. Ma to 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Brenda L. Ma's medical license number?
Dr. Ma holds Arkansas license E-17454.
Which hospitals is Dr. Brenda L. Ma affiliated with?
Dr. Ma is affiliated with Covenant Medical Center Harrison.
What medical group is Dr. Brenda L. Ma part of?
Dr. Ma is linked to Covenant Medical Group. Dmand AI links Dr. Ma to 1 more medical group.
Does Dr. Brenda L. Ma accept Medicare?
Yes. CMS lists Dr. Ma as accepting Medicare assignment.
How many Medicare patients does Dr. Brenda L. Ma see?
CMS counts 11 Medicare patients who saw Dr. Ma in 2024, with an average age of 69.
What drugs does Dr. Brenda L. Ma prescribe most?
In 2024 Medicare Part D data, Dr. Ma's most prescribed drugs by claims were Anastrozole.
Has Dr. Brenda L. Ma received payments from drug or device companies?
CMS Open Payments shows $952 in general payments to Dr. Ma from 6 companies from 2021 to 2025. The largest total came from Baxter Healthcare.
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How long has Dr. Brenda L. Ma been practicing?
Dr. Ma graduated from medical school in 2019, 7 years ago.
Does Dr. Brenda L. Ma do research?
Dmand AI links 6 publications to Dr. Ma, published from 2021 to 2024.
Who does Dr. Brenda L. Ma publish with?
Dr. Ma's most frequent co-authors are Wade Christopher (2 shared papers), David Emile Sawaya, MD (2 shared papers) and Alexandra Denelle Morgan, MD (1 shared paper).
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