Dr. Brenda L. Ma, DO

  • Saginaw, MI
  • General surgeon
NPI1144883703PAC ID5890026934
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Occupational Therapy - Mackinaw Ot - HOPD

Acute Care Hospital outpatient department · Saginaw, Michigan

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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 and contact details
Medicare PAC ID
5890026934
NPI enumeration date
April 19, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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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 - HOPD
    5400 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.

See all 6 affiliations for Dr. Ma

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.

EHR by site
SiteEHR vendor and product
Occupational Therapy - Mackinaw Ot - HOPDAvailable with a free account
+3 more sites and 1 medical groupAvailable 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, ArkansasPrimaryLicense E-17454 · taxonomy 208600000X

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.

Medicare patients, 202411
Average age69
Average risk score1.10

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.

Part D claims, 202445
Drugs named by CMS1
Total drug cost$316
Part D patients29

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.

See all prescribing by Dr. Ma

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.

Papers6
Years published2021 to 2024

Dr. Ma's papers by year, 2021 to 2024

Topics Dr. Ma writes about most

  • Cysts

Dr. Ma's most frequent co-authors

Recent publications by Dr. Ma

See all 6 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Ma

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Brenda L. Ma's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Show 3 more questionsShow fewer questions

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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