Dr. Marilyn Seda, MD
- Medicare services, 2024
- 411
- Medicare patients, 2024
- 143
- Part D claims, 2024
- 200
- Hospital affiliations
- 1
- Industry payments
- $2,153
- Practice address
- 601 E Rollins St, Orlando, FL 32803
- Practice phone
- Call (407) 303-1976
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Seda's professional email, personal email and mobile number
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Dr. Marilyn Seda is an internist in Orlando, Florida
Dr. Seda practices at AdventHealth Orlando in Orlando, Florida, part of AdventHealth.
Dr. Seda's NPI, 1104022458, was assigned on June 25, 2007. Dr. Seda holds Puerto Rico license 17788.
- NPI
- 1104022458NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042465254
- NPI enumeration date
- June 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (407) 303-1976
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marilyn Seda practices at AdventHealth Orlando in Orlando, Florida
Dr. Seda's primary practice is AdventHealth Orlando, at 601 E Rollins St, Orlando, FL 32803 in Orange County. The practice phone is (407) 303-1976.
- AdventHealth Orlando601 E Rollins St, Orlando, FL 32803 · Orange CountyPhone(407) 303-1976
Source: Dmand AI Affiliation Data
Dr. Marilyn Seda is affiliated with 1 site of care and 2 medical groups
Dr. Seda's primary practice is AdventHealth Orlando in Orlando, Florida, part of AdventHealth. The medical group on file is AdventHealth Medical Group. Dmand AI also links Dr. Seda to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marilyn Seda's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seda practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Orlando | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marilyn Seda is one of 9,009 internists in Florida
Internal medicine is Dr. Seda's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Seda is licensed in Puerto Rico.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
Internists near Dr. Seda
Counts of internists 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. Marilyn Seda billed Medicare for 411 services in 2024
CMS data shows 411 Medicare services from Dr. Seda across 3 procedure codes in 2024, for 143 Medicare patients. Medicare paid $26,307 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Seda's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3602024: 41114%
Dr. Seda compared with the Florida median for internists, 2024
- Dr. Seda
- Florida median
- Medicare services
- 411vs 55526% below
- Medicare patients
- 143vs 21533% below
- Part D claims
- 11vs 46698% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Seda's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Seda and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marilyn Seda treated 143 Medicare patients in 2024, average age 76
CMS counts 143 Medicare patients who saw Dr. Seda in 2024. The largest group is 75 to 84, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.36, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Seda's median patient age at 67, with 61% women.
Dr. Seda's Medicare patients by age, 2024
Dr. Seda's Medicare patients by sex, 2024
- Women7552%
- Men6848%
Chronic conditions among Dr. Seda's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Ischemic heart disease57%
- Chronic kidney disease55%
- Heart failure54%
- Arthritis52%
- Mood disorders46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Seda's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marilyn Seda wrote 200 Medicare Part D claims in 2024
In 2024, Dr. Seda wrote 200 Medicare Part D claims for 89 patients. 83% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $27 in total drug cost. In 2019, CMS named 26 claims across 2 drugs.
Dr. Seda's Part D claims by kind of drug, 2024
- Generic166 claims83%
- Brand-name and other34 claims17%
Dr. Seda's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Seda's Part D claims, 2024
- Opioids6%11 of 200 claims
- Antibiotics15%30 of 200 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2019 to 2023
- 2019
- 2023
- Claims for drugs CMS names
- 2019: 262023: 1158%
Drugs named by CMS: 1 in 2023, 2 in 2019.
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
How Dr. Marilyn Seda takes part in Medicare
Dr. Seda accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marilyn Seda received $2,153 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Seda from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $506.
General payments to Dr. Seda by program year, 2016 to 2025
Companies that paid Dr. Seda the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marilyn Seda'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| 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. Marilyn Seda
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. Marilyn Seda's NPI number?
Dr. Marilyn Seda's NPI number is 1104022458. It was assigned on June 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Marilyn Seda?
Dr. Marilyn Seda is an internist in Orlando, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marilyn Seda practice?
Dr. Seda practices at 601 E Rollins St, Orlando, FL 32803. Dr. Seda's primary practice is AdventHealth Orlando in Orlando, Florida, part of AdventHealth. Dmand AI also links Dr. Seda to 1 medical group.
What is Dr. Marilyn Seda's office phone number?
The practice phone on file for Dr. Seda is (407) 303-1976.
What is Dr. Marilyn Seda's medical license number?
Dr. Seda holds Puerto Rico license 17788.
Which hospitals is Dr. Marilyn Seda affiliated with?
Dr. Seda practices at AdventHealth Orlando in Orlando, Florida.
What medical group is Dr. Marilyn Seda part of?
Dr. Seda is linked to AdventHealth Medical Group. Dmand AI links Dr. Seda to 1 more medical group.
Does Dr. Marilyn Seda accept Medicare?
Yes. CMS data shows Dr. Seda billed Medicare for 411 services in 2024, and Dr. Seda accepts Medicare assignment.
How many Medicare patients does Dr. Marilyn Seda see?
CMS counts 143 Medicare patients who saw Dr. Seda in 2024, with an average age of 76.
What services does Dr. Marilyn Seda bill to Medicare?
In 2024, Dr. Seda's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99222).
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What drugs does Dr. Marilyn Seda prescribe most?
In 2023 Medicare Part D data, Dr. Seda's most prescribed drugs by claims were Furosemide.
Has Dr. Marilyn Seda received payments from drug or device companies?
CMS Open Payments shows $2,153 in general payments to Dr. Seda from 13 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Marilyn Seda been practicing?
Dr. Seda graduated from medical school in 2003, 23 years ago.
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