Dr. Mayra M. Rivera Santiago, MD

  • Zephyrhills, FL
  • Internist
NPI1083646913PAC ID3072598481
Medicare services, 2024
391
Medicare patients, 2024
117
Part D claims, 2024
4,253
Hospital affiliations
2
Industry payments
$12,089
Practice address
38021 Market Square Dr, Zephyrhills, FL 33542
Practice phone
Call (813) 715-0374
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Florida Medical Clinic Orlando Health Urgent Care

Urgent Care Center · Zephyrhills, Florida

See all 9 affiliations

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Dr. Mayra M. Rivera Santiago is an internist in Zephyrhills, Florida

Dr. Rivera Santiago practices at Florida Medical Clinic Orlando Health Urgent Care in Zephyrhills, Florida.

Dr. Rivera Santiago's NPI, 1083646913, was assigned on July 7, 2006. Dr. Rivera Santiago graduated from Michigan College of Medicine and Surgery in 1997. Dr. Rivera Santiago holds Florida license ME79661.

NPI and contact details
Medicare PAC ID
3072598481
NPI enumeration date
July 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(813) 715-0374
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mayra M. Rivera Santiago practices at Florida Medical Clinic Orlando Health Urgent Care in Zephyrhills, Florida

Dr. Rivera Santiago's primary practice is Florida Medical Clinic Orlando Health Urgent Care, at 38021 Market Square Dr, Zephyrhills, FL 33542. The practice phone is (813) 715-0374.

  • Florida Medical Clinic Orlando Health Urgent Care
    38021 Market Square Dr, Zephyrhills, FL 33542Phone(813) 715-0374

Source: Dmand AI Affiliation Data

Dr. Mayra M. Rivera Santiago is affiliated with 6 sites of care and 3 medical groups

Dr. Rivera Santiago's primary practice is Florida Medical Clinic Orlando Health Urgent Care in Zephyrhills, Florida. Dr. Rivera Santiago is also affiliated with AdventHealth Tampa. The medical group on file is Legacy Healthcare Services. Dmand AI also links Dr. Rivera Santiago to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 9 affiliations for Dr. Rivera Santiago

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mayra M. Rivera Santiago's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera Santiago practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Florida Medical Clinic Orlando Health Urgent CareAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mayra M. Rivera Santiago is one of 9,009 internists in Florida

Internal medicine is Dr. Rivera Santiago's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rivera Santiago is licensed in Florida.

Specialties and state licenses

  • Internal medicine, FloridaPrimaryLicense ME79661 · taxonomy 207R00000X

Internists near Dr. Rivera Santiago

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. Mayra M. Rivera Santiago billed Medicare for 391 services in 2024

CMS data shows 391 Medicare services from Dr. Rivera Santiago across 9 procedure codes in 2024, for 117 Medicare patients. Medicare paid $32,431 for them. Every service was in an office.

Medicare services, 2024391
Medicare patients117
Paid by Medicare$32,431
Procedure codes9

Dr. Rivera Santiago's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4662024: 25246%
Other services
2023: 1712024: 10042%
Tests and treatments
2023: 492024: 3920%

Dr. Rivera Santiago compared with the Florida median for internists, 2024

  • Dr. Rivera Santiago
  • Florida median
Medicare services
391vs 55530% below
Medicare patients
117vs 21546% below
Part D claims
3,565vs 4667.7 times

Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.

Dr. Rivera Santiago'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.

See all procedures by Dr. Rivera Santiago

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mayra M. Rivera Santiago treated 117 Medicare patients in 2024, average age 75

CMS counts 117 Medicare patients who saw Dr. Rivera Santiago in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Rivera Santiago's median patient age at 65, with 73% women.

Medicare patients, 2024117
Average age75
Average risk score1.03

Dr. Rivera Santiago's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Rivera Santiago's Medicare patients by sex, 2024

  • Women8169%
  • Men3631%

Chronic conditions among Dr. Rivera Santiago's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis48%
  4. Ischemic heart disease29%
  5. Diabetes24%
  6. Osteoporosis23%
  7. Atrial fibrillation18%
  8. Chronic kidney disease18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Rivera Santiago's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women73%
  • Men25%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mayra M. Rivera Santiago wrote 4,253 Medicare Part D claims in 2024

In 2024, Dr. Rivera Santiago wrote 4,253 Medicare Part D claims for 403 patients. 84% of them were for generic drugs. CMS names the drug for 3,565 of them, across 100 drugs with 11 or more claims each, at $331,587 in total drug cost. In 2023, CMS named 6,300 claims across 135 drugs.

Part D claims, 20244,253
Drugs named by CMS100
Total drug cost$331,587
Part D patients403

Dr. Rivera Santiago's Part D claims by kind of drug, 2024

  • Generic3,565 claims84%
  • Brand-name624 claims15%
  • Other64 claims2%

Dr. Rivera Santiago'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.

Drug classes CMS tracks in Dr. Rivera Santiago's Part D claims, 2024

  • Opioids3%146 of 4,253 claims
  • Antibiotics4%151 of 4,253 claims
  • Antipsychotics, patients 65 and over0%16 of 4,253 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,3002024: 3,56543%

Drugs named by CMS: 100 in 2024, 135 in 2023.

See all prescribing by Dr. Rivera Santiago

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. Mayra M. Rivera Santiago offers telehealth to Medicare patients

Dr. Rivera Santiago accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rivera Santiago as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Mayra M. Rivera Santiago received $12,089 in industry payments from 2016 to 2025

CMS Open Payments shows 810 general payments to Dr. Rivera Santiago from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Novo Nordisk Inc paid the most, $2,811.

General payments to Dr. Rivera Santiago by program year, 2016 to 2025

General payments to Dr. Rivera Santiago by kind, 2016 to 2025

$12.1Kin total
  • Food and beverage$11,85698%
  • Education$2342%

Companies that paid Dr. Rivera Santiago the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Rivera Santiago

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

Dr. Mayra M. Rivera Santiago graduated from Michigan College of Medicine and Surgery

Dr. Rivera Santiago graduated from Michigan College of Medicine and Surgery in 1997.

  1. Medical schoolMichigan College of Medicine and Surgery

Source: Dmand AI Professional Profile Data

Sources for Dr. Mayra M. Rivera Santiago'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 DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Mayra M. Rivera Santiago

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. Mayra M. Rivera Santiago's NPI number?

Dr. Mayra M. Rivera Santiago's NPI number is 1083646913. It was assigned on July 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mayra M. Rivera Santiago?

Dr. Mayra M. Rivera Santiago is an internist in Zephyrhills, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Mayra M. Rivera Santiago practice?

Dr. Rivera Santiago practices at 38021 Market Square Dr, Zephyrhills, FL 33542. Dr. Rivera Santiago's primary practice is Florida Medical Clinic Orlando Health Urgent Care in Zephyrhills, Florida. Dmand AI also links Dr. Rivera Santiago to 1 hospital, 3 group practices and clinics and 2 medical groups.

What is Dr. Mayra M. Rivera Santiago's office phone number?

The practice phone on file for Dr. Rivera Santiago is (813) 715-0374.

What is Dr. Mayra M. Rivera Santiago's medical license number?

Dr. Rivera Santiago holds Florida license ME79661.

Which hospitals is Dr. Mayra M. Rivera Santiago affiliated with?

Dr. Rivera Santiago is affiliated with AdventHealth Tampa. Dmand AI links Dr. Rivera Santiago to 1 more hospital.

What medical group is Dr. Mayra M. Rivera Santiago part of?

Dr. Rivera Santiago is linked to Legacy Healthcare Services. Dmand AI links Dr. Rivera Santiago to 2 more medical groups.

Does Dr. Mayra M. Rivera Santiago accept Medicare?

Yes. CMS data shows Dr. Rivera Santiago billed Medicare for 391 services in 2024, and Dr. Rivera Santiago accepts Medicare assignment.

Does Dr. Mayra M. Rivera Santiago offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Rivera Santiago as offering telehealth services.

How many Medicare patients does Dr. Mayra M. Rivera Santiago see?

CMS counts 117 Medicare patients who saw Dr. Rivera Santiago in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Dr. Mayra M. Rivera Santiago bill to Medicare?

In 2024, Dr. Rivera Santiago's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).

Where did Dr. Mayra M. Rivera Santiago go to medical school?

Dr. Rivera Santiago graduated from Michigan College of Medicine and Surgery in 1997.

What drugs does Dr. Mayra M. Rivera Santiago prescribe most?

In 2024 Medicare Part D data, Dr. Rivera Santiago's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Mayra M. Rivera Santiago received payments from drug or device companies?

CMS Open Payments shows $12,089 in general payments to Dr. Rivera Santiago from 47 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.

How long has Dr. Mayra M. Rivera Santiago been practicing?

Dr. Rivera Santiago graduated from medical school in 1997, 29 years ago.

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