Dr. Mariana M. Tawadrous, DO

  • Mesa, AZ
  • Internist
NPI1881639029PAC ID5294790283
Medicare services, 2024
372
Medicare patients, 2024
343
Part D claims, 2024
55
MIPS score, 2024
77
Industry payments
$158
Practice address
7227 E Baseline Rd, Mesa, AZ 85209
Practice phone
Call (480) 868-9650
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Atlas Medical

Mesa, Arizona

See all 7 affiliations

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Dr. Mariana M. Tawadrous is an internist in Mesa, Arizona

Dr. Tawadrous practices at Atlas Medical in Mesa, Arizona.

Dr. Tawadrous' NPI, 1881639029, was assigned on June 20, 2006. Dr. Tawadrous graduated from Des Moines University in 1998. Dr. Tawadrous holds Texas license R4484.

NPI and contact details
Medicare PAC ID
5294790283
NPI enumeration date
June 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(480) 868-9650
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

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

Dr. Mariana M. Tawadrous practices at Atlas Medical in Mesa, Arizona

Dr. Tawadrous' primary practice is Atlas Medical, at 7227 E Baseline Rd, Mesa, AZ 85209 in Maricopa County. The practice phone is (480) 868-9650.

  • Atlas Medical
    7227 E Baseline Rd, Mesa, AZ 85209 · Maricopa CountyPhone(480) 868-9650

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mariana M. Tawadrous is affiliated with 3 sites of care and 4 medical groups

Dr. Tawadrous' primary practice is Atlas Medical in Mesa, Arizona. The medical group on file is Atlas Medical. Dmand AI also links Dr. Tawadrous to 3 more medical groups and 2 group practices and clinics, each named with a free account.

See all 7 affiliations for Dr. Tawadrous

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Mariana M. Tawadrous' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tawadrous practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Atlas MedicalAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mariana M. Tawadrous is one of 2,420 internists in Arizona

Internal medicine is Dr. Tawadrous' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tawadrous is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tawadrous is licensed in Texas.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense R4484 · taxonomy 207R00000X

Internists near Dr. Tawadrous

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. Mariana M. Tawadrous billed Medicare for 372 services in 2024

CMS data shows 372 Medicare services from Dr. Tawadrous across 2 procedure codes in 2024, for 343 Medicare patients. Medicare paid $49,575 for them. Every service was in an office.

Medicare services, 2024372
Medicare patients343
Paid by Medicare$49,575
Procedure codes2

Dr. Tawadrous' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1892024: 37297%

Dr. Tawadrous compared with the Arizona median for internists, 2024

  • Dr. Tawadrous
  • Arizona median
Medicare services
372vs 47622% below
Medicare patients
343vs 20567% above
Part D claims
29vs 26089% below

Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.

Dr. Tawadrous' 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. Tawadrous

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

Dr. Mariana M. Tawadrous treated 343 Medicare patients in 2024, average age 84

CMS counts 343 Medicare patients who saw Dr. Tawadrous in 2024. The largest group is 85 and over, with 197 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.69, 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. Tawadrous' median patient age at 84, with 69% women.

Medicare patients, 2024343
Average age84
Average risk score1.69
Also on Medicaid10%

Dr. Tawadrous' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tawadrous' Medicare patients by sex, 2024

  • Women24371%
  • Men10029%

Chronic conditions among Dr. Tawadrous' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Anxiety69%
  4. Alzheimer's and dementia68%
  5. Arthritis51%
  6. Mood disorders49%
  7. Chronic kidney disease47%
  8. Depression47%

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

Dr. Tawadrous' patients across all payers

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

Patient panel by age, all payers

Median age 84

Patient panel by sex, all payers

  • Women69%
  • Men31%

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

Dr. Mariana M. Tawadrous wrote 55 Medicare Part D claims in 2024

In 2024, Dr. Tawadrous wrote 55 Medicare Part D claims. 58% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $3,733 in total drug cost. In 2018, CMS named 14 claims across 1 drug.

Part D claims, 202455
Drugs named by CMS2
Total drug cost$3,733

Dr. Tawadrous' Part D claims by kind of drug, 2024

  • Generic32 claims58%
  • Brand-name23 claims42%

Dr. Tawadrous' 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.

Part D claims for drugs CMS names, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 142024: 29107%

Drugs named by CMS: 2 in 2024, 1 in 2018.

See all prescribing by Dr. Tawadrous

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. Mariana M. Tawadrous scored 77 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 77 out of 100 for Dr. Tawadrous for performance year 2024, reported as part of a group. Dr. Tawadrous accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Tawadrous' MIPS scores, performance year 2024

  • 77of 100Final score
  • 66.2of 100Quality
  • 40of 100Improvement Activities
  • 67of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Mariana M. Tawadrous received $158 in industry payments from 2019 to 2024

CMS Open Payments shows 9 general payments to Dr. Tawadrous from 5 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Cumberland Pharmaceuticals, Inc. paid the most, $57.

General payments to Dr. Tawadrous by program year, 2019 to 2024

Companies that paid Dr. Tawadrous the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Tawadrous

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

Dr. Mariana M. Tawadrous graduated from Des Moines University

Dr. Tawadrous graduated from Des Moines University in 1998.

  1. Medical schoolDes Moines University
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in obesity medicineAmerican Board of Obesity Medicine
  4. Board certified in internal medicineAOA Board of Internal Medicine
  5. Board certified in 2023 - 2026AZ State License
  6. Board certified in 1998 - 2002IL State License
  7. Board certified in 2017 - 2026TX State License
  8. Board certified in 2001 - 2025WI State License

Source: Dmand AI Professional Profile Data

Dr. Mariana M. Tawadrous accepts plans from 23 insurance carriers

Dr. Tawadrous is in network with 23 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Tawadrous accepts, by number of carriers

  1. PPO13
  2. HMO12
  3. Medicare9
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mariana M. Tawadrous'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Mariana M. Tawadrous

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. Mariana M. Tawadrous' NPI number?

Dr. Mariana M. Tawadrous' NPI number is 1881639029. It was assigned on June 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mariana M. Tawadrous?

Dr. Mariana M. Tawadrous is an internist in Mesa, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Mariana M. Tawadrous practice?

Dr. Tawadrous practices at 7227 E Baseline Rd, Mesa, AZ 85209. Dr. Tawadrous' primary practice is Atlas Medical in Mesa, Arizona. Dmand AI also links Dr. Tawadrous to 3 medical groups and 2 group practices and clinics.

What is Dr. Mariana M. Tawadrous' office phone number?

The practice phone on file for Dr. Tawadrous is (480) 868-9650.

What is Dr. Mariana M. Tawadrous' medical license number?

Dr. Tawadrous holds Texas license R4484.

What medical group is Dr. Mariana M. Tawadrous part of?

Dr. Tawadrous is linked to Atlas Medical. Dmand AI links Dr. Tawadrous to 3 more medical groups.

Does Dr. Mariana M. Tawadrous accept Medicare?

Yes. CMS data shows Dr. Tawadrous billed Medicare for 372 services in 2024, and Dr. Tawadrous accepts Medicare assignment.

What is Dr. Mariana M. Tawadrous' MIPS score?

Dr. Tawadrous' MIPS final score for performance year 2024 is 77 out of 100, reported as part of a group.

How many Medicare patients does Dr. Mariana M. Tawadrous see?

CMS counts 343 Medicare patients who saw Dr. Tawadrous in 2024, with an average age of 84.

Is Dr. Mariana M. Tawadrous board certified?

Yes. Dr. Tawadrous is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Mariana M. Tawadrous bill to Medicare?

In 2024, Dr. Tawadrous' most billed Medicare services were home visit (99350) and home visit (99349).

Where did Dr. Mariana M. Tawadrous go to medical school?

Dr. Tawadrous graduated from Des Moines University in 1998.

What drugs does Dr. Mariana M. Tawadrous prescribe most?

In 2024 Medicare Part D data, Dr. Tawadrous' most prescribed drugs by claims were Metformin HCl and Eliquis.

Has Dr. Mariana M. Tawadrous received payments from drug or device companies?

CMS Open Payments shows $158 in general payments to Dr. Tawadrous from 5 companies from 2019 to 2024. The largest total came from Cumberland Pharmaceuticals, Inc.

How long has Dr. Mariana M. Tawadrous been practicing?

Dr. Tawadrous graduated from medical school in 1998, 28 years ago.

What insurance does Dr. Mariana M. Tawadrous accept?

Dr. Tawadrous is in network with 23 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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