Dr. Mariana Isabel Chavez, MD
- Medicare services, 2024
- 242
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 265
- MIPS score, 2024
- 86
- Hospital affiliations
- 3
- Practice address
- 2300 Patterson Street, Nashville, TN 37203
- Practice phone
- Call (615) 342-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chavez's professional email, personal email and mobile number
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Dr. Mariana Isabel Chavez is a surgical oncologist in Nashville, Tennessee
Dr. Chavez practices at TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare.
Dr. Chavez's NPI, 1265787550, was assigned on July 23, 2012. Dr. Chavez holds Tennessee license MD58628.
- NPI
- 1265787550NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274807813
- NPI enumeration date
- July 23, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (615) 342-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mariana Isabel Chavez practices at TriStar Centennial Medical Center in Nashville, Tennessee
Dr. Chavez's primary practice is TriStar Centennial Medical Center, at 2300 Patterson Street, Nashville, TN 37203 in Davidson County. The practice phone is (615) 342-1000.
- TriStar Centennial Medical Center2300 Patterson Street, Nashville, TN 37203 · Davidson CountyPhone(615) 342-1000
Source: Dmand AI Affiliation Data
Dr. Mariana Isabel Chavez is affiliated with 5 sites of care and 2 medical groups
Dr. Chavez's primary practice is TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare. Dr. Chavez is also affiliated with Ascension Saint Thomas Hospital West. The medical group on file is Tennessee Oncology. Dmand AI also links Dr. Chavez to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mariana Isabel Chavez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chavez practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TriStar Centennial Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mariana Isabel Chavez is one of 56 surgical oncologists in Tennessee
Surgical oncology is Dr. Chavez's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Chavez is licensed in Tennessee.
Specialties and state licenses
- Surgical oncology, TennesseePrimary
Surgical oncologists near Dr. Chavez
Counts of surgical oncologists 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 Isabel Chavez billed Medicare for 242 services in 2024
CMS data shows 242 Medicare services from Dr. Chavez across 9 procedure codes in 2024, for 170 Medicare patients. Medicare paid $20,316 for them.
Dr. Chavez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1972024: 1932%
- Imaging
- 2023: 282024: 307%
- Surgery
- 2023: 442024: 1957%
Where Dr. Chavez's Medicare services took place, 2024
- In an office17472%
- In a facility6828%
Dr. Chavez compared with the Tennessee median for surgical oncologists, 2024
- Dr. Chavez
- Tennessee median
- Medicare services
- 242vs 13875% above
- Medicare patients
- 170vs 8893% above
- Part D claims
- 196vs 267.5 times
Medians across 51 surgical oncologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Chavez'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. Chavez and other surgical oncologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mariana Isabel Chavez treated 170 Medicare patients in 2024, average age 73
CMS counts 170 Medicare patients who saw Dr. Chavez in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.52, 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. Chavez's median patient age at 67, with 56% women.
Dr. Chavez's Medicare patients by age, 2024
Dr. Chavez's Medicare patients by sex, 2024
- Women10964%
- Men6136%
Chronic conditions among Dr. Chavez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis44%
- Diabetes36%
- Anxiety31%
- Ischemic heart disease31%
- Chronic kidney disease28%
- Cancer25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chavez'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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mariana Isabel Chavez wrote 265 Medicare Part D claims in 2024
In 2024, Dr. Chavez wrote 265 Medicare Part D claims for 108 patients. 86% of them were for generic drugs. CMS names the drug for 196 of them, across 5 drugs with 11 or more claims each, at $32,057 in total drug cost. In 2023, CMS named 170 claims across 5 drugs.
Dr. Chavez's Part D claims by kind of drug, 2024
- Generic229 claims86%
- Brand-name36 claims14%
Dr. Chavez'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. Chavez's Part D claims, 2024
- Opioids29%77 of 265 claims
- Antibiotics16%42 of 265 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: 1702024: 19615%
Drugs named by CMS: 5 in 2024, 5 in 2023.
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 Isabel Chavez scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Chavez for performance year 2024, reported as part of a group. Dr. Chavez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chavez as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chavez's MIPS scores, performance year 2024
- 86of 100Final score
- 70.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mariana Isabel Chavez received $14,174 in industry payments from 2017 to 2025
CMS Open Payments shows 79 general payments to Dr. Chavez from 18 drug and device companies from 2017 to 2025. Education make up the largest share, 49% of the total. Intuitive Surgical, Inc. paid the most, $12,036.
General payments to Dr. Chavez by program year, 2017 to 2025
General payments to Dr. Chavez by kind, 2017 to 2025
- Education$7,00049%
- Travel and lodging$4,04929%
- Food and beverage$3,11622%
- Gifts$90%
Companies that paid Dr. Chavez the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mariana Isabel Chavez'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Mariana Isabel Chavez
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 Isabel Chavez's NPI number?
Dr. Mariana Isabel Chavez's NPI number is 1265787550. It was assigned on July 23, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Mariana Isabel Chavez?
Dr. Mariana Isabel Chavez is a surgical oncologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Mariana Isabel Chavez practice?
Dr. Chavez practices at 2300 Patterson Street, Nashville, TN 37203. Dr. Chavez's primary practice is TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare. Dmand AI also links Dr. Chavez to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Mariana Isabel Chavez's office phone number?
The practice phone on file for Dr. Chavez is (615) 342-1000.
What is Dr. Mariana Isabel Chavez's medical license number?
Dr. Chavez holds Tennessee license MD58628.
Which hospitals is Dr. Mariana Isabel Chavez affiliated with?
Dr. Chavez practices at TriStar Centennial Medical Center in Nashville, Tennessee. Dr. Chavez is also affiliated with Ascension Saint Thomas Hospital West. Dmand AI links Dr. Chavez to 1 more hospital.
What medical group is Dr. Mariana Isabel Chavez part of?
Dr. Chavez is linked to Tennessee Oncology. Dmand AI links Dr. Chavez to 1 more medical group.
Does Dr. Mariana Isabel Chavez accept Medicare?
Yes. CMS data shows Dr. Chavez billed Medicare for 242 services in 2024, and Dr. Chavez accepts Medicare assignment.
Does Dr. Mariana Isabel Chavez offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chavez as offering telehealth services.
What is Dr. Mariana Isabel Chavez's MIPS score?
Dr. Chavez's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Mariana Isabel Chavez see?
CMS counts 170 Medicare patients who saw Dr. Chavez in 2024, with an average age of 73.
What services does Dr. Mariana Isabel Chavez bill to Medicare?
In 2024, Dr. Chavez's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).
What drugs does Dr. Mariana Isabel Chavez prescribe most?
In 2024 Medicare Part D data, Dr. Chavez's most prescribed drugs by claims were Famotidine, Tramadol HCl and Creon.
Has Dr. Mariana Isabel Chavez received payments from drug or device companies?
CMS Open Payments shows $14,174 in general payments to Dr. Chavez from 18 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mariana Isabel Chavez been practicing?
Dr. Chavez graduated from medical school in 2009, 17 years ago.
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