Dr. Mary Elizabeth Belles, MD
- Medicare services, 2024
- 756
- Medicare patients, 2024
- 251
- Part D claims, 2024
- 371
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 4220 Harding Rd, PO Box 380, Nashville, TN 37205
- Practice phone
- Call (615) 222-2111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Mary Elizabeth Belles is an internist in Nashville, Tennessee
Dr. Belles practices at Ascension Saint Thomas Hospital West in Nashville, Tennessee, part of Ascension Health Alliance.
Dr. Belles' NPI, 1124581913, was assigned on April 9, 2019. Dr. Belles graduated from University of Tennessee, Hsc, College of Medicine in 2019. Dr. Belles holds Tennessee license 65661.
- NPI
- 1124581913NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042543167
- NPI enumeration date
- April 9, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 222-2111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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. Mary Elizabeth Belles practices at Ascension Saint Thomas Hospital West in Nashville, Tennessee
Dr. Belles' primary practice is Ascension Saint Thomas Hospital West, at 4220 Harding Rd, PO Box 380, Nashville, TN 37205 in Davidson County. The practice phone is (615) 222-2111.
- Ascension Saint Thomas Hospital West4220 Harding Rd, PO Box 380, Nashville, TN 37205 · Davidson CountyPhone(615) 222-2111
Source: Dmand AI Affiliation Data
Dr. Mary Elizabeth Belles is affiliated with 4 sites of care and 2 medical groups
Dr. Belles' primary practice is Ascension Saint Thomas Hospital West in Nashville, Tennessee, part of Ascension Health Alliance. Dr. Belles is also affiliated with Vanderbilt University Medical Center. The medical group on file is Ascension Saint Thomas Medical Partners. Dmand AI also links Dr. Belles to 2 more hospitals 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. Mary Elizabeth Belles' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Belles practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Saint Thomas Hospital West | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary Elizabeth Belles is one of 2,427 internists in Tennessee
Internal medicine is Dr. Belles' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Belles is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Belles
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. Mary Elizabeth Belles billed Medicare for 756 services in 2024
CMS data shows 756 Medicare services from Dr. Belles across 4 procedure codes in 2024, for 251 Medicare patients. Medicare paid $64,062 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Belles' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9432024: 75620%
Dr. Belles compared with the Tennessee median for internists, 2024
- Dr. Belles
- Tennessee median
- Medicare services
- 756vs 67113% above
- Medicare patients
- 251vs 22213% above
- Part D claims
- 120vs 33464% below
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Belles' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Elizabeth Belles treated 251 Medicare patients in 2024, average age 78
CMS counts 251 Medicare patients who saw Dr. Belles in 2024. The largest group is 75 to 84, with 89 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.52, 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. Belles' median patient age at 76, with 55% women.
Dr. Belles' Medicare patients by age, 2024
Dr. Belles' Medicare patients by sex, 2024
- Women13453%
- Men11747%
Chronic conditions among Dr. Belles' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Chronic kidney disease59%
- Ischemic heart disease59%
- Heart failure49%
- Mood disorders48%
- Anxiety45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Belles' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Elizabeth Belles wrote 371 Medicare Part D claims in 2024
In 2024, Dr. Belles wrote 371 Medicare Part D claims for 170 patients. 94% of them were for generic drugs. CMS names the drug for 120 of them, across 7 drugs with 11 or more claims each, at $1,563 in total drug cost. In 2023, CMS named 229 claims across 12 drugs.
Dr. Belles' Part D claims by kind of drug, 2024
- Generic350 claims94%
- Brand-name21 claims6%
Dr. Belles' 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. Belles' Part D claims, 2024
- Opioids9%33 of 371 claims
- Antibiotics22%83 of 371 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: 2292024: 12048%
Drugs named by CMS: 7 in 2024, 12 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
How Dr. Mary Elizabeth Belles takes part in Medicare
Dr. Belles 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. Mary Elizabeth Belles graduated from University of Tennessee, Hsc, College of Medicine
Dr. Belles graduated from University of Tennessee, Hsc, College of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary Elizabeth Belles'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Mary Elizabeth Belles
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. Mary Elizabeth Belles' NPI number?
Dr. Mary Elizabeth Belles' NPI number is 1124581913. It was assigned on April 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Elizabeth Belles?
Dr. Mary Elizabeth Belles is an internist in Nashville, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary Elizabeth Belles practice?
Dr. Belles practices at 4220 Harding Rd, PO Box 380, Nashville, TN 37205. Dr. Belles' primary practice is Ascension Saint Thomas Hospital West in Nashville, Tennessee, part of Ascension Health Alliance. Dmand AI also links Dr. Belles to 2 hospitals and 1 medical group.
What is Dr. Mary Elizabeth Belles' office phone number?
The practice phone on file for Dr. Belles is (615) 222-2111.
What is Dr. Mary Elizabeth Belles' medical license number?
Dr. Belles holds Tennessee license 65661.
Which hospitals is Dr. Mary Elizabeth Belles affiliated with?
Dr. Belles practices at Ascension Saint Thomas Hospital West in Nashville, Tennessee. Dr. Belles is also affiliated with Vanderbilt University Medical Center. Dmand AI links Dr. Belles to 2 more hospitals.
What medical group is Dr. Mary Elizabeth Belles part of?
Dr. Belles is linked to Ascension Saint Thomas Medical Partners. Dmand AI links Dr. Belles to 1 more medical group.
Does Dr. Mary Elizabeth Belles accept Medicare?
Yes. CMS data shows Dr. Belles billed Medicare for 756 services in 2024, and Dr. Belles accepts Medicare assignment.
How many Medicare patients does Dr. Mary Elizabeth Belles see?
CMS counts 251 Medicare patients who saw Dr. Belles in 2024, with an average age of 78.
What services does Dr. Mary Elizabeth Belles bill to Medicare?
In 2024, Dr. Belles' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
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Where did Dr. Mary Elizabeth Belles go to medical school?
Dr. Belles graduated from University of Tennessee, Hsc, College of Medicine in 2019.
What drugs does Dr. Mary Elizabeth Belles prescribe most?
In 2024 Medicare Part D data, Dr. Belles' most prescribed drugs by claims were Oxycodone HCl, Cefdinir and Amoxicillin-Clavulanate Potass.
How long has Dr. Mary Elizabeth Belles been practicing?
Dr. Belles graduated from medical school in 2019, 7 years ago.
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