Registry data as of Aug 27, 2026

Marie Bellantoni, MD

Endocrinology, Diabetes & Metabolism Physician · Baltimore, MD

Marie Bellantoni, MD is an endocrinology, diabetes & metabolism physician with a practice address in Baltimore, Maryland, and NPI 1104893395, issued on Mar 7, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1104893395
Name
Marie Bellantoni
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
Practice location
301 St Paul St, Baltimore, MD 21202
Phone
(410) 332-9800
Enumerated
Mar 7, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Marie Bellantoni in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Maryland license search

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20% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,197 Medicare Part D claims for 351 beneficiaries, against an average of 2,739 among the 6,176 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Marie Bellantoni2,197
  2. Specialty average2,739

Most prescribed

  1. Levothyroxine Sodium474 claims
  2. Synthroid133 claims
  3. Basaglar Kwikpen U-10098 claims
  4. Ozempic85 claims
  5. Lantus Solostar83 claims
  6. Raloxifene Hcl82 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 83.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.7
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $170.82

8 payments, mostly food and beverage; the largest payer was Amneal Pharmaceuticals LLC. The 4,299 providers of this specialty with any payment received $6,068.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marie Bellantoni$170.82
  2. Specialty average$6,068.67

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. St Paul Place Specialists, Inc.Baltimore, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Endocrinology, Diabetes & Metabolism Physician providers in Maryland

There are 251 endocrinology, diabetes & metabolism physician records in Maryland.

Other endocrinology, diabetes & metabolism physician records in Maryland

  1. Smita Abraham, MDSilver Spring, MD1831180603
  2. Georgette Abrell, RNBaltimore, MD1902636699
  3. Marnie Aguasvivas Bello, M.D.Baltimore, MD1669829115
  4. Rexford Ahima, MDBaltimore, MD1568492627
  5. Sabreen Ahmed, MDGreenbelt, MD1821452749
  6. Shabina Ahmed, M.D.Bethesda, MD1023145521
  7. Sana Akbar, M.DGreenbelt, MD1922448604
  8. Mohammad Al-Jundi, MBBSLeonardtown, MD1427401900
  9. Ghadah Al-Naqeeb, M.B.CH.BBethesda, MD1487185948
  10. Neelofar Alam, MDSilver Spring, MD1407954258

Common questions

What is Marie Bellantoni, MD's NPI number?

Marie Bellantoni, MD's National Provider Identifier (NPI) is 1104893395, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marie Bellantoni, MD located?

The NPPES record lists a practice address at 301 St Paul St, Baltimore, MD, 21202. Phone: (410) 332-9800. Providers update this record themselves, so call before visiting.

How can I verify Marie Bellantoni, MD's license?

Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marie Bellantoni, MD prescribe under Medicare Part D?

In 2024, Marie Bellantoni, MD had 2,197 Medicare Part D claims for 351 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,739. Part D covers Medicare prescriptions only.

What is Marie Bellantoni, MD's Medicare quality score?

The 2023 MIPS final score is 83.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.