NPPES file of Aug 9, 2026

Chloe Ruth Duvall, MD

Cardiovascular Disease Physician · Baltimore, MD

Chloe Ruth Duvall, MD is a cardiovascular disease physician with a practice address in Baltimore, Maryland, and NPI 1679132377, issued on Jun 7, 2019. Check the license (Maryland D98395, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679132377
Name
Chloe Ruth Duvall
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
D98395 MD
Self-reported in NPPES; status is on the state search
Practice location
1800 Orleans St, Baltimore, MD 21287
Phone
(410) 955-5000
Enumerated
Jun 7, 2019
Record last updated
Mar 17, 2025
Medicare enrollment
Enrolled (PECOS I20250603000126); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1800 Orleans St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kara AbarcarEmergency Medicine Physician1285195123
  2. Catherine Abbot, CRNPStudent in an Organized Health Care Education/Training Program1942093810
  3. Ahamed Akmal Abdul Rahman Lebbe, MDStudent in an Organized Health Care Education/Training Program1255208427
  4. Arielle AbovichStudent in an Organized Health Care Education/Training Program1972122703
  5. Luis Acosta, MDStudent in an Organized Health Care Education/Training Program1922859537
  6. Nihmotallahi Adebayo, MDStudent in an Organized Health Care Education/Training Program1033058334

Verify Chloe Ruth Duvall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D98395
    Check 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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96% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

134 Medicare Part D claims for 35 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Chloe Duvall134
  2. Specialty average3,078

Most prescribed

  1. Amlodipine Besylate33 claims
  2. Metoprolol Succinate20 claims
  3. Jardiance18 claims
  4. Clopidogrel11 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.

Industry payments in 2024: $92.58

1 payment: food and beverage; the largest payer was Amgen Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chloe Duvall$92.58
  2. Specialty average$3,819.56

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

Bills Medicare through one group practice

  1. Johns Hopkins UniversityBaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chloe Ruth Duvall among 613 cardiovascular disease physician records in Maryland

Chloe Ruth Duvall, MD is one of 613 cardiovascular disease physician records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.

  • NPI issued2019 · 96% of these records are older, 1% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 1997 among the 389 with a school on file
  • Record last updated2025 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Maryland

There are 613 cardiovascular disease physician records in Maryland.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Stephen Achuff, M.D.Baltimore, MD 212871326001033
  2. Mark Anderson, MD PHDBaltimore, MD 212871922050772
  3. Ernest Arnett, M.D.Baltimore, MD 212871972568202
  4. Thomas Aversano, M.D.Baltimore, MD 212871609831460
  5. Lewis Becker, M.D.Baltimore, MD 212871003871906
  6. Roger Blumenthal, M.D.Baltimore, MD 212871396701074
  7. Jeffrey Brinker, M.D.Baltimore, MD 212871356309959
  8. Gary Gerstenblith, M.D.Baltimore, MD 212871477591758

Common questions

What is Chloe Ruth Duvall, MD's NPI number?

Chloe Ruth Duvall, MD's National Provider Identifier (NPI) is 1679132377, issued on Jun 7, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Chloe Ruth Duvall, MD located?

The NPPES record lists a practice address at 1800 Orleans St, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.

How can I verify Chloe Ruth Duvall, MD's license?

NPPES lists Maryland license number D98395, as entered by the provider. 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 Chloe Ruth Duvall, MD prescribe under Medicare Part D?

In 2024, Chloe Ruth Duvall, MD had 134 Medicare Part D claims for 35 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.