NPPES file of Aug 9, 2026

Chloe Thio, M.D.

Infectious Disease Physician · Baltimore, MD

Chloe Thio, M.D. is an infectious disease physician with a practice address in Baltimore, Maryland, and NPI 1225069974, issued on Jul 5, 2006. Check the license (Maryland D53042, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225069974
Name
Chloe Thio
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
D53042 MD
Self-reported in NPPES; status is on the state search
Practice location
1717 E Monument St, Baltimore, MD 21287
Phone
(410) 955-1725
Enumerated
Jul 5, 2006
Record last updated
Jan 5, 2024
Medicaid ID
025903900 MD
Medicare enrollment
Enrolled (PECOS I20100720000595); may accept Medicare assignment
Medical or professional school
Yale University School Of Medicine, 1992
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 1717 E Monument St

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

  1. Allison Agwu, M.D.Internal Medicine Physician1598802027
  2. Annukka Antar, M.D., PH.D.Internal Medicine Physician1932425113
  3. Justin Bailey, M.D.Internal Medicine Physician1790980399
  4. Ashwin Balagopal, M.D.Internal Medicine Physician1295872927
  5. Christie Basseth, M.D.Internal Medicine Physician1972568426
  6. David Block, M.D.Internal Medicine Physician1679539787

Verify Chloe Thio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D53042
    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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34% fewer Medicare Part D claims than the average infectious disease physician in 2024

457 Medicare Part D claims for 27 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Chloe Thio457
  2. Specialty average689

Most prescribed

  1. Biktarvy48 claims
  2. Atorvastatin Calcium42 claims
  3. Amlodipine Besylate39 claims
  4. Cabenuva14 claims
  5. Odefsey13 claims
  6. Chlorthalidone12 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 MIPS final score for 2023 (Medicare payment program): 74.4 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 score64.7
  2. Costout of 100 · 30%52.4
  3. Promoting interoperabilityout of 100 · 25%97.0
  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: $2,425.00

1 payment: consulting fee; the largest payer was ModernaTX, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chloe Thio$2,425.00
  2. Specialty average$4,362.19

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 Thio among 410 infectious disease physician records in Maryland

Chloe Thio, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated1992 · median 2002 among the 202 with a school on file
  • Record last updated2024 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Maryland

There are 410 infectious disease physician records in Maryland.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Adriana Andrade, M.D.Baltimore, MD 212871255395521
  2. Robin Avery, M.D.Baltimore, MD 212871740244318
  3. Robert Bollinger, M.D.Baltimore, MD 212871316904915
  4. Luciana Borio, M.D.Baltimore, MD 212871346206570
  5. Sara Cosgrove, M.D.Baltimore, MD 212871851347983
  6. Andrea Cox, M.D.Baltimore, MD 212871952341950
  7. Lesia Dropulic, M.D.Baltimore, MD 212871396792354
  8. Anna Durbin, M.D.Baltimore, MD 212871326089541

Common questions

What is Chloe Thio, M.D.'s NPI number?

Chloe Thio, M.D.'s National Provider Identifier (NPI) is 1225069974, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chloe Thio, M.D. located?

The NPPES record lists a practice address at 1717 E Monument St, Baltimore, MD, 21287. Phone: (410) 955-1725. Providers update this record themselves, so call before visiting.

How can I verify Chloe Thio, M.D.'s license?

NPPES lists Maryland license number D53042, 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 Thio, M.D. prescribe under Medicare Part D?

In 2024, Chloe Thio, M.D. had 457 Medicare Part D claims for 27 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Chloe Thio, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.4 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), 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.