NPPES file of Aug 9, 2026

Robert R. Redfield, M.D.

Infectious Disease Physician · Baltimore, MD

Robert R. Redfield, M.D. is an infectious disease physician with a practice address in Baltimore, Maryland, and NPI 1568402717, issued on Jun 7, 2006. Check the license (Maryland D25013, 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
1568402717
Name
Robert R. Redfield
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
D25013 MD
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 706-4613
Enumerated
Jun 7, 2006
Record last updated
Nov 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(410) 706-4619
Medicaid IDs
5857333 VA
951800200 MD
Medicare enrollment
Enrolled (PECOS I20101109000130); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1977
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 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Robert R. Redfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D25013
    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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91% fewer Medicare Part D claims than the average infectious disease physician in 2024

65 Medicare Part D claims for 19 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Robert Redfield65
  2. Specialty average689

Most prescribed

  1. Maraviroc14 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: $98,387.00

6 payments; by number, the most common kind was consulting fee; the largest payer was Roche Diagnostics Corporation. 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. Robert Redfield$98,387
  2. Specialty average$4,362

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. Greater Baltimore Medical Center IncTimonium, MD

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

Robert R. Redfield among 410 infectious disease physician records in Maryland

Robert R. Redfield, 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
  • Graduated1977 · median 2002 among the 202 with a school on file
  • Record last updated2010 · 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. Africa Alvarez-McLeod, M.D.Baltimore, MD 212011033116603
  2. William Anthony, MD MBABaltimore, MD 212011326025081
  3. Chandralekha Banerjee, MDBaltimore, MD 212011114902210
  4. William Blattner, MDBaltimore, MD 212011528020757
  5. Mayurika Ghosh, MDBaltimore, MD 212011497730592
  6. Kent Kester, M.D.Baltimore, MD 212011649250622
  7. Mariam Khambaty, M.D.Baltimore, MD 212011124080809
  8. Kirsten Lyke, M.D.Baltimore, MD 212011164416400

Common questions

What is Robert R. Redfield, M.D.'s NPI number?

Robert R. Redfield, M.D.'s National Provider Identifier (NPI) is 1568402717, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert R. Redfield, M.D. located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 706-4613. Providers update this record themselves, so call before visiting.

How can I verify Robert R. Redfield, M.D.'s license?

NPPES lists Maryland license number D25013, 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 Robert R. Redfield, M.D. prescribe under Medicare Part D?

In 2024, Robert R. Redfield, M.D. had 65 Medicare Part D claims for 19 beneficiaries; the average among infectious disease physician prescribers was 689. 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.