Iredell Waddell Iglehart, M.D.
Internal Medicine Physician · Baltimore, MD
Iredell Waddell Iglehart, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1841289337, issued on Oct 17, 2005. Check the license (Maryland D33400, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Iredell Waddell Iglehart
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D33400 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6301 N Charles St, Baltimore, MD 21212
- Phone
- (410) 372-0300
- Enumerated
- Oct 17, 2005
- Record last updated
- May 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 372-0304
- Medicaid ID
- 286881400 MD
- Medicare enrollment
- Enrolled (PECOS I20040218000991); may accept Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 6301 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Iredell Waddell Iglehart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D33400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average internal medicine physician in 2024
4,966 Medicare Part D claims for 327 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 90 claims were for opioids.
Most prescribed
- Atorvastatin Calcium443 claims
- Zolpidem Tartrate240 claims
- Losartan Potassium217 claims
- Amlodipine Besylate173 claims
- Eliquis156 claims
- Metoprolol Succinate127 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 MIPS final score for 2023 (Medicare payment program): 9.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Iredell Waddell Iglehart among 3,904 internal medicine physician records in Maryland
Iredell Waddell Iglehart, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2003 among the 2,445 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
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Common questions
What is Iredell Waddell Iglehart, M.D.'s NPI number?
Iredell Waddell Iglehart, M.D.'s National Provider Identifier (NPI) is 1841289337, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Iredell Waddell Iglehart, M.D. located?
The NPPES record lists a practice address at 6301 N Charles St, Baltimore, MD, 21212. Phone: (410) 372-0300. Providers update this record themselves, so call before visiting.
How can I verify Iredell Waddell Iglehart, M.D.'s license?
NPPES lists Maryland license number D33400, 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 Iredell Waddell Iglehart, M.D. prescribe under Medicare Part D?
In 2024, Iredell Waddell Iglehart, M.D. had 4,966 Medicare Part D claims for 327 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Iredell Waddell Iglehart, M.D.'s MIPS final score?
The 2023 MIPS final score is 9.8 of 100. 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.