NPPES file of Aug 9, 2026

Nathan A. Irvin, M.D.

Emergency Medicine Physician · Baltimore, MD

Nathan A. Irvin, M.D. is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1720217631, issued on Jul 13, 2009. Check the license (Maryland D76556, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720217631
Name
Nathan A. Irvin
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
D76556 MD
MD442760 PA
Self-reported in NPPES; status is on the state search
Practice location
600 N Wolfe St, Baltimore, MD 21264
Phone
(410) 955-5080
Enumerated
Jul 13, 2009
Record last updated
Apr 2, 2024
Medicare enrollment
Enrolled (PECOS I20130814000024); may accept Medicare assignment
Medical or professional school
Harvard Medical School, 2007
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.
Download card Updates feed

Also registered at 600 N Wolfe St

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

  1. Adriana Booker-RojasPhysician Assistant1528770351
  2. Agnieszka Boron, MDDiagnostic Radiology Physician1477015956
  3. Justin CranePhysical Medicine & Rehabilitation Physician1851928089
  4. Nauder Faraday, M.D.Anesthesiology Physician1831125970
  5. Michael Figueiredo, AU.D.Audiologist1598380404
  6. Harry Flaster, M.D.Emergency Medicine Physician1629311485

Verify Nathan A. Irvin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D76556
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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).

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).

Nathan A. Irvin among 1,190 emergency medicine physician records in Maryland

Nathan A. Irvin, M.D. is one of 1,190 emergency 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 2009, is newer than 55% of them.

  • NPI issued2009 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2007 · median 2010 among the 571 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

505 emergency medicine physician records list a practice address in Baltimore

They are 505 of the 35,183 NPPES records with a practice address in Baltimore, and 1,190 emergency medicine physician records in Maryland.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Harry Flaster, M.D.Baltimore, MD 212641629311485
  2. Shaun Harty, M.D.Baltimore, MD 212641275995201
  3. Evelyn HuangBaltimore, MD 212641912533928
  4. Suzette Ikejiani, MDBaltimore, MD 212641073179446
  5. Rhamin Ligon-Nunez, MDBaltimore, MD 212641902905342
  6. Monika Misak, MDBaltimore, MD 212641487141966
  7. Douglas FloccareBaltimore, MD 212731215047972
  8. Amanda Bauer, D.O.Baltimore, MD 212441083849392

Common questions

What is Nathan A. Irvin, M.D.'s NPI number?

Nathan A. Irvin, M.D.'s National Provider Identifier (NPI) is 1720217631, issued on Jul 13, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nathan A. Irvin, M.D. located?

The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21264. Phone: (410) 955-5080. Providers update this record themselves, so call before visiting.

How can I verify Nathan A. Irvin, M.D.'s license?

NPPES lists Maryland license number D76556, 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.

What is Nathan A. Irvin, 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.