NPPES file of Aug 9, 2026

Sean Anthony Isaac, MD

Anesthesiology Physician · Baltimore, MD

Sean Anthony Isaac, MD is an anesthesiology physician with a practice address in Baltimore, Maryland, and NPI 1386835767, issued on Aug 9, 2007. Check the license (Maryland D66135, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386835767
Name
Sean Anthony Isaac
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
D66135 MD
MD479390 PA
Self-reported in NPPES; status is on the state search
Practice location
4940 Eastern Ave, Baltimore, MD 21224
Phone
(410) 550-0100
Enumerated
Aug 9, 2007
Record last updated
Jan 14, 2026
Medicare enrollment
Enrolled (PECOS I20230725002152); accepts Medicare assignment
Medical or professional school
New York Medical College, 2003
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 4940 Eastern Ave

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

  1. Jared Abay, PA-CSurgical Physician Assistant1659427342
  2. Alexandra Abbate, MDObstetrics & Gynecology Physician1194287003
  3. Anas AbdullahStudent in an Organized Health Care Education/Training Program1184040917
  4. Asma Abeer, PA-CMedical Physician Assistant1386356442
  5. Mona Abraham, MDStudent in an Organized Health Care Education/Training Program1245807395
  6. Sherifatu Abu, MDInternal Medicine Physician1093372922

Verify Sean Anthony Isaac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D66135
    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.

Bills Medicare through 3 group practices

  1. Geisinger ClinicDanville, PA
  2. Upmc Pinnacle Anesthesia Services LLCHarrisburg, PA
  3. Wellspan Medical GroupYork, PA

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

Sean Anthony Isaac among 1,253 anesthesiology physician records in Maryland

Sean Anthony Isaac, MD is one of 1,253 anesthesiology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 39% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2003 · median 2005 among the 813 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

523 anesthesiology physician records list a practice address in Baltimore

They are 523 of the 35,183 NPPES records with a practice address in Baltimore, and 1,253 anesthesiology physician records in Maryland.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Haitham Algrain, MDBaltimore, MD 212241275671349
  2. Tangwan Azefor, MDBaltimore, MD 212241336341742
  3. Mary Brady, M.D.Baltimore, MD 212241740247774
  4. Asha Chari, MDBaltimore, MD 212241356430292
  5. Kristin Cheung, M.D.Baltimore, MD 212241770533028
  6. Jian Hang, M.D., PH.D.Baltimore, MD 212241457300444
  7. Paul Hoehner, MD, MA, FAHABaltimore, MD 212241780652453
  8. Krista Isaacs, M.D.Baltimore, MD 212241972559821

Common questions

What is Sean Anthony Isaac, MD's NPI number?

Sean Anthony Isaac, MD's National Provider Identifier (NPI) is 1386835767, issued on Aug 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sean Anthony Isaac, MD located?

The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-0100. Providers update this record themselves, so call before visiting.

How can I verify Sean Anthony Isaac, MD's license?

NPPES lists Maryland license number D66135, 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.

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.