NPPES file of Aug 9, 2026

Michael Harris Blume, M.D.

Gastroenterology Physician · Baltimore, MD

Michael Harris Blume, M.D. is a gastroenterology physician with a practice address in Baltimore, Maryland, and NPI 1285602813, issued on Mar 9, 2006. Check the license (Maryland D24240, 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
1285602813
Name
Michael Harris Blume
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
D24240 MD
0101272036 VA
Self-reported in NPPES; status is on the state search
Practice location
801 Key Hwy Unit 241, Baltimore, MD 21230
Phone
(443) 759-5483
Enumerated
Mar 9, 2006
Record last updated
Aug 1, 2025
Fax
(410) 510-1418
Medicaid ID
268081500 MD
Medicare enrollment
Enrolled (PECOS I20210908000613); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 1978
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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Verify Michael Harris Blume in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D24240
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 80.3 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 score79.3
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  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 2 group practices

  1. Martha Jefferson Medical Group LLCCharlottesville, VA
  2. Sentara Medical GroupNorfolk, VA

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

Michael Harris Blume among 505 gastroenterology physician records in Maryland

Michael Harris Blume, M.D. is one of 505 gastroenterology physician records with a practice address in Maryland. 81% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 46% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1978 · median 2002 among the 344 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Maryland

There are 505 gastroenterology physician records in Maryland.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ralph Updike, MDBaltimore, MD 212291952384992
  2. Thomas Abernathy, M.D.Catonsville, MD 212281538105697
  3. Muhammad Afzal, M.D.Catonsville, MD 212281578561833
  4. Allen Banegura, M.D.Catonsville, MD 212281780895854
  5. Christopher Kim, M.D.Catonsville, MD 212281922006931
  6. Ghita Moussaide, M.D.Catonsville, MD 212281649535667
  7. Natarajan Ravendhran, M.D.Catonsville, MD 212281821071069
  8. Justin Rosemore, D.O.Catonsville, MD 212281861491425

Common questions

What is Michael Harris Blume, M.D.'s NPI number?

Michael Harris Blume, M.D.'s National Provider Identifier (NPI) is 1285602813, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Harris Blume, M.D. located?

The NPPES record lists a practice address at 801 Key Hwy Unit 241, Baltimore, MD, 21230. Phone: (443) 759-5483. Providers update this record themselves, so call before visiting.

How can I verify Michael Harris Blume, M.D.'s license?

NPPES lists Maryland license number D24240, 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 Michael Harris Blume, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.3 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.