What is Michael Blume's NPI number?

Michael Blume's National Provider Identifier (NPI) is 1285602813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Blume's specialty?

Michael Blume is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Michael Blume located?

Michael Blume's practice location on file with NPPES is 801 Key Hwy Unit 241, Baltimore, MD 21230-3984.

What is Michael Blume's phone number?

The practice phone number listed in the NPPES registry for Michael Blume is (443) 759-5483.

Does Michael Blume accept Medicare?

Michael Blume is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Michael Blume's NPI active?

Yes — Michael Blume's NPI (1285602813) is active in the NPPES registry as of the last update on 2025-08-01.

IndividualActiveAccepts Medicare

Michael Blume, M.D.

NPI 1285602813 · Gastroenterology Physician · Baltimore, MD

Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Michael Blume, M.D. is a Gastroenterology Physician provider in Baltimore, MD (NPI 1285602813).

Provider details

NPI number: 1285602813
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 0101272036 (VA)

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense 0101272036 (VA)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 0101272036 (VA)
Allopathic & Osteopathic Physicians
Gastroenterology Physician207RG0100XLicense D24240 (MD)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(76/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
6 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
176 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222	53	$134
Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231	32	$49
Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239	23	$100
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	21	$78
Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235	17	$104

Practice location

801 Key Hwy Unit 241

Baltimore, MD 21230-3984

Phone: (443) 759-5483

Fax: (410) 510-1418

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Mailing address