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DR. MICHAEL HARRIS BLUME M.D.
NPI 1285602813
Internal Medicine - Gastroenterology in Baltimore, MD

Active since March 09, 2006PECOS Enrolled
90.6/100
CMS Quality Rating
801 KEY HWY UNIT 241, BALTIMORE, MD 21230(443) 759-5483(410) 510-1418 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Nov 21, 2023, Apr 4, 2023, Dec 6, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Michael Harris Blume M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL HARRIS BLUME M.D. (NPI 1285602813) is an individual gastroenterology provider in Baltimore, Maryland, licensed in Virginia (0101272036) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1285602813
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MICHAEL HARRIS BLUMECredential: M.D.
Location Address801 KEY HWY UNIT 241Baltimore, MD 21230-3984
Mailing Address801 Key Hwy Unit 241Baltimore, MD 21230-3984 · (443) 759-5483 · Fax (410) 510-1418
Phone(443) 759-5483
Fax(410) 510-1418
Sole ProprietorYes
Enumeration DateMarch 9, 2006
Last NPPES UpdateAugust 1, 20254 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
✔ NPI 1285602813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in VA · 0101272036✔ Licensed in MD · D24240
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 0101272036 (VA)
801 KEY HWY UNIT 241, Baltimore, MD 21230
Open in Google Maps ↗

Secondary Practice Locations 5

Location 144045 Riverside PkwyLeesburg, VA 20176-5101 · Phone (703) 858-6000 · Fax (703) 858-6900
Location 22501 Parkers LnAlexandria, VA 22306-3209 · Phone (703) 664-7000 · Fax (703) 664-7666
Location 34320 Seminary RdAlexandria, VA 22304-1535 · Phone (703) 504-3000 · Fax (703) 504-3388
Location 4824 N Military Hwy Ste 100Norfolk, VA 23502-3652 · Phone (888) 236-2263
Location 5500 Martha Jefferson Dr # 5Charlottesville, VA 22911-4668 · Phone (434) 654-5260 · Fax (844) 340-9731

Other Identifiers 1

Medicaid268081500MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael Harris Blume M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
53 services53 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
32 services27 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
23 services23 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
21 services19 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
17 services17 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21230 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.6/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.56
Promoting Interoperability100
Improvement Activities40
Cost58.92

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Blume's NPI number?

The NPI number for Michael Blume is 1285602813. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is Michael Blume located?

Michael Blume practices at 801 Key Hwy Unit 241, Baltimore, MD 21230. The listed phone number is (443) 759-5483.

What is Michael Blume's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Blume enrolled in Medicare?

Yes. Michael Blume is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michael Blume was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.