DR. MICHAEL HARRIS BLUME (M.D.) – Gastroenterology Physician, NPI 1285602813
Gastroenterology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
540 GASTROENTEROLOGY in VA
Provider Addresses for DR. MICHAEL HARRIS BLUME (M.D.)
4320 Seminary Rd
Alexandria, VA 223041535
Phone: (703) 504-3000
Fax: (703) 504-3388
Type: Location
44045 Riverside Pkwy
Leesburg, VA 201765101
Phone: (703) 858-6000
Fax: (703) 858-6900
Type: Location
2501 Parkers Ln
Alexandria, VA 223063209
Phone: (703) 664-7000
Fax: (703) 664-7666
Type: Location
824 N Military Hwy Ste 100
Norfolk, VA 235023652
Phone: (888) 236-2263
Type: Location
500 Martha Jefferson Dr # 5
Charlottesville, VA 229114668
Phone: (434) 654-5260
Fax: (844) 340-9731
Type: Location
801 KEY HWY UNIT 241
BALTIMORE, MD 212303984
Phone: (443) 759-5483
Fax: (410) 510-1418
Type: Mailing
MedStar Good Samaritan Hospital, 5601, Loch Raven Boulevard, Woodbourne Heights, Baltimore, Maryland, 21239, United States
RUSSELL MORGAN BLDG., 3RD FLOOR
BALTIMORE, MD 212392905
Phone: (410) 464-5600
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-09-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20101207000589 | I | Gastroenterology | MD | TBD |
| I20210907002109 | I | Gastroenterology | DC | TBD |
| I20210908000613 | I | Gastroenterology | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 55 | 55 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 31 | 31 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 18 | 18 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 22304)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MD | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MD | |
| - | MD | |
| - | MD | |
| - | MD | |
| Internal Medicine | MD | |
| Critical Care (Intensivists), Sleep Medicine, Pulmonary Disease | MD | |
| - | MD | |
| Diagnostic Radiology, Interventional Radiology | PA | |
| Geriatric Medicine, Internal Medicine | MD | |
| Orthopedic Surgery | MD |
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