Michael Brown, M.D.
NPI 1861488637 · Gastroenterology Physician · Woodbridge, VA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Brown, M.D. is a Gastroenterology Physician provider in Woodbridge, VA (NPI 1861488637).
Provider details
- NPI number
- 1861488637
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101225441 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
586 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $88 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 60 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 58 | $160 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 56 | $259 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 57 | 23 |
| Famotidine | 22 | — |
| Linaclotidebrand: Linzess | 22 | — |
| Dicyclomine Hcl | 16 | — |
| Rifaximinbrand: Xifaxan | 13 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 12 | — |
| Oxycodone Hcl | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,436 across 115 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-27
- Last updated
- 2018-02-13
Frequently asked questions
- What is Michael Brown's NPI number?
- Michael Brown's National Provider Identifier (NPI) is 1861488637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Brown's specialty?
- Michael Brown is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Brown located?
- Michael Brown's practice location on file with NPPES is 14010 Smoketown Rd, Woodbridge, VA 22192-4704.
- What is Michael Brown's phone number?
- The practice phone number listed in the NPPES registry for Michael Brown is (703) 580-0181.
- Does Michael Brown accept Medicare?
- Michael Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Brown's NPI active?
- Yes — Michael Brown's NPI (1861488637) is active in the NPPES registry as of the last update on 2018-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.