Rizwan Ahmed, M.D.
NPI 1841469061 · Gastroenterology Physician · Manassas, VA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rizwan Ahmed, M.D. is a Gastroenterology Physician provider in Manassas, VA (NPI 1841469061).
Provider details
- NPI number
- 1841469061
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101256346 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
439 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 | 82 | $109 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 74 | $93 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 71 | $154 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 48 | $153 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 30 | $170 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 176 | 74 |
| Pantoprazole Sodium | 86 | 29 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 46 | 15 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 34 | 34 |
| Famotidine | 24 | — |
| Esomeprazole Magnesium | 22 | — |
| Ondansetron Hcl | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$642 across 24 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
Additional practice locations (5)
- 1010 Three Springs Blvd Ste 270Durango, CO 81301-8296Phone: (970) 764-3800Fax: (970) 764-3840
- 500 Martha Jefferson DrCharlottesville, VA 22911-4668Phone: (434) 654-5260Fax: (434) 654-5260
- 24430 Stone Springs Blvd Ste 250Dulles, VA 20166-2268Phone: (571) 248-0653
- 7915 Lake Manassas Dr Ste 302Gainesville, VA 20155-3260Phone: (571) 248-0653
- 170 W Shirley Ave Ste 205Warrenton, VA 20186-3083Phone: (540) 347-2470
Registry dates
- Enumerated
- 2008-02-21
- Last updated
- 2026-02-13
- Certified
- 2026-02-13
Frequently asked questions
- What is Rizwan Ahmed's NPI number?
- Rizwan Ahmed's National Provider Identifier (NPI) is 1841469061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rizwan Ahmed's specialty?
- Rizwan Ahmed is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Rizwan Ahmed located?
- Rizwan Ahmed's practice location on file with NPPES is 8640 Sudley Rd Ste 201, Manassas, VA 20110-4404.
- What is Rizwan Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Rizwan Ahmed is (703) 368-6819.
- Does Rizwan Ahmed accept Medicare?
- Rizwan Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rizwan Ahmed's NPI active?
- Yes — Rizwan Ahmed's NPI (1841469061) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.