Tonya Adams, M.D.
NPI 1861472862 · Gastroenterology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tonya Adams, M.D. is a Gastroenterology Physician provider in Fairfax, VA (NPI 1861472862).
Provider details
- NPI number
- 1861472862
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0101231069 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,166 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 321 | $69 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 274 | $53 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $100 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 74 | $122 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 98 | 94 |
| Famotidine | 68 | 28 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 59 | 59 |
| Pantoprazole Sodium | 42 | 22 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 32 | 31 |
| Dicyclomine Hcl | 21 | 11 |
| Sucralfate | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,285 across 108 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 (1)
- 3700 Joseph Siewick Dr Ste 308Fairfax, VA 22033-1739Phone: (703) 698-8960Fax: (647) 646-4744
Registry dates
- Enumerated
- 2006-01-18
- Last updated
- 2019-05-07
Frequently asked questions
- What is Tonya Adams's NPI number?
- Tonya Adams's National Provider Identifier (NPI) is 1861472862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonya Adams's specialty?
- Tonya Adams is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Tonya Adams located?
- Tonya Adams's practice location on file with NPPES is 3028 Javier Rd Ste 500, Fairfax, VA 22031.
- What is Tonya Adams's phone number?
- The practice phone number listed in the NPPES registry for Tonya Adams is (703) 698-8960.
- Does Tonya Adams accept Medicare?
- Tonya Adams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tonya Adams's NPI active?
- Yes — Tonya Adams's NPI (1861472862) is active in the NPPES registry as of the last update on 2019-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.