Roulay Thammavong, M.D.
NPI 1609924984 · Internal Medicine Physician · Middletown, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roulay Thammavong, M.D. is a Internal Medicine Physician provider in Middletown, OH (NPI 1609924984).
Provider details
- NPI number
- 1609924984
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD431273 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,099 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 | 639 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 235 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 91 | $122 |
| Advance Care Planning, First 30 Minutes99497 | 88 | $77 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $158 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 134 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 551 | 191 |
| Amlodipine Besylate | 453 | 141 |
| Levothyroxine Sodium | 448 | 136 |
| Duloxetine Hcl | 269 | 65 |
| Losartan Potassium | 267 | 93 |
| Metformin Hcl | 259 | 89 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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 (2)
- 577 N State Route 741Lebanon, OH 45036-9576Phone: (513) 424-2535
- 580 N St Route 741 Ste 300Lebanon, OH 45036-6806Phone: (513) 974-8300Fax: (513) 974-4151
Registry dates
- Enumerated
- 2007-01-05
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Frequently asked questions
- What is Roulay Thammavong's NPI number?
- Roulay Thammavong's National Provider Identifier (NPI) is 1609924984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roulay Thammavong's specialty?
- Roulay Thammavong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roulay Thammavong located?
- Roulay Thammavong's practice location on file with NPPES is 200 N Breiel Blvd, Middletown, OH 45042-3893.
- What is Roulay Thammavong's phone number?
- The practice phone number listed in the NPPES registry for Roulay Thammavong is (513) 424-2535.
- Does Roulay Thammavong accept Medicare?
- Roulay Thammavong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roulay Thammavong's NPI active?
- Yes — Roulay Thammavong's NPI (1609924984) is active in the NPPES registry as of the last update on 2026-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.