Prashan Thiagarajah, MD
NPI 1184924417 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prashan Thiagarajah, MD is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1184924417).
Provider details
- NPI number
- 1184924417
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD447320 (PA)
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
15 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
2,873 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 | 573 | $120 |
| 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 | 363 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 274 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 221 | $74 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 164 | $12 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 365 | 102 |
| Rosuvastatin Calcium | 253 | 76 |
| Levothyroxine Sodium | 216 | 57 |
| Losartan Potassium | 208 | 55 |
| Pantoprazole Sodium | 200 | 58 |
| Amlodipine Besylate | 182 | 47 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,133 across 199 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
- 2010-11-03
- Last updated
- 2023-02-02
- Certified
- 2023-02-02
Frequently asked questions
- What is Prashan Thiagarajah's NPI number?
- Prashan Thiagarajah's National Provider Identifier (NPI) is 1184924417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prashan Thiagarajah's specialty?
- Prashan Thiagarajah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Prashan Thiagarajah located?
- Prashan Thiagarajah's practice location on file with NPPES is 3601 Mcknight East Dr, Pittsburgh, PA 15237-6400.
- What is Prashan Thiagarajah's phone number?
- The practice phone number listed in the NPPES registry for Prashan Thiagarajah is (412) 369-9943.
- Does Prashan Thiagarajah accept Medicare?
- Prashan Thiagarajah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prashan Thiagarajah's NPI active?
- Yes — Prashan Thiagarajah's NPI (1184924417) is active in the NPPES registry as of the last update on 2023-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.