Siddharth Pahwa
NPI 1003398207 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siddharth Pahwa is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Louisville, KY (NPI 1003398207).
Provider details
- NPI number
- 1003398207
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- FL060 (KY)
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
7 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
98 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) |
|---|---|---|
| Harvest of Vein Using an Endoscope33508 | 30 | $15 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 25 | $1,659 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 2 Grafts33518 | 17 | $379 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $156 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 | $110 |
Typical Medicare-allowed amounts for these services range $15–$1,659 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,862 across 31 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
- 2018-09-04
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Siddharth Pahwa's NPI number?
- Siddharth Pahwa's National Provider Identifier (NPI) is 1003398207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siddharth Pahwa's specialty?
- Siddharth Pahwa is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Siddharth Pahwa located?
- Siddharth Pahwa's practice location on file with NPPES is 201 Abraham Flexner Way Ste 1200, Louisville, KY 40202-3841.
- What is Siddharth Pahwa's phone number?
- The practice phone number listed in the NPPES registry for Siddharth Pahwa is (502) 588-7600.
- Does Siddharth Pahwa accept Medicare?
- Siddharth Pahwa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siddharth Pahwa's NPI active?
- Yes — Siddharth Pahwa's NPI (1003398207) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.