Patrick Ratnasamy, MD
NPI 1063403475 · Internal Medicine Physician · Lemoyne, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Ratnasamy, MD is a Internal Medicine Physician provider in Lemoyne, PA (NPI 1063403475).
Provider details
- NPI number
- 1063403475
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD064799L (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
20 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
2,850 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 | 538 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 394 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 295 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 270 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 212 | $16 |
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 470 | 113 |
| Levothyroxine Sodium | 264 | 70 |
| Rosuvastatin Calcium | 255 | 77 |
| Metoprolol Succinate | 251 | 71 |
| Pantoprazole Sodium | 250 | 88 |
| Amlodipine Besylate | 225 | 70 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,081 across 63 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
- 2005-11-03
- Last updated
- 2011-07-13
Frequently asked questions
- What is Patrick Ratnasamy's NPI number?
- Patrick Ratnasamy's National Provider Identifier (NPI) is 1063403475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Ratnasamy's specialty?
- Patrick Ratnasamy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Ratnasamy located?
- Patrick Ratnasamy's practice location on file with NPPES is 108 Lowther St, Lemoyne, PA 17043-2045.
- What is Patrick Ratnasamy's phone number?
- The practice phone number listed in the NPPES registry for Patrick Ratnasamy is (717) 774-1366.
- Does Patrick Ratnasamy accept Medicare?
- Patrick Ratnasamy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Ratnasamy's NPI active?
- Yes — Patrick Ratnasamy's NPI (1063403475) is active in the NPPES registry as of the last update on 2011-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.