Rajitha Premaratne, M.D.
NPI 1497965594 · Rheumatology Physician · Lake Havasu City, AZ
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajitha Premaratne, M.D. is a Rheumatology Physician provider in Lake Havasu City, AZ (NPI 1497965594).
Provider details
- NPI number
- 1497965594
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 46348 (AZ)
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
19 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
4,059 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 | 1,686 | $124 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 748 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 489 | $88 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 288 | $60 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 190 | $161 |
| Injection of Additional New Drug Or Substance Into Vein96375 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 461 | 141 |
| Denosumabbrand: Prolia | 133 | 81 |
| Alendronate Sodium | 102 | 39 |
| Leflunomide | 85 | 28 |
| Hydroxychloroquine Sulfate | 82 | 34 |
| Prednisone | 75 | 29 |
| Allopurinol | 66 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 2 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
- 2007-05-23
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Frequently asked questions
- What is Rajitha Premaratne's NPI number?
- Rajitha Premaratne's National Provider Identifier (NPI) is 1497965594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajitha Premaratne's specialty?
- Rajitha Premaratne is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Rajitha Premaratne located?
- Rajitha Premaratne's practice location on file with NPPES is 2005 Injo Dr Ste 102, Lake Havasu City, AZ 86403-5874.
- What is Rajitha Premaratne's phone number?
- The practice phone number listed in the NPPES registry for Rajitha Premaratne is (928) 680-4255.
- Does Rajitha Premaratne accept Medicare?
- Rajitha Premaratne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajitha Premaratne's NPI active?
- Yes — Rajitha Premaratne's NPI (1497965594) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.