Champa Dassanayake, MD
NPI 1538148150 · Internal Medicine Physician · West Bloomfield, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Champa Dassanayake, MD is a Internal Medicine Physician provider in West Bloomfield, MI (NPI 1538148150).
Provider details
- NPI number
- 1538148150
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301064282 (MI)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
124 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 | 75 | $101 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 30 | $85 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $81 |
Typical Medicare-allowed amounts for these services range $81–$101 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 145 | 39 |
| Amlodipine Besylate | 105 | 33 |
| Rosuvastatin Calcium | 91 | 33 |
| Levothyroxine Sodium | 76 | 21 |
| Metoprolol Succinate | 75 | 21 |
| Losartan Potassium | 70 | 24 |
| Gabapentin |
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 (1)
- 17000 Hubbard DrDearborn, MI 48126-4258Phone: (313) 982-4351Fax: (313) 982-4370
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2025-08-05
- Certified
- 2025-08-05
Frequently asked questions
- What is Champa Dassanayake's NPI number?
- Champa Dassanayake's National Provider Identifier (NPI) is 1538148150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Champa Dassanayake's specialty?
- Champa Dassanayake is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Champa Dassanayake located?
- Champa Dassanayake's practice location on file with NPPES is 6900 Orchard Lake Rd Ste 101, West Bloomfield, MI 48322-3424.
- What is Champa Dassanayake's phone number?
- The practice phone number listed in the NPPES registry for Champa Dassanayake is (248) 855-7565.
- Does Champa Dassanayake accept Medicare?
- Champa Dassanayake is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Champa Dassanayake's NPI active?
- Yes — Champa Dassanayake's NPI (1538148150) is active in the NPPES registry as of the last update on 2025-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.