Wassim Atassi
NPI 1871533927 · Internal Medicine Physician · Highland, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wassim Atassi is a Internal Medicine Physician provider in Highland, IN (NPI 1871533927).
Provider details
- NPI number
- 1871533927
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 01058603A (IN)
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
5,317 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,033 | $72 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 622 | $108 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 432 | $100 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 374 | $69 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 349 | $58 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 227 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,157 | 169 |
| Atorvastatin Calcium | 986 | 213 |
| Amlodipine Besylate | 622 | 170 |
| Alprazolam | 580 | 83 |
| Pantoprazole Sodium | 497 | 115 |
| Gabapentin | 464 | 102 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$161 across 9 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
- 2006-06-07
- Last updated
- 2021-03-17
- Certified
- 2021-03-17
Frequently asked questions
- What is Wassim Atassi's NPI number?
- Wassim Atassi's National Provider Identifier (NPI) is 1871533927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wassim Atassi's specialty?
- Wassim Atassi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wassim Atassi located?
- Wassim Atassi's practice location on file with NPPES is 9696 Gordon Dr, Highland, IN 46322-2909.
- What is Wassim Atassi's phone number?
- The practice phone number listed in the NPPES registry for Wassim Atassi is (219) 937-2511.
- Does Wassim Atassi accept Medicare?
- Wassim Atassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wassim Atassi's NPI active?
- Yes — Wassim Atassi's NPI (1871533927) is active in the NPPES registry as of the last update on 2021-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.