Yazen Assaf, MD
NPI 1962938118 · Surgery Physician · Hobart, IN
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yazen Assaf, MD is a Surgery Physician provider in Hobart, IN (NPI 1962938118).
Provider details
- NPI number
- 1962938118
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD477153 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
239 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 37 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 32 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $147 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $77 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 25 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 54 | 54 |
| Pantoprazole Sodium | 16 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 15 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 15 | 12 |
| Neomycin Sulfate | 12 | 12 |
| Methylprednisolone Sod Succbrand: Methylprednisolone Sodium Succ | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,932 across 22 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
Additional practice locations (2)
- 2301 Holmes StreetKansas City, MO 64108Phone: (816) 404-4175
- 1220 Broadcasting Rd Ste 100Wyomissing, PA 19610-3221Phone: (484) 628-5673
Registry dates
- Enumerated
- 2017-05-10
- Last updated
- 2023-07-28
- Certified
- 2023-07-28
Frequently asked questions
- What is Yazen Assaf's NPI number?
- Yazen Assaf's National Provider Identifier (NPI) is 1962938118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yazen Assaf's specialty?
- Yazen Assaf is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Yazen Assaf located?
- Yazen Assaf's practice location on file with NPPES is 1400 S Lake Park Ave Ste 200, Hobart, IN 46342-6790.
- What is Yazen Assaf's phone number?
- The practice phone number listed in the NPPES registry for Yazen Assaf is (630) 656-8792.
- Does Yazen Assaf accept Medicare?
- Yazen Assaf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yazen Assaf's NPI active?
- Yes — Yazen Assaf's NPI (1962938118) is active in the NPPES registry as of the last update on 2023-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.